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Parts › PartFinder › Tennant T17 › Operator manual
Form 4021237, Rev. 12 (11-2025)
Tennant · Ride-on floor scrubber

Tennant T17 Operator Manual

4021237 Rev. 12 (11-2025)123 pagesT17 battery-powered rider scrubber, North America / International; standard-panel and Pro-Panel machines, lead-acid and lithium-ion battery models, with ec-H2O and ES options
Before first use: charge the batteries overnight before you run the machine the first time.
Free to read, no account neededEvery page has its own linkPart numbers link to the part
COVER

T17 (Battery) rider scrubber

Rider Scrubber Operator Manual. North America / International. Document 4021237, Rev. 12 (11-2025).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​‌​​​‌​‍⁠⁠‌‌‍‌⁠‍‍​‌‍​⁠​⁠​‌​​‍⁠‍‌‌​

Line drawing of the Tennant T17 battery rider scrubber seen from the front left, with operator seat and steering wheel
Tennant T17

ES® Extended Scrub System
TennantTrue® Parts
IRIS® a Tennant Technology
Insta-Fit™ Adapter
ec-H2O® An ORBIO™ Technology
Powered by Lithium-Ion

For the latest parts manuals and other language Operator manuals, visit: www.tennantco.com/manuals

4021237
Rev. 12 (11-2025)

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 1, used with permission. SES ref PF-L2Q7-7QKK‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​‌​​​‌​‍⁠⁠‌‌‍‌⁠‍‍​‌‍​⁠​⁠​‌​​‍⁠‍‌‌​
Tennant T17 (11-2025)Page 1 of 123
INTRODUCTION

Introduction

In shortThe T17 is an indoor rider scrubber for hard floors. It is not for soil, grass, artificial turf, carpet or public roadways. For parts or service, call us at 800-440-6723.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​‍​​​‌​‍⁠⁠​​‍‍⁠⁠⁠​⁠‌‍‍‍​⁠⁠​‌⁠⁠‍‌​‌

This manual is furnished with each new model. It provides necessary operation and maintenance instructions.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​‍​​​‌​‍⁠⁠​​‍‍⁠⁠⁠​⁠‌‍‍‍​⁠⁠​‌⁠⁠‍‌​‌

Read this manual completely and understand the machine before operating or servicing it.

This machine will provide excellent service. However, the best results will be obtained at minimum costs if:

• The machine is operated with reasonable care.
• The machine is maintained regularly - per the machine maintenance instructions provided.
• The machine is maintained with manufacturer supplied or equivalent parts.

Protect the environment

Please dispose of packaging materials, used components such as batteries and fluids in an environmentally safe way according to local waste disposal regulations.

Always remember to recycle.

Machine data

Please fill out at time of installation for future reference.

Model No. -
Serial No. -
Installation Date -

Intended use

The T17 is an industrial/commercial rider machine designed to wet scrub both rough and smooth hard surfaces (concrete, tile, stone, synthetic, etc). Typical applications include schools, hospitals / health care facilities, office buildings, and retail centers. Do not use this machine on soil, grass, artificial turf, or carpeted surfaces. This machine is intended for indoor use only. This machine is not intended for use on public roadways. Do not use this machine other than described in this Operator Manual.

Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: (800) 553-8033
www.tennantco.com

Touch-N-Go, 1-Step, Dura-Track, SmartRelease, Duramer, Insta-Fit are trademarks of Tennant Company.

Specifications and parts are subject to change without notice.

Original Instructions, copyright © 2014-2020, 2025 TENNANT Company, Printed in U.S.A.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 2, used with permission. SES ref PF-4SOI-7VNL‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​‍​​​‌​‍⁠⁠​​‍‍⁠⁠⁠​⁠‌‍‍‍​⁠⁠​‌⁠⁠‍‌​‌
Tennant T17 (11-2025)Page 2 of 123
CONTENTS

Contents

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 3, used with permission. SES ref PF-GNXP-N5IZ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​​⁠​​​‌​‍⁠⁠⁠⁠‍⁠‍‌‌‌⁠​⁠‌⁠‍⁠‍​​​‌⁠‍​‌
Tennant T17 (11-2025)Page 3 of 123
CONTENTS

Contents

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 4, used with permission. SES ref PF-7TYH-JVR6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌​​​​‌​‍⁠⁠⁠‌​​​‍​⁠​​​​⁠​⁠‍‌‌​‌‌​⁠​
Tennant T17 (11-2025)Page 4 of 123
CONTENTS

Contents

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 5, used with permission. SES ref PF-RIVF-TFV6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌‌​​​‌​‍⁠⁠‌‍‌​⁠‍⁠‍‌​‌⁠‌‌‌‌‌‍⁠⁠⁠‌‌‌
Tennant T17 (11-2025)Page 5 of 123
SAFETY

Important safety instructions - save these instructions

In shortRead this safety chapter before running or servicing the T17. Only trained, authorized people should operate it, and it is for indoor use only. Park on a level surface, set the parking brake, turn the machine off and remove the key before leaving it or servicing it.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌‍​​​‌​‍⁠⁠⁠⁠‌‍‍‍‌‌‌​‍⁠‍⁠‌⁠​‌‍​‍​⁠⁠

The following precautions are used throughout this manual as indicated in their description:‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌‍​​​‌​‍⁠⁠⁠⁠‌‍‍‍‌‌‌​‍⁠‍⁠‌⁠​‌‍​‍​⁠⁠

WARNING: To warn of hazards or unsafe practices that could result in severe personal injury or death.
FOR SAFETY: To identify actions that must be followed for safe operation of equipment.

The following information signals potentially dangerous conditions to the operator. Know when these conditions can exist. Locate all safety devices on the machine. Report machine damage or faulty operation immediately.

WARNING: Lead-acid batteries emit hydrogen gas. Explosion or fire can result. Keep sparks and open flame away. Keep covers open when charging.
WARNING: Flammable materials can cause an explosion or fire. Do not use flammable materials in tank(s).
WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.
WARNING: Heavy object. Back injury could result from improper lifting. Use hoist when removing.
WARNING: Do not spray people or animals. Severe personal injury can result. Wear eye protection. Hold sprayer with two hands.
WARNING: Electrical Hazard
• Disconnect Battery Cables and Charger Plug Before Servicing Machine.
• Do Not Charge Batteries with Damaged Power Supply Cord. Do Not Modify Plug.

If the charger supply cord is damaged or broken, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard.

This machine may be equipped with technology that automatically communicates over the cellular network. If this machine will be operated where cell phone use is restricted because of concerns related to equipment interference, please contact a Tennant representative for information on how to disable the cellular communication functionality.

FOR SAFETY:
1. Do not operate machine:
• Unless trained and authorized.
• Unless operator manual is read and understood.
• Under the influence of alcohol or drugs.
• While using a cell phone or other types of electronic devices.
• Unless mentally and physically capable of following machine instructions.
• With brake disabled.
• If it is not in proper operating condition.
• With pads or accessories not supplied or approved by Tennant. The use of other pads may impair safety.
• In outdoor areas. This machine is for indoor use only.
• In areas where flammable vapors/liquids or combustible dusts are present.
• In areas that are too dark to safely see the controls or operate the machine unless operating / headlights are turned on.
• In areas with possible falling objects unless equipped with overhead guard.
• With the rear bumper door / step in the lowered position.
• Do not access the video / help screens while the machine is moving. (Pro-Panel)
2. Before starting machine:
• Check machine for fluid leaks.
• Make sure all safety devices are in place and operate properly.
• Check brakes and steering for proper operation.
• Check parking brake pedal for proper operation.
• Adjust seat and fasten seat belt (if equipped).
3. When using machine:
• Use only as described in this manual.
• Use brakes to stop machine.
• Go slowly on inclines and slippery surfaces.
• Base machine: Do not scrub on ramp inclines that exceed 8.7% / 5° grade or transport (GVWR) on ramp inclines that exceed 12% / 7° grade.
• Machine with ramp kit: Do not scrub on ramp inclines that exceed 10.5% / 6° grade or transport (GVWR) on ramp inclines that exceed 14.8% / 8.5° grade.
• Reduce speed when turning.
• Keep all parts of body inside operator station while machine is moving.
• Always be aware of surroundings while operating machine.
• Use care when reversing machine.
• Keep children and unauthorized persons away from machine.
• Do not carry passengers on any part of the machine.
• Always follow safety and traffic rules.
• Report machine damage or faulty operation immediately.
• Follow mixing, handling and disposal instructions on chemical containers.
• Follow site safety guidelines concerning backup alarms.
• Follow site safety guidelines concerning wet floors.
• Do not leave machine unattended when filling solution tank with auto-fill feature.
• Park machine on level surface when filling solution tank with auto-fill feature.
4. Before leaving or servicing machine:
• Stop on level surface.
• Set parking brake.
• Turn off machine and remove key.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 6, used with permission. SES ref PF-6PGP-6DAT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌‍​​​‌​‍⁠⁠⁠⁠‌‍‍‍‌‌‌​‍⁠‍⁠‌⁠​‌‍​‍​⁠⁠
Tennant T17 (11-2025)Page 6 of 123
SAFETY
FOR SAFETY:
5. When servicing machine:
• All work must be done with sufficient lighting and visibility.
• Keep work area well ventilated.
• Avoid moving parts. Do not wear loose clothing, jewelry and secure long hair.
• Block machine tires before jacking machine up.
• Jack machine up at designated locations only. Support machine with jack stands.
• Use hoist or jack that will support the weight of the machine.
• Do not push or tow the machine without an operator in the seat controlling the machine.
• Do not push or tow the machine on inclines with the brake disabled.
• Do not power spray or hose off machine near electrical components.
• Disconnect battery connections and charger cord before working on machine.
• Do not pull on battery charger cord to unplug. Grasp plug at outlet and pull.
• Do not use incompatible battery chargers as this may damage battery packs and potentially cause a fire.
• Inspect charger cord regularly for damage.
• Do not disconnect the off-board charger's DC cord from the machine receptacle when the charger is operating. Arcing may result.
• If the charger must be interrupted during charging, disconnect the AC power supply cord first or turn off power if equipped.
• Avoid contact with battery acid.
• Keep all metal objects off batteries.
• Use a non-conductive battery removal device.
• Use a hoist and adequate assistance when lifting batteries.
• Battery installation must be done by trained personnel.
• Follow site safety guidelines concerning battery removal.
• All repairs must be performed by a trained service mechanic.
• Do not modify the machine from its original design.
• Use Tennant supplied or approved replacement parts.
• Wear personal protective equipment as needed and where recommended in this manual.
For Safety: wear hearing protection.
For Safety: wear protective gloves.
For Safety: wear eye protection.
For Safety: wear protective dust mask.
FOR SAFETY:
6. When loading/unloading machine onto/off truck or trailer:
• Use ramp, truck or trailer that will support the weight of the machine and operator.
• Drain tanks before loading machine.
• Do not drive on slippery ramp.
• Use caution when driving on ramp.
• Do not load/unload on ramp inclines that exceed 21% / 12° grade.
• Lower scrub head and squeegee before tying down machine.
• Stop on a level surface, set parking brake and leave the key in the ON position until all tie-down straps are secure.
• Block machine tires.
• Tie machine down to truck or trailer.
7. When using Lithium-ion Battery Model:
• Battery service to be performed by Tennant Service only.
• Do not attempt to lift battery by hand or by any other unauthorized method.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 7, used with permission. SES ref PF-GHHG-BYHT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‌⁠​​​‌​‍⁠⁠‍⁠​‍‌‍⁠​⁠​‍‌‌​⁠⁠‍⁠‌⁠‌‍⁠‍
Tennant T17 (11-2025)Page 7 of 123
SAFETY
• Battery pack is designed exclusively for specific Tennant machine applications. Do not install battery pack in unapproved machines.
• Dispose of battery in accordance with local regulations. Contact Tennant Service.
• Contact battery manufacture for disposal of battery (for machines serial number 0016063 and above).
• Do not disconnect the machine battery cable to charge Triathon lithium-ion batteries (machine serial number 0016063 and above). Use only the designated charge connector for charging.
• Contact Tennant Service or your local regulatory authorities for proper transporting instructions of lithium-ion batteries.
• Disconnect battery cable connector, battery management system (BMS) connector and charger cord before working on machine.
• Use only OEM approved battery charger supplied with lithium-ion battery.
• Do not expose battery to temperatures below -22°F (-30°C), above 140°F (60°C) (for machine serial number 0016062 and below).
• Do not expose battery to temperatures below 32°F (0°C), above 104°F (40°C) (for machines serial number 0016063 and above).
• Do not use machine immediately after longterm extreme temperature storage. Before use, return battery module temperature range to 50°F (10°C)~95°F (35°C).
• Do not operate or store battery in hazardous environment (electrically charged, humidity, extreme temperatures and magnetic fields).
• Do not expose battery to flame or plasma.
• Do not disassemble or mistreat battery. Do not tear seal tape or will void warranty.
• Do not drop, crush or subject battery to impact, as it may cause battery to heat up or catch fire.
• Do not put battery in fire or water to avoid battery explosion.
• Do not touch battery with wet hand, avoid electric shock.
• Stop using or charging the battery immediately if battery has abnormal temperature, leakage or other abnormal conditions.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 8, used with permission. SES ref PF-IIQS-IPAW‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍​​​​‌​‍⁠⁠⁠​⁠‌⁠​⁠⁠⁠⁠‍‍‌‌‌‍‍⁠​​⁠‍​‍
Tennant T17 (11-2025)Page 8 of 123
SAFETY

Safety labels

In shortWarning labels are on the battery compartment, tanks, electrical panel and rear bumper door / step. Replace any that are damaged. Locations are listed on page 10 and page 11.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍‌​​​‌​‍⁠⁠‌​​‍‌‌⁠‍‌⁠‌​‍​⁠​​⁠​‌​​⁠‌

The safety labels appear on the machine in the locations indicated. Replace damaged labels.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍‌​​​‌​‍⁠⁠‌​​‍‌‌⁠‍‌⁠‌​‍​⁠​​⁠​‌​​⁠‌

Machine drawing with arrows from labels A to F to their locations: A battery hydrogen gas warning, B flammable materials in tank warning, C flammable or reactive metals warning, D authorized service mechanic only, E read manual before operating, F no operating with rear bumper door lowered or carrying passengers
Safety label locations, labels A to F
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 9, used with permission. SES ref PF-E3QK-4QQD‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍‌​​​‌​‍⁠⁠‌​​‍‌‌⁠‍‌⁠‌​‍​⁠​​⁠​‌​​⁠‌
Tennant T17 (11-2025)Page 9 of 123
SAFETY

Safety labels A to F

LabelDescriptionLocation
AWARNING LABEL - Batteries emit hydrogen gas. Explosion or fire can result. Keep sparks and open flame away. Keep covers open when charging.Located on the bottom of the battery compartment cover.
BWARNING LABEL - Flammable materials can cause explosion or fire. Do not use flammable materials in tank.Located on solution tank cover and on detergent tank (option).
CWARNING LABEL - Flammable materials or reactive metals can cause explosion or fire. Do not pick up.Located on electrical panel.
DWARNING LABEL - Authorized service mechanic only.Located on the circuit board cover and electrical panel.
EWARNING LABEL - Read manual before operating machine.Located on the electrical panel.
FWARNING LABEL - Do not operate machine with rear bumper door / step in the lowered position. Do not carry passengers on any part of the machine.Located on the rear bumper door / step.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 10, used with permission. SES ref PF-EMSR-YWCN‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍‍​​​‌​‍⁠⁠‍‍⁠‌​‍⁠‌‍‌​​​‍⁠⁠‍‌‍‌⁠‌‍⁠
Tennant T17 (11-2025)Page 10 of 123
SAFETY
Top of the machine with arrows from label A (heavy object, under the high pressure washer cover), label B (do not spray people or animals, on the high pressure washer cover) and label C (lithium battery caution label on top of the battery pack)
Safety labels A to C, part 356408
LabelDescriptionLocation
AWARNING LABEL - Heavy object. Back injury could result from improper lifting. Use hoist when removing.Located under high pressure washer cover.
BWARNING LABEL - Do not spray people or animals. Severe personal injury can result. Wear eye protection. Hold sprayer with two hands.Located on high pressure washer cover.
CLITHIUM BATTERY CAUTION LABEL (machines serial number 0016062 and below.)Located on top of battery pack.

Corrected an obvious misprint: "Do not spry people or animals" printed as "spry" (now "spray", as on page 6).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍⁠​​​‌​‍⁠⁠‌‍‍​​⁠​⁠​⁠‌‌‌⁠⁠‍⁠‍‍‍‍⁠⁠‌

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 11, used with permission. SES ref PF-YWO4-OVX4‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​‍⁠​​​‌​‍⁠⁠‌‍‍​​⁠​⁠​⁠‌‌‌⁠⁠‍⁠‍‍‍‍⁠⁠‌
Tennant T17 (11-2025)Page 11 of 123
OPERATION

Operation

This chapter covers machine components, controls, brushes and pads, filling the tanks, scrubbing, draining and cleaning the tanks, fault codes, options and troubleshooting.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠​​​​‌​‍⁠⁠‌‍‌‍​​‍⁠‍‌‍⁠‌‍⁠‌​​‌‌‌​​‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 12, used with permission. SES ref PF-VEIT-U3BI‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠​​​​‌​‍⁠⁠‌‍‌‍​​‍⁠‍‌‍⁠‌‍⁠‌​​‌‌‌​​‍
Tennant T17 (11-2025)Page 12 of 123
OPERATION

Machine components

In shortThese drawings identify every major part of the T17 by letter, from the tanks and squeegee to the control panel and options. The letter key is on page 14.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠‌​​​‌​‍⁠⁠‌⁠‍‌‍⁠‌​‍​‌‌‍⁠‌​‍⁠‌⁠​​​‌
Four views of the T17 with lettered callouts A to Y pointing to the tanks, covers, hoses, squeegee, scrub head, seat, steering wheel, control panel, overhead guard, pre-sweep, high pressure washer and live wand
Machine components, part 356408
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 13, used with permission. SES ref PF-H6N4-N2FY‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠‌​​​‌​‍⁠⁠‌⁠‍‌‍⁠‌​‍​‌‌‍⁠‌​‍⁠‌⁠​​​‌
Tennant T17 (11-2025)Page 13 of 123
OPERATION

Machine components key

A. Recovery tank
B. Recovery tank cover
C. Battery compartment cover
D. Solution tank cover
E. Solution tank
F. Left shroud
G. Solution tank drain hose
H. Recovery tank drain hose
I. Vacuum hose
J. Rear squeegee
K. Rear bumper door / step
L. Steering wheel
M. Standard control panel / Pro-Panel
N. Operator seat
O. Control / instrument panels
P. Side squeegee
Q. Scrub head
R. Main brush door
S. Right shroud
T. ec-H2O System Module compartment (Option) - located behind right shroud
U. Overhead guard (Option)
V. Backup alarm / flashing light (Option)
W. Pre-Sweep (Option)
X. High pressure washer (Option)
Y. Live wand dry vacuum (Option)‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠‍​​​‌​‍⁠⁠‌‌⁠‌⁠​⁠⁠‍‍​‌‍‌⁠‍​​‍‌⁠​‌‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 14, used with permission. SES ref PF-UPTB-2ZBZ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠‍​​​‌​‍⁠⁠‌‌⁠‌⁠​⁠⁠‍‍​‌‍‌⁠‍​​‍‌⁠​‌‍
Tennant T17 (11-2025)Page 14 of 123
OPERATION

Controls and instruments

In shortThe T17 has either a standard touch panel or a Pro-Panel. The pictures show where the steering wheel, pedals, key switch, directional switch, emergency shut-off and option switches are. Letter key on page 16.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠⁠​​​‌​‍⁠⁠‍​⁠​‌‌​⁠​​⁠⁠​‌‍​​⁠‍⁠‍​‍‍
Operator station with lettered callouts A to F for the steering wheel, standard touch panel, Pro-Panel and pedals, and enlarged switch groups for the standard control panel (S/N 000000-012999), the standard control panel (S/N 013000 and up) and the Pro-Panel
Controls and instruments
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 15, used with permission. SES ref PF-6TLB-BOTS‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​​⁠⁠​​​‌​‍⁠⁠‍​⁠​‌‌​⁠​​⁠⁠​‌‍​​⁠‍⁠‍​‍‍
Tennant T17 (11-2025)Page 15 of 123
OPERATION

Controls and instruments key

A. Steering wheel
B. Standard Touch panel
C. Pro-panel
D. Parking brake pedal
E. Brake pedal
F. Propel pedal‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​​​​​‌​‍⁠⁠‌​​‍‍‍​‍⁠‌​​‌‌​‍‍⁠‍‌‍​​​

Standard Control Panel (S/N 000000-012999)

G. Spray nozzle switch (option)
H. Scrubbing side brush switch (option) / Sweeping side brush switch (option) / Pre-Sweep switch (option)
I. Severe environment switch (option) or Detergent metering switch (option)
J. Operating lights / hazard lights switch (option)
K. Key switch
L. Directional switch
M. Emergency shut-off button

Standard Control Panel (S/N 013000- )

N. Severe environment switch
O. Pre-Sweep switch (option)
P. Operating lights / hazard lights switch (option)
Q. Spray nozzle switch (option) / High pressure washer switch (option)
R. Key switch
S. Directional switch
T. Emergency shut-off button

Pro-Panel

U. Operating lights / hazard lights switch (option)
V. Spray nozzle switch (option) / High pressure washer switch (option)
W. Key switch
X. Directional switch
Y. Emergency shut-off button

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 16, used with permission. SES ref PF-PO4I-MBEY‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​​​​​‌​‍⁠⁠‌​​‍‍‍​‍⁠‌​​‌‌​‍‍⁠‍‌‍​​​
Tennant T17 (11-2025)Page 16 of 123
OPERATION

Standard touch panel

In shortThis is the standard panel layout, with the key to the letters below the picture and on page 18. The smaller photo shows the display for S/N 000000-012999.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​‌​​​‌​‍⁠⁠‌​⁠​​⁠⁠‌⁠‌‍​​‌‌​‍‌‌‍‍‍‍‍
Standard touch panel with lettered callouts A to V for the horn, fault indicator, display, brush pressure, 1-STEP, ec-H2O / ES, scrubbing buttons, solution on / off, solution flow and USB port, plus a photo of the display for S/N 000000-012999
Standard touch panel (S/N 000000-012999 display shown at lower left)

A. Horn
B. Fault / Alert indicator light
C. Contrast control button
D. Battery discharge indicator
E. Hour meter
F. Solution tank indicator
G. Recovery tank full indicator
H. Configuration mode button‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​‌​​​‌​‍⁠⁠‌​⁠​​⁠⁠‌⁠‌‍​​‌‌​‍‌‌‍‍‍‍‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 17, used with permission. SES ref PF-GZEL-V4V3‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​‌​​​‌​‍⁠⁠‌​⁠​​⁠⁠‌⁠‌‍​​‌‌​‍‌‌‍‍‍‍‍
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I. LCD display
J. Brush pressure button
K. Brush pressure indicator lights
L. 1-STEP button
M. ec-H2O / ES (Extended Scrub / (Option)
N. Scrubbing main brush button
O. Scrubbing vacuum fan / squeegee button
P. Scrubbing side brush (Option)
Q. Solution on / off buttons
R. Solution flow decrease button (-)
S. Solution flow indicator lights
T. Solution flow increase button (+)
U. USB port (Service only)
V. Cloud connectivity indicator (Telemetry option)‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​‍​​​‌​‍⁠⁠‌‌​⁠‍‌⁠‌‍​⁠⁠‌‍‍‌​⁠‌⁠⁠‌‍‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 18, used with permission. SES ref PF-XKF4-SHFK‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​‍​​​‌​‍⁠⁠‌‌​⁠‍‌⁠‌‍​⁠⁠‌‍‍‌​⁠‌⁠⁠‌‍‍
Tennant T17 (11-2025)Page 18 of 123
OPERATION

Pro-Panel controls

In shortThe Pro-Panel is a color touch screen. Letters A to AD in the picture are keyed on page 20, including the four screen button layouts for different machine setups.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​⁠​​​‌​‍⁠⁠‌​⁠‌⁠⁠‌⁠⁠‍‌​​​⁠‌​​‌​‍​⁠‌
Pro-Panel touch screen with lettered callouts A to R, and below it four variants of the scrubbing button group labeled S to AD for pre-sweep, sweeping side brush, scrubbing only and scrubbing side brush machines
Pro-Panel controls
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 19, used with permission. SES ref PF-MBNR-F7VQ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌​⁠​​​‌​‍⁠⁠‌​⁠‌⁠⁠‌⁠⁠‍‌​​​⁠‌​​‌​‍​⁠‌
Tennant T17 (11-2025)Page 19 of 123
OPERATION

Pro-Panel controls key

A. Horn
B. Fault / Alert indicator light
C. ec-H2O / ES (Extended Scrub / (Option)
D. Severe environment button (Option) or Detergent metering button (Option)
E. Machine status button
F. Help button
G. Main brush pressure access button
H. Rearview camera button
I. Solution control access button
J. 1-STEP button
K. Video help
L. Zone control 1 button
M. Zone control 2 button
N. Zone control 3 button
O. Zone control 4 button
P. Solution on / off buttons
Q. USB ports (Service only)
R. Cloud connectivity indicator (Telemetry option)‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌​​​​‌​‍⁠⁠‍‍‍⁠​⁠‍‍​⁠‌​​​‌‌⁠‌‍⁠​‍⁠​

Scrubbing and pre-sweep (Option)
S. Pre-sweep main brush button

T. Pre-sweep vacuum fan button
U. Scrubbing main brush button
V. Scrubbing vacuum fan / squeegee button

Scrubbing and sweeping side brush (Option)
W. Sweeping side brush button
X. Scrubbing main brush button
Y. Scrubbing vacuum fan / squeegee button

Scrubbing only
Z. Scrubbing vacuum fan / squeegee button
AA. Scrubbing main brush button

Scrubbing and scrubbing side brush (Option)
AB. Scrubbing side brush button
AC. Scrubbing vacuum fan / squeegee button
AD. Scrubbing main brush button

Symbol definitions

These symbols are used on the machine to identify controls, displays, and features.

SymbolMeaning
Horn symbolHorn
Fault / Alert indicator symbolFault / Alert indicator
Forward / Reverse symbolForward / Reverse
Circuit breaker symbolCircuit breaker
Main brush pressure symbolMain brush pressure
1-STEP symbol1-STEP
ES (Extended Scrub) (Option) symbolES (Extended Scrub) (Option)
Solution decrease (-) symbolSolution decrease (-)
Solution increase (+) symbolSolution increase (+)
Solution flow symbolSolution flow
Solution On / Off symbolSolution On / Off
On symbolOn
Off symbolOff
Emergency shut-off symbolEmergency shut-off
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 20, used with permission. SES ref PF-CJKE-SSSO‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌​​​​‌​‍⁠⁠‍‍‍⁠​⁠‍‍​⁠‌​​​‌‌⁠‌‍⁠​‍⁠​
Tennant T17 (11-2025)Page 20 of 123
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Symbol definitions (continued)

SymbolMeaning
Scrub mode symbolScrub mode
ec-H2O (Option) symbolec-H2O (Option)
Operating lights / Hazard light symbolOperating lights / Hazard light
Headlights symbolHeadlights
Scrubbing side brush symbolScrubbing side brush
Battery charge symbolBattery charge
Contrast control symbolContrast control
Configuration mode symbolConfiguration mode
Spray nozzle (Option) / High pressure washer (Option) symbolSpray nozzle (Option) / High pressure washer (Option)
Severe environment (Option) or Detergent metering (Option) symbolSevere environment (Option) or Detergent metering (Option)
Hour meter symbolHour meter
Scrubbing main brush symbolScrubbing main brush
Scrubbing vacuum fan / squeegee symbolScrubbing vacuum fan / squeegee
Emergency shut-off symbolEmergency shut-off
Jack point symbolJack point
Cloud connectivity (Telemetry option) symbolCloud connectivity (Telemetry option)

Standard panel symbols

SymbolMeaning
Recovery tank symbolRecovery tank
Solution tank symbolSolution tank
Brush pressure (minimum / maximum) symbolBrush pressure (minimum / maximum)
Side brush (option) symbolSide brush (option)
Contrast control symbolContrast control
Configuration mode symbolConfiguration mode
Solution flow (minimum / maximum) symbolSolution flow (minimum / maximum)

Pro-Panel symbols

SymbolMeaning
Zone setting 1 symbolZone setting 1
Help symbolHelp
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 21, used with permission. SES ref PF-UM6A-54CP‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌‌​​​‌​‍⁠⁠‌‍‍⁠‍‌​‍⁠⁠⁠​‍⁠‌⁠⁠‍⁠​‌​‌‍
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OPERATION

Pro-Panel symbols (continued)

SymbolMeaning
Zone setting 2 symbolZone setting 2
Zone setting 3 symbolZone setting 3
Zone setting 4 symbolZone setting 4
Hour meter symbolHour meter
Login symbolLogin
Select symbolSelect
Rotate machine view symbolRotate machine view
Camera settings symbolCamera settings
Control help symbolControl help
About symbolAbout
Backspace symbolBackspace
Rearview camera symbolRearview camera
Up arrow symbolUp arrow
Alert / Fault symbolAlert / Fault
Enter symbolEnter
Checklist item unconfirmed symbolChecklist item unconfirmed
Checklist item confirmed symbolChecklist item confirmed
Logout symbolLogout
Supervisor settings symbolSupervisor settings
Supervisor menu symbolSupervisor menu
Start-up video symbolStart-up video
Video help symbolVideo help
Video button symbolVideo button
Video list button symbolVideo list button
Home (main operating screen) symbolHome (main operating screen)
Down arrow symbolDown arrow
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 22, used with permission. SES ref PF-IIM5-OHAE‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌‍​​​‌​‍⁠⁠‌⁠⁠​‌‍‌⁠⁠​‍⁠⁠‍⁠⁠⁠⁠⁠‍‌​⁠​
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OPERATION

Pro-Panel symbols (continued)

SymbolMeaning
Disable login symbolDisable login
Add / Edit profiles symbolAdd / Edit profiles
Operator symbolOperator
Supervisor symbolSupervisor
Edit profile symbolEdit profile
Add profile symbolAdd profile
Delete profile symbolDelete profile
Copy profile symbolCopy profile
Date / Time set symbolDate / Time set
Back arrow symbolBack arrow
Enable login symbolEnable login
Calibrate touch symbolCalibrate touch
Checklist setup symbolChecklist setup
Export all symbolExport all
Export new symbolExport new
Export checklists symbolExport checklists
Screen lock symbolScreen lock

Operation of controls - standard panel

In shortThis section explains each control and display on the standard panel: battery, hour meter, tank indicators, 1-STEP, brush and squeegee buttons, and the solution on / off button. Recharge the batteries when only one bar is left.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌⁠​​​‌​‍⁠⁠​​‌‌‍‌‌‍‍⁠‌⁠​⁠⁠​‍⁠⁠​​‌⁠⁠

Battery discharge indicator

The Battery discharge indicator displays the charge level of the batteries while the machine is operating.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌⁠​​​‌​‍⁠⁠​​‌‌‍‌‌‍‍⁠‌⁠​⁠⁠​‍⁠⁠​​‌⁠⁠

Two standard panel displays with arrows pointing to the battery discharge bars
Battery discharge indicator on the two display types
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 23, used with permission. SES ref PF-Y3VN-QUR3‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‌⁠​​​‌​‍⁠⁠​​‌‌‍‌‌‍‍⁠‌⁠​⁠⁠​‍⁠⁠​​‌⁠⁠
Tennant T17 (11-2025)Page 23 of 123
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When the batteries are fully charged, all five bars are lit. Recharge the batteries when there is only one bar shown in the display. Do not allow the batteries to discharge below 20% (last bar).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍​​​​‌​‍⁠⁠⁠⁠​‍​‌‌⁠‍‌‌‌​‍⁠​⁠‍‌⁠‍​⁠⁠

Note: The reading on the battery discharge indicator is not accurate when the machine is first powered on. Operate the machine a few minutes before reading the charge level of the batteries.

Note: The flashing Warning / fault indicator and battery low fault in the LCD (liquid crystal display) will not reset until after the batteries have been fully charged. See Fault indicators.

Note: Machines equipped with the fuel cell option will have the display on the fuel cell pendant.

Note: Lithium-ion battery model - Do not store the machine for an extended period if battery is discharged to the last bar, the battery may further discharge to a level that is unrecoverable.

Hour meter

The Hour meter records the hours the machine was operated. Use this information to determine machine service intervals.

Standard panel displays with arrows pointing at the hour meter reading
Hour meter

Recovery tank full indicator

The Recovery tank full indicator displays FULL when the recovery tank is full. All scrubbing functions will stop when the recovery tank is full. Empty the recovery tank when the indicator displays FULL.

Standard panel displays with arrows pointing at FULL and the recovery tank indicator
Recovery tank full indicator

Solution tank indicator

The solution tank indicator displays the amount of liquid in the solution tank. Refill the solution tank when there are no longer any bars shown in the display. The machine will stop scrubbing when the solution tank is empty.

Standard panel displays with arrows pointing at the solution tank indicator
Solution tank indicator
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 24, used with permission. SES ref PF-U22W-S3ON‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍​​​​‌​‍⁠⁠⁠⁠​‍​‌‌⁠‍‌‌‌​‍⁠​⁠‍‌⁠‍​⁠⁠
Tennant T17 (11-2025)Page 24 of 123
OPERATION

Contrast control button

Use the Contrast control button to darken / lighten the LCD display.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍‌​​​‌​‍⁠⁠‌‌⁠‌​‌‍​‌‌‍‌‌​​​⁠​‌‌⁠‌‍​

Standard panel displays with an arrow pointing at the contrast control button
Contrast control button

Configuration mode button

The Configuration mode button is for accessing the configuration and diagnostic modes. Only properly trained service personnel and TENNANT representatives should access these modes.

Standard panel displays with a red prohibition circle over the configuration mode button
Configuration mode button: service personnel only

1-STEP button

Press the 1-STEP button to activate all selected sweeping and scrubbing functions. Prior to the 1-STEP button being pushed, the lights above all the selected sweeping / scrubbing functions will be on but the selected functions will be in the standby mode until the 1-STEP button is pressed. Press the 1-STEP button again when finished cleaning to stop all scrubbing and sweeping functions.

NOTE: The squeegee will remain down and the vacuum fan will remain on for a few seconds to pick up remaining water after the 1-STEP button is deactivated.

The indicator light above the button will illuminate when the 1-STEP button is activated.

Close view of the 1-STEP button with arrows pointing at the button and the indicator light above it
1-STEP button and indicator light

Side brush button (option)

The side brush button controls the sweeping or scrubbing side brush option.

Turn on the side brush: Press the side brush button. The indicator light will illuminate.

Turn off the side brush: Press the side brush button. The indicator light will turn off.

NOTE: The side brushes cannot operate independently from the main sweep brushes. The main sweep brushes also come on when the side brush button is pushed.

Side brush switch on the older panel and the side brush button with its indicator light on the touch panel
Side brush button

Vacuum fans / squeegee button

Lower squeegee and turn vacuum fans on: Press the Vacuum fans / squeegee button. The indicator light will illuminate when the squeegee is lowered.

Raise squeegee and turn vacuum fans off: Press the Vacuum fans / squeegee button. The indicator light will go out when the squeegee is raised.

NOTE: The 1-STEP button does not need to be activated to operate the vacuum fans / squeegee system. The vacuum fans / squeegee button can be turned on or turned off with the 1-STEP button either on or off.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 25, used with permission. SES ref PF-NQDK-4N22‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍‌​​​‌​‍⁠⁠‌‌⁠‌​‌‍​‌‌‍‌‌​​​⁠​‌‌⁠‌‍​
Tennant T17 (11-2025)Page 25 of 123
OPERATION
Vacuum fans / squeegee button with arrows pointing at its indicator light and the button, on two panel types
Vacuum fans / squeegee button

Scrubbing main brush button

Turn on the scrubbing main brush: Press the scrubbing main brush button. The indicator light will illuminate.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍‍​​​‌​‍⁠⁠​⁠⁠⁠‍​‍‍⁠⁠‌⁠⁠​‍‌⁠‍​‍​⁠​‍

Turn off the scrubbing main brush: Press the scrubbing main brush button. The indicator light will turn off.

NOTE: The scrubbing main brush will turn on for machines not equipped with the scrubbing main brush button when the 1-STEP button is pressed.

Close view of the scrubbing main brush button with arrows pointing at its indicator light and at the button
Scrubbing main brush button

Solution on / off button

The solution flow is designed to stay on whenever the scrub brushes are on. It can be turned off for ten seconds with the solution on / off button to go around corners, etc. See also Setting the solution flow section.

Shut off the solution flow (for 10 seconds): Press the solution on / off button. All the solution flow indicators will turn off. (The solution flow will automatically restart at the end of the 10 second delay).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 26, used with permission. SES ref PF-4F37-4DE6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍‍​​​‌​‍⁠⁠​⁠⁠⁠‍​‍‍⁠⁠‌⁠⁠​‍‌⁠‍​‍​⁠​‍
Tennant T17 (11-2025)Page 26 of 123
OPERATION

Turn on the solution flow: Press the Solution on / off button to turn on the solution flow. The solution indicator lights will turn back on and the solution flow will default to the last setting used.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍⁠​​​‌​‍⁠⁠‍⁠‍⁠⁠‍​​‌‍⁠​⁠​‍‌‌‍⁠‌‍‌‌‌

Touch panel with an arrow pointing at the solution on / off button
Solution on / off button

Severe environment switch (option)

The Severe environment switch provides a detergent boost for areas with extraordinary dirt or soil buildup.

Press the top of Severe environment switch to operate 30 seconds of detergent aided cleaning and the bottom to provide five minutes of detergent aided cleaning. The lights in the switch display which setting is activated.

NOTE: This switch can be configured to allow different flow times. Contact a Tennant service representative to change the default flow times.

Switch panel with an arrow pointing at the lower rocker switch, the severe environment switch
Severe environment switch

The ec-H2O scrubbing mode is temporarily disabled when the severe environment switch is activated. The ec-H2O mode automatically comes back on when Severe environment switch is timed out / turned off.

The solution flow and brush pressure default to the highest / heaviest settings when the Severe environment switch is activated but can be adjusted to lower / lighter settings. See Setting scrub brush pressure section and Setting solution flow section.

Detergent metering (option)

The Detergent Metering switch provides a continuous increased detergent flow for areas with extraordinary dirt or soil buildup.

Press the top of the switch to increase detergent flow. Press the bottom of the switch for even more increased detergent flow. The lights in the switch display which setting is activated.

NOTE: This switch can be configured to allow different flow rates. Contact a Tennant service representative to change the default flow rates.

Switch panel with an arrow pointing at the detergent metering switch
Detergent metering switch

Pre-sweep switch (option)

The Pre-sweep switch controls the pre-sweep and pre-sweep dust control options.

Press the top of the Pre-Sweep switch to start the Pre-Sweep without dust control. The top portion of the switch will illuminate.

Press the bottom of the Pre-Sweep switch to start the Pre-Sweep with dust control. The bottom portion of the switch will illuminate.

NOTE: The Pre-Sweep assembly will begin sweeping and the dust control system will start operating when the machine propels forward.

Switch panel with arrows pointing at the top and bottom of the pre-sweep switch
Pre-sweep switch
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 27, used with permission. SES ref PF-72UY-UPPR‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌‍⁠​​​‌​‍⁠⁠‍⁠‍⁠⁠‍​​‌‍⁠​⁠​‍‌‌‍⁠‌‍‌‌‌
Tennant T17 (11-2025)Page 27 of 123
OPERATION

Press the illuminated portion (top or bottom) of the Pre-Sweep switch to shut off the Pre-sweep system and dust control system.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠​​​​‌​‍⁠⁠​⁠⁠‌‌‍⁠⁠⁠⁠‍‍​⁠⁠⁠‌⁠⁠‍​​​⁠

Operation of controls - Pro-Panel

In shortThis section covers the Pro-Panel: the optional Pro-ID login, the machine status indicators, the 1-STEP and brush buttons, the zone buttons, help and video help, and the Pro-Check checklist. Supervisor setup is in the Supervisor controls chapter starting on page 113.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠​​​​‌​‍⁠⁠​⁠⁠‌‌‍⁠⁠⁠⁠‍‍​⁠⁠⁠‌⁠⁠‍​​​⁠

Pro-ID login screen

Note: The Pro-ID login screen only applies if the machine was set up with it. Predefined user accounts must be created within the Supervisor Mode.

Use the Pro-ID login screen to log into the machine.

Pro-ID login screen with a keypad and an arrow pointing at the number keys
Pro-ID login screen

Use the keypad to enter the user login number into the display above the keypad.

Press the Enter button to log into the machine.

Press the backspace button if necessary to delete and reenter a number.

When the Pro-Panel is in the Supervisor Mode, a gear symbol will appear in the lower right part of the screen. When it is in the Operator Mode, a video symbol will appear.

Machine status button

The machine status button allows access to four different machine status indicators. The default display shows the battery status when the machine is turned on. Any of the four indicators can be set as the default display until the machine is turned off.

Press the machine status button to access all four machine status buttons. All four machine status buttons appear in the display for several seconds until the default buttons reappear in the display.

Two Pro-Panel screens: the default view with the battery status button highlighted, and the view with all four machine status buttons shown (battery, hour meter, recovery tank, solution tank)
Machine status buttons

The battery discharge indicator displays the charge level of the batteries while the machine is operating.

When the batteries are fully charged, all five bars are illuminated. Recharge the batteries when there is only one bar shown in the display. Do not allow the batteries to discharge below 20% (last bar).

NOTE: The reading on the battery discharge indicator is not accurate when the machine is first powered on. Operate the machine a few minutes before reading the charge level of the batteries.

NOTE: Machines equipped with the fuel cell option will have the display on the fuel cell pendant.

The hour meter records the hours the machine was operated. Use this information to determine machine service intervals.

The solution tank indicator displays the amount of liquid in the solution tank. Refill the solution tank when there are no longer any bars shown in the display. The machine will stop scrubbing when the solution tank is empty.

The recovery tank full indicator displays FULL when the recovery tank is full. All scrubbing functions will stop when the recovery tank is full. Empty the recovery tank when the indicator displays FULL.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 28, used with permission. SES ref PF-BE2G-H5E6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠​​​​‌​‍⁠⁠​⁠⁠‌‌‍⁠⁠⁠⁠‍‍​⁠⁠⁠‌⁠⁠‍​​​⁠
Tennant T17 (11-2025)Page 28 of 123
OPERATION

Changing the default button

Press the desired machine status button while all four machine status buttons appear in the display to change it to the new default button. The other three machine status buttons will disappear from the display and the newly selected machine status button will become the default until the machine is turned off. The battery status button will once again be the default when the machine is turned on.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠‌​​​‌​‍⁠⁠‍​​‌‍⁠‍⁠‌​‍⁠‍‌‍​​‍⁠‌⁠​⁠‌

Pro-Panel with all four machine status buttons shown and an arrow pointing at the recovery tank button
Selecting a new default status button
Pro-Panel showing only the recovery tank status button after it was selected as the default
New default button selected

1-STEP button

Press the 1-STEP button to activate all selected sweeping and scrubbing functions. Press the 1-STEP button again when finished cleaning to stop all scrubbing and sweeping functions.

NOTE: The squeegee will remain down and the vacuum fan will remain on for a few seconds to pick up remaining water after the 1-STEP button is deactivated.

The 1-STEP button and all selected scrubbing and sweeping function button will illuminate when the 1-STEP button is pressed.

Pro-Panel with arrows pointing at the four function buttons around the 1-STEP button, shown in standby
Function buttons in standby before 1-STEP

The edges of all selected sweeping and scrubbing buttons will be illuminated to show that they are in the standby mode prior to the 1-STEP button being pressed. The selected buttons will become fully illuminated when the 1-Step button is pressed.

Pro-Panel with arrows pointing at the function buttons, now fully illuminated
Function buttons illuminated after 1-STEP

Scrubbing main brush button

Turn on the scrubbing main brush: Press the scrubbing main brush button. The button will illuminate.

Turn off the scrubbing main brush: Press the scrubbing main brush button. The button will turn off.

Pro-Panel with an arrow pointing at the scrubbing main brush button, which is lit blue
Scrubbing main brush button

Scrubbing vacuum fan / squeegee button

Lower squeegee and turn vacuum fans on: Press the scrubbing vacuum fan / squeegee button. The button will illuminate.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 29, used with permission. SES ref PF-5YCZ-OTYQ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠‌​​​‌​‍⁠⁠‍​​‌‍⁠‍⁠‌​‍⁠‍‌‍​​‍⁠‌⁠​⁠‌
Tennant T17 (11-2025)Page 29 of 123
OPERATION

Raise squeegee and turn vacuum fans off: Press the vacuum fans / squeegee button. The button will turn off.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠‍​​​‌​‍⁠⁠‌‍⁠‌‍⁠‌‍‍​‍‍‍‍​‍‌⁠‌‌‌​‍​

Pro-Panel with an arrow pointing at the lit scrubbing vacuum fan / squeegee button
Scrubbing vacuum fan / squeegee button

Scrubbing side brush button (option)

Turn on the scrubbing side brush: Press the scrubbing side brush button. The button will illuminate.

Turn off the scrubbing side brush: Press the scrubbing side brush button. The button will turn off.

Pro-Panel with an arrow pointing at the lit scrubbing side brush button
Scrubbing side brush button

Sweeping side brush

Turn on the sweeping side brush: Press the sweeping side brush button. The button will illuminate.

Turn off the sweeping side brush: Press the sweeping side brush button. The button will turn off.

Pro-Panel with an arrow pointing at the lit sweeping side brush button
Sweeping side brush button

Pre-sweep brush button

Turn on the pre-sweep brush: Press the pre-sweep brush button. The button will illuminate.

Turn off the pre-sweep brush: Press the pre-sweep brush button. The button will turn off.

Pro-Panel with an arrow pointing at the lit pre-sweep brush button
Pre-sweep brush button

Pre-sweep vacuum fan button

Turn on the pre-sweep vacuum fan: Press the pre-sweep vacuum fan button. The button will illuminate.

Turn off the pre-sweep vacuum fan: Press the pre-sweep vacuum fan button. The button will turn off.

Pro-Panel with an arrow pointing at the lit pre-sweep vacuum fan button
Pre-sweep vacuum fan button

Solution on / off button

The solution flow is designed to stay on whenever the scrub brushes are on. It can be turned off for ten seconds with the solution on / off button to go around corners, etc. See also Setting solution flow section.

Shut off the solution flow (for ten seconds): Press the solution on / off button. All the solution flow indicators will turn off. (The solution flow will automatically restart at the end of the 10 second delay).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 30, used with permission. SES ref PF-H3X6-55OC‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠‍​​​‌​‍⁠⁠‌‍⁠‌‍⁠‌‍‍​‍‍‍‍​‍‌⁠‌‌‌​‍​
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Turn on the solution flow: Press the Solution on / off button to turn on the solution flow. The solution indicator lights will turn back on and the solution flow will default to the last setting used.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠⁠​​​‌​‍⁠⁠‌​‍‍‍​⁠⁠⁠⁠‌​⁠‌‍⁠‌‍​​‍⁠‌⁠

Pro-Panel with arrows pointing at the two solution on / off buttons below the screen
Solution on / off buttons

Screen lock

The screen lock feature is designed to automatically lock the screen and prevent the accidental touching of machine control while operating the machine. The screen lock setting is adjusted in the Supervisors Controls. See Setting / changing the screen lock section.

Pro-Panel with an arrow pointing at the screen lock icon in the center
Screen lock icon

Unlock the screen: Press the screen lock icon.

Severe environment switch (option)

The Severe environment button provides a detergent boost for areas with extraordinary dirt or soil buildup.

Press the Severe environment button to operate 30 seconds of detergent aided cleaning. The severe environment button will illuminate when activated and will go out when timed out/turned off. Press and hold the severe environment button several additional seconds to have the severe environment function activate five minutes of detergent aided cleaning.

NOTE: The Severe Environment switch can be configured to activate for longer than five minutes. Contact Tennant Service representative.

Pro-Panel with arrows pointing at the severe environment button at the top and the countdown timer showing 30 in the middle of the 1-STEP button
Severe environment button and timer

The amount of time remaining for the severe environment scrub is displayed in the middle of the 1-STEP button. It will turn off automatically when the timer expires or when pressed again.

The ec-H2O scrubbing mode is temporarily disabled when the severe environment switch is activated. The ec-H2O mode automatically comes back on when Severe environment switch is timed out / turned off.

The solution flow and brush pressure default to the highest / heaviest settings when the Severe environment switch is activated but can be adjusted to lower / lighter settings. See Setting scrub brush pressure section and Setting solution flow section.

Detergent metering (option)

The Detergent Metering switch provides a continuous increased detergent flow for areas with extraordinary dirt or soil buildup.

Pro-Panel with an arrow pointing at the detergent metering button at the top of the screen
Detergent metering button

NOTE: This switch can be configured to allow different flow rates. Contact a Tennant service representative to change the default flow rates.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 31, used with permission. SES ref PF-HHTR-3WQS‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‌⁠⁠​​​‌​‍⁠⁠‌​‍‍‍​⁠⁠⁠⁠‌​⁠‌‍⁠‌‍​​‍⁠‌⁠
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Press the Detergent Metering Button to change the detergent flow rate. The button will toggle through the 3 different settings.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​​​​​‌​‍⁠⁠⁠‍⁠⁠⁠⁠​​​⁠⁠‌‌‌‌‍​⁠‍‌‌​⁠‍

ButtonSetting
Detergent metering button, darkoff
Detergent metering button, green, one bar litlow (1% detergent flow)
Detergent metering button, green, two bars litHigh (3% detergent flow)

Zone control buttons

Machines equipped with the Pro-Panel can be pre-programmed for up to four preset scrubbing / sweeping settings for different floor cleaning applications. These must be set up ahead of time using the supervisor mode. See Programming the zone control buttons section.

Pro-Panel with four arrows pointing at zone buttons 1, 2, 3 and 4 along the bottom of the screen
Zone control buttons 1 to 4

Press the required zone control button. The selected preset button will illuminate and the name of the zone appears above the button. The solution flow indicator bar / adjustment buttons and brush pressure indicator bar / adjustment buttons briefly appear in the display to show the settings for the selected zone.

Pro-Panel with zone 3 named WAREHOUSE selected, and arrows pointing at the brush pressure bar on the left, the solution flow bar on the right and the zone name
Selected zone with brush pressure and solution flow bars

Rearview camera button

Press the rearview camera button to check cleaning performance. The rearview camera screen will appear in the control panel display for a short amount of time. The main operating screen returns to the control panel after the rearview camera times out. Touch anywhere on the control panel display to turn off the rearview camera and return to the main operating screen.

FOR SAFETY: When using machine, always be aware of your surroundings.
Pro-Panel with an arrow pointing at the rearview camera button at upper right
Rearview camera button

The camera automatically comes on when the directional switch is placed in the reverse position and remains on the entire time the machine is in reverse.

The rearview camera is located on the recovery tank, above where the vacuum hose is attached to the recovery tank.

Rearview camera mounted on the recovery tank above the vacuum hose connection, with an arrow pointing at it
Rearview camera location

Help button

FOR SAFETY: When using machine, do not access the video/help screens while the machine is moving (Pro-Panel).
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 32, used with permission. SES ref PF-I7XH-BH5U‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​​​​​‌​‍⁠⁠⁠‍⁠⁠⁠⁠​​​⁠⁠‌‌‌‌‍​⁠‍‌‌​⁠‍
Tennant T17 (11-2025)Page 32 of 123
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Press the help button to access the help screen.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​‌​​​‌​‍⁠⁠‍‌⁠⁠‌‌‌⁠‌‌⁠‍‍⁠‍​‍​‌‍‍⁠‌‍

Pro-Panel with an arrow pointing at the help button, the question mark at upper left
Help button

Press the applicable button for the help topic needed.

Help screen with buttons for logout, controls help, start-up video and about, a select language button at the top, and a touch here for checklist prompt
Main help screen

Press the select language button to go to the language screen.

Press the login / logout button to log in / log out of the machine operating system.

Press the controls help button to access the controls help screen.

Press the start-up video button to watch the start-up video.

Press the about button to access machine operating system information.

Press the Pre-Operation Checklist button to access the Pre-Operation Checklist.

Press the select language button. Select an applicable language from the list to change the machine operating system language. A flag designating the country language selected will appear at the top of the screen.

Language screen with a list including Deutsch, English (U.K.), English (U.S.) and Español, with up, down, back and select buttons
Language screen

Press the down arrow button to scroll down through the language list.

Press the up arrow button to scroll up through the language list.

Press the back arrow button to return to the previous screen.

Press the Pre-Operation Checklist button to access the Pre-Operation Checklist.

Press the control help button to access information about the Pro-Panel controls.

Controls help screen with each Pro-Panel control labeled, such as help, machine status, side sweep, main scrub, vacuum, camera, back, home and video help
Controls help screen

Press the back arrow button to return to the main help screen.

Press the home button to return to the main operating screen.

Press the about button to access information about the operating system software.

About screen listing system revisions for the user interface, scrub, sweep, water pickup and ec-H2O controllers
About screen
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 33, used with permission. SES ref PF-XN75-V22O‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​‌​​​‌​‍⁠⁠‍‌⁠⁠‌‌‌⁠‌‌⁠‍‍⁠‍​‍​‌‍‍⁠‌‍
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Press the down arrow button to scroll down through the language list.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​‍​​​‌​‍⁠⁠‍​‌‍‍⁠⁠​⁠‍‍​‍​‍​⁠​⁠‌​​‍‍

Press the up arrow button to scroll up through the language list.

Press the home button to return to the main operating screen.

Press the back arrow button to return to the previous screen.

Press the forward arrow button to access machine information from the list.

Video help button

FOR SAFETY: When using machine, do not access the video/help screens while the machine is moving (Pro-Panel).

NOTE: Stop machine before accessing video help screen/videos. Do Not access the video help screen/videos while the machine is moving.

Press the video button to access the video help screen.

Pro-Panel with an arrow pointing at the video button at the lower right
Video button
Video help screen showing a drawing of the machine with video buttons at several machine locations and a rotate machine button
Video help screen

Press the applicable video button to view the help video for a particular machine component.

Press the rotate machine button to access video help buttons located on the front, back, or other side of the machine.

Press the home button to return to the main operating screen.

Press the back arrow button to return to the previous screen.

Press the video list button to access a text list of all help videos.

Select an applicable video from the list to view the video if the video list button was pressed to access the video list.

Video list screen showing Down Pressure and Water Settings, Battery Watering, Shut Down and Squeegee Blade Replacement
Video list screen

Press the down arrow button to scroll down through the language list.

Press the up arrow button to scroll up through the language list.

Press the home button to return to the main operating screen.

Press the back arrow button to return to the previous screen.

Completing the Pro-Check pre-operation checklist

Machines equipped with the Pro-Panel controls can be pre-programmed with the Pro-Check Pre-Operation Checklist the operator must complete before operating the machine.

Checklist screen showing the item Check that Recovery Tank is Empty and Cleaned with confirm and reject buttons, an enter button and up and down arrows
Pro-Check checklist screen

Press the down arrow button to scroll down through the language list.

Corrected an obvious misspelling: heading printed as "COMPLETEING THE PRO-CHECK PRE-OPERATION CHECKLIST" (now "Completing", as in the sentence below it).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 34, used with permission. SES ref PF-BXJT-5256‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​‍​​​‌​‍⁠⁠‍​‌‍‍⁠⁠​⁠‍‍​‍​‍​⁠​⁠‌​​‍‍
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Press the up arrow button to scroll up through the language list.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​⁠​​​‌​‍⁠⁠​‌⁠⁠​⁠‌‍‌‌‌​‍​‍‌⁠​‌‍⁠‍​⁠

Press the complete (check mark) button to confirm the checklist item was checked. Press the problem found (X) button if a problem is found when checklist item is checked.

Press the video help button to view the video related to a particular checklist item.

Press the enter button when ready to start using the machine after completing the checklist.

Press the help button to access the Pro-Check Pre-Operation Checklist help screen.

Checklist help screen with notes: tap check for complete, tap X for problems found, back, scroll up, scroll down and video help
Pro-Check checklist help screen

Press the back arrow button to return to the main help screen.

The operator is not allowed to access the main operating screen / use machine until the Pro-Check Pre-Operation Checklist is completed. Press the back arrow button to return to the checklist screen.

Screen reading You must complete the entire checklist to continue, with an arrow pointing at the back arrow
Checklist must be completed message

Operation of controls - all machines

In shortThese controls are on every T17: emergency shut-off, directional switch, light switch, pedals, parking brake, seat, seat belt and rear bumper door / step. Never run the machine with the rear bumper door / step lowered.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​⁠​​​‌​‍⁠⁠​‌⁠⁠​⁠‌‍‌‌‌​‍​‍‌⁠​‌‍⁠‍​⁠

Emergency shut-off button

The Emergency shut-off button immediately stops the machine.

Stop machine power: Push the Emergency shut-off button.

Restart machine power: Turn the Emergency shut-off button to the right to release the button. Turn the key switch to the OFF position, then turn the key fully clockwise and release it to the ON position.

Note: Lithium-ion battery model (machine serial number 0016062 and below) - To restart machine, turn key switch off and wait up to 3 seconds for machine power to completely shut off then turn key switch back on again.

Note: Lithium-ion battery model (machine serial number 0016063 and above) - To restart machine, turn key switch off and wait up to 10 seconds for machine power to completely shut off then turn key switch back on again.

Emergency shut-off button, directional switch and key switch, with an arrow pointing at the red emergency shut-off button
Emergency shut-off button

Only use this button in the event of an emergency. It is not intended for routine machine shutdown.

Directional switch

Use the Directional switch to select either the forward or reverse direction. Press the propel pedal to move the machine.

Directional switch above the key switch with an arrow pointing at it
Directional switch

NOTE: An audible alarm will sound when the Directional switch is placed into reverse.

NOTE: Machines equipped with the optional flashing light / backup alarm only: The optional backup light and alarm will function only when the machine is moving in reverse.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 35, used with permission. SES ref PF-RIYH-CGWQ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍​⁠​​​‌​‍⁠⁠​‌⁠⁠​⁠‌‍‌‌‌​‍​‍‌⁠​‌‍⁠‍​⁠
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Operating / hazard light switch (option)

Operating and Hazard Lights On: Press the top of the Operating / hazard light switch.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌​​​​‌​‍⁠⁠​‌​‍‌‌‌​⁠⁠‍‌⁠​‍‍‍‌​‌‌​‌‍

Hazard Lights On: Press the Operating / hazard light switch to the middle position.

All Lights Off: Press the bottom of the Operating / hazard light switch.

Two views of the operating / hazard light switch, each with an arrow pointing at the switch
Operating / hazard light switch

Propel pedal

Press the Propel pedal to move the machine.

Pedals with an arrow pointing at the propel pedal
Propel pedal

Brake pedal

Press the Brake pedal to stop the machine.

Pedals with an arrow pointing at the brake pedal
Brake pedal

Parking brake pedal

Position toe onto the Parking brake pedal and press both the Brake pedal and Parking brake pedal down to engage the parking brake. Press just the Brake pedal to release the parking brake.

A shoe on the brake pedal with arrows pointing down at the brake pedal and at the red parking brake pedal
Engaging the parking brake

Operator seat

The front-to-back adjustment lever adjusts the seat position.

Operator seat with an arrow pointing at the front-to-back adjustment lever under the seat
Seat adjustment lever

Seat belts (Deluxe seat option only)

FOR SAFETY: Before starting machine, adjust seat and fasten seat belt (if equipped).
A hand pulling the seat belt across to the buckle on the deluxe seat
Fastening the seat belt
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 36, used with permission. SES ref PF-JBIO-HVM7‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌​​​​‌​‍⁠⁠​‌​‍‌‌‌​⁠⁠‍‌⁠​‍‍‍‌​‌‌​‌‍
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Rear bumper door / step

The Rear bumper door / step provides easier access to the top of the machine for cleaning the recovery tank and can be lowered to access the lower rear areas of the machine near the rear squeegee and the squeegee vacuum hose.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌‌​​​‌​‍⁠⁠​‍​‌​⁠‌‌‍​​‍⁠⁠‍​⁠⁠‍‍​​‍‍

The Rear bumper door / step must also be lowered to completely empty both the solution tank and the recovery tank.

To open the Rear bumper door / step, lift the Rear bumper door / step with the handle and place into the lowered position.

A hand lifting the rear bumper door by its handle, with an arrow pointing up
Lifting the rear bumper door / step by the handle
The rear bumper door being lowered, with an arrow pointing down
Rear bumper door / step lowered

NOTE: Step only in the tread area of the Rear bumper door / step. Do Not step into the two marked indented non-tread areas on each side of the Rear bumper door / step.

Two photos of a boot on the step: on the left a boot in the indented non-tread area crossed out in red, on the right a boot in the tread area with a check mark
Where to step: tread area only
A hand lifting the lowered rear bumper door back up, with a curved arrow showing the direction
Closing the rear bumper door / step

To close the Rear bumper door / step, lift it with the handle and lock it into the raised position.

FOR SAFETY: Do not operate machine with the rear bumper door / step in the lowered position. Do not carry passengers on any part of the machine.
Yellow and black warning label showing a rider machine with a person standing on the rear and a red prohibition circle over it
Do not carry passengers label, 1213638
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 37, used with permission. SES ref PF-KYK7-3DB4‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌‌​​​‌​‍⁠⁠​‍​‌​⁠‌‌‍​​‍⁠⁠‍​⁠⁠‍‍​​‍‍
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How the machine works

In shortThe T17 scrubs with water and detergent, or with the optional ec-H2O or ES (Extended Scrub) modes. The 1-STEP button starts all scrubbing functions at once.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌‍​​​‌​‍⁠⁠⁠‌‌​​‍‌​‍‍‍​‍‍⁠​​‌‌‍⁠​​‍
Cutaway drawing of the T17 with cylindrical scrub brushes, showing the solution path through the tanks, brushes and squeegee
T17 with cylindrical brushes
Cutaway drawing of the T17 with disk brushes, showing the solution path through the tanks, disk brushes and squeegee
T17 with disk brushes

The 1-STEP button makes it possible to immediately begin scrubbing by operating all the scrubbing functions.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌‍​​​‌​‍⁠⁠⁠‌‌​​‍‌​‍‍‍​‍‍⁠​​‌‌‍⁠​​‍

When in the conventional scrub mode, a water and detergent mixture is used to scrub the floor.

When in the optional ES (Extended Scrub) mode, the dirty solution in the recovery tank is filtered through the ES system and returned to the solution tank for reuse. Detergent is then injected into the returned solution to revitalize the cleaning capability of the solution.

When in the optional ec-H2O (electrically converted water) mode, normal water passes through a module where it is oxygenated and charged with an electric current. The electrically converted water changes into a blended acidic and alkaline solution forming a neutral pH cleaner. The converted water attacks the dirt, breaks it into smaller particles, and pulls it off the floor surface allowing the machine to easily scrub away the suspended soil. The converted water then returns to normal water in the recovery tank. The ec-H2O system can be used with all double scrubbing and heavy duty scrubbing applications.

Brush and pad information

In shortPick the brush or pad by the job: nylon for coated floors, polypropylene for general cleaning, Super AB for buildup and grease, and brown, blue, red or white pads for stripping, scrubbing, buffing and polishing. Call us at 800-440-6723 for brush and pad parts.

For best results, use the appropriate brush or pad for the cleaning application. Listed below are brushes and pads and the applications for which each is best suited.

NOTE: The amount and type of soilage play an important role in determining the type of brush or pad to use. Contact a Tennant representative for specific recommendations.

Nylon brush (Cylindrical and Disk)* - Softer nylon bristles are recommended for scrubbing coated floors. Cleans without scuffing.

Heavy Duty Polypropylene brush (Disk) - Heavy duty polypropylene bristles provide a more aggressive cleaning performance and can more easily lift compacted dirt, debris, and sand while offering excellent scrubbing performance.

Polypropylene brush (Cylindrical and Disk)* - General purpose polypropylene bristles lift lightly compacted dirt without scuffing high-gloss coated floors.

Super AB brush (Cylindrical and Disk)* - Nylon fiber with an abrasive grit to remove stains and compacted dirt. Aggressive action on any surface. Performs well on buildup, grease, or tire marks.

* This brush is also available for the side brush.

Stripping pad (Brown) - For stripping of floor finish to prepare the floor for recoating.

Scrubbing pad (Blue) - For medium to heavy-duty scrubbing. Removes dirt, spills, and scuffs.

Buffing pad (Red) - For light duty scrubbing without removing floor finish.

Polishing pad (White) - For maintaining highly polished or burnished floors.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 38, used with permission. SES ref PF-IWBX-EWJM‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌‍​​​‌​‍⁠⁠⁠‌‌​​‍‌​‍‍‍​‍‍⁠​​‌‌‍⁠​​‍
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High productivity stripping pad (Black) - For aggressive stripping of heavy finishes or sealers, or for very heavy duty scrubbing. This pad can only be used with the grip pad driver, not the tufted pad driver.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌⁠​​​‌​‍⁠⁠​‌‍‌‌‌⁠‌​​​‌‍‍​⁠⁠⁠⁠​‍‌‌​

Surface preparation pad (Maroon) - For very aggressive chemical free removal of floor finish to prepare the floor for re-coating

Grip pad driver - The grip-face backing allows pads to be fully used and holds pads in place without penetrating the pad. The spring-activated centering device works with all Tennant pads and allows for fast, easy pad replacement.

Grip pad driver, a round disk with a black grip-face backing and a blue center hub
Grip pad driver

Tufted pad driver - Standard pad driver has short bristles, or "tufts," on the back to hold the pad in place. This driver works with all Tennant pads except the black high productivity pad.

Tufted pad driver, a round disk with rings of short black bristles on the face
Tufted pad driver

While operating the machine

In shortPick up wire, string and large debris before scrubbing, drive straight, and go slowly on inclines. Do not scrub on ramp inclines over 8.7% grade. Use the lowest brush pressure and solution flow that give good results.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌⁠​​​‌​‍⁠⁠​‌‍‌‌‌⁠‌​​​‌‍‍​⁠⁠⁠⁠​‍‌‌​

Pick up oversized debris before scrubbing. Pick up wire, string, twine, large pieces of wood, or any other debris that could become wrapped around or tangled in the brushes.

Drive in a straight a path as possible. Avoid bumping into posts or scraping the sides of the machine. Overlap the scrub paths by a few inches (several centimeters).

Avoid turning the steering wheel too sharply when the machine is in motion. The machine is very responsive to the movement of the steering wheel. Avoid sudden turns, except in emergencies.

Adjust the machine speed, brush pressure, and solution flow as required when scrubbing. Use the lowest brush pressure and solution flow settings for best performance.

If poor cleaning performance is observed, stop cleaning and refer to Machine troubleshooting on page 69 in this manual.

Perform the Daily Maintenance Procedures after each use (see Maintenance on page 71 in this manual).

Drive the machine slowly on inclines. Use the brake pedal to control machine speed on descending inclines. Scrub with the machine up inclines rather than down inclines.

FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces.

Do not operate machine in areas where the ambient temperature is above 110°F (43°C). Do not operate scrubbing functions in areas where the ambient temperature is below freezing 32°F (0°C).

FOR SAFETY: When using machine, do not scrub on ramp inclines that exceed 8.7% grade or transport (GVWR) on ramp inclines that exceed 12% grade.

Pre-operation checklist

Perform the following steps before operating the machine:

☐ Check the machine for fluid leaks.
☐ Check left side squeegee for wear and damage.
☐ Check main brushes for wear and damage.
☐ Machines equipped with cylindrical brushes: Confirm the debris tray is empty and clean.
☐ Machines equipped with side brush option: Check for wire, string, or twine wrapped around the scrub brush.
☐ Machines equipped with side brush option: Check squeegee for wear and damage.
☐ Machines equipped with Pre-Sweep option: Check for wire, string, or twine wrapped around the scrub brush.
☐ Machines equipped with Pre-Sweep option: Check dust control filter bag.
☐ Machines equipped with Pre-Sweep option: Confirm debris trough is empty.
☐ Machines equipped with live wand option: Confirm debris tray is empty.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 39, used with permission. SES ref PF-MT45-U7VK‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‌⁠​​​‌​‍⁠⁠​‌‍‌‌‌⁠‌​​​‌‍‍​⁠⁠⁠⁠​‍‌‌​
Tennant T17 (11-2025)Page 39 of 123
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☐ Check the rear squeegees for wear and damage.
☐ Check the recovery tank cover seal for wear or damage.
☐ Confirm the vacuum fan inlet filter is clean.
☐ Machines equipped with ES option: Ensure ES filter at bottom of recovery tank is clean.
☐ Check the right side squeegee for wear and damage.
☐ Check the solution tank cover seal for wear or damage.
☐ ec-H2O Scrubbing: Confirm all conventional cleaning agents/restorers are drained and rinsed from the solution tank.
☐ ec-H2O Scrubbing: Confirm the solution tank is filled with clear cool water only.
☐ Check the horn, headlights, taillights, safety lights, and backup alarm (if equipped).
☐ Check the brakes and steering for proper operation.
☐ Check the parking brake pedal for proper operation.
☐ Check the tires for damage.
☐ Check maintenance records to determine maintenance requirements.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍​​​​‌​‍⁠⁠⁠​⁠‌​‍‍‍​⁠⁠⁠‍​⁠⁠‌⁠​‌​‌​‍

Starting the machine

FOR SAFETY: Before starting machine, adjust seat and fasten seat belt (if equipped).
  1. Sit in the operators seat.
  2. Turn the Key switch to the ON position.

    NOTE: Lithium-ion Battery Model - it is not required to turn the key switch completely past the On position to start the machine. However, there is a slight delay before the machine power turns on after turning the key switch. There is also a 3 second delay when powering off the machine.

    NOTE: Lithium-ion Battery Model (machine serial number 0016062 and below) - The machine will automatically shut off if not operated for more than one hour to conserve battery energy. To restart machine, turn key switch off and wait up to 3 seconds before turning key switch back again.

    NOTE: Lithium-ion Battery Model (machine serial number 0016063 and above) - The machine will automatically shut off if not operated for more than one hour to conserve battery energy. To restart machine, turn key switch off and wait up to 10 seconds before turning key switch back again.

Key switch with a curved arrow showing the key turned clockwise to the ON position
Turning the key switch to ON
  1. Turn on lights (if equipped).
  2. Place the Directional switch into the direction needed to travel.
  3. Press the Propel pedal to move the machine.

NOTE: The machine will not travel unless the operator is sitting in the operator seat.

Filling the detergent tank (option)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Open the left shroud to access the detergent tank.
  2. Remove the cap from the detergent tank.
A gloved hand removing the cap from the white detergent tank behind the left shroud
Removing the detergent tank cap
  1. Pour detergent into the detergent tank.
An arrow pointing down at the open detergent tank where detergent is poured in
Pouring detergent into the tank
  1. Reinstall the cap onto the detergent tank.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 40, used with permission. SES ref PF-VX6Y-BMSH‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍​​​​‌​‍⁠⁠⁠​⁠‌​‍‍‍​⁠⁠⁠‍​⁠⁠‌⁠​‌​‌​‍
Tennant T17 (11-2025)Page 40 of 123
OPERATION

Filling the solution tank

In shortFor conventional scrubbing, fill with water no hotter than 140°F (60°C) plus detergent. For ec-H2O mode, use clean cool water only, below 70°F (21°C), with no detergent. Fill to about 1 in (25 mm) below the opening and never put flammable materials in the tank.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍‌​​​‌​‍⁠⁠​⁠‍⁠‍‍​​‍​⁠‍‍⁠⁠‍‍‌⁠‌‌⁠‌‍

Conventional scrubbing mode

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Twist the handle and lift the solution tank cover open.
A gloved hand twisting the solution tank cover handle to open the cover
Opening the solution tank cover
  1. Partially fill solution tank with water (not to exceed 140°F (60°C)). Pour the required amount of detergent into the solution tank. Continue filling the solution tank with water until the level is approximately 1 in (25 mm) below the opening.
Warning: Flammable materials can cause an explosion or fire. Do not use flammable materials in tank(s).
Attention: For Conventional Scrubbing, only use recommended cleaning detergents. Machine damage due to improper detergent usage will void the manufacturer warranty.

Note: Pour a recommended foam control solution into the recovery tank if excessive foam appears. For specific detergent recommendations, contact a Tennant representative.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍‌​​​‌​‍⁠⁠​⁠‍⁠‍‍​​‍​⁠‍‍⁠⁠‍‍‌⁠‌‌⁠‌‍

  1. Close the solution tank cover.

ec-H2O scrubbing (ec-H2O mode)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Twist the handle and lift the solution tank cover open.
A gloved hand twisting the solution tank cover handle to open the cover
Opening the solution tank cover
  1. Fill the solution tank with only clean COOL WATER (less than 70°F (21°C)). DO NOT use hot water or add any conventional floor cleaning detergents or an ecH2O system failure may result. Fill the solution tank with water until the level is approximately 1 in (25 mm) below the opening.
Warning: Flammable materials can cause an explosion or fire. Do not use flammable materials in tank(s).

Note: Do not use the ecH2O system when there are conventional cleaning detergents in the solution tank. Drain, rinse, and refill the solution tank with clear cool water before operating the ecH2O system. Conventional cleaning detergents may cause an ecH2O system failure.

  1. Close the solution tank cover.

ES (Extended Scrub) mode - manual tank fill

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Open the solution tank cover.
A gloved hand twisting the solution tank cover handle to open the cover
Opening the solution tank cover
  1. Fill solution tank with water (not to exceed 140°F (60°C)). Fill the solution tank with water until the level is approximately 1 in (25 mm) below the opening.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 41, used with permission. SES ref PF-77G3-3WZD‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍‌​​​‌​‍⁠⁠​⁠‍⁠‍‍​​‍​⁠‍‍⁠⁠‍‍‌⁠‌‌⁠‌‍
Tennant T17 (11-2025)Page 41 of 123
OPERATION
  1. Close the solution tank cover.
Open solution tank with the cover raised and the filler tube visible
Solution tank with cover open
  1. Fill the recovery tank to just above the top of the ES filter with water (not to exceed 140°F (60°C)).
Inside the recovery tank with an arrow pointing at the ES filter
ES filter in the recovery tank
  1. Close the recovery tank cover.
  2. Fill the detergent tank with detergent.
WARNING: Flammable materials can cause an explosion or fire. Do not use flammable materials in tank(s).

Auto-fill (option)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Lower the Rear bumper door / step.
  2. Connect the hose from the water source (not to exceed 140°F (60°C)) to the auto-fill connection.
Brass auto-fill connection at the rear of the machine with an arrow pointing at it
Auto-fill connection
  1. Turn the Key switch to the on position and turn on the water source. The auto-fill automatically fills the tank(s) to the proper level(s).
WARNING: Flammable materials can cause an explosion or fire. Do not use flammable materials in tank(s).
ATTENTION: For ES Scrubbing, only use recommended low-foaming cleaning detergents. Machine damage due to the use of improper detergent will void the manufacturer's warranty.
  1. Raise the Rear bumper door / step.

ec-H2O button (option)

The ec-H2O button enables the ec-H2O system to come on when the 1-STEP button is activated. Press the ec-H2O button to turn on the ec-H2O system.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍‍​​​‌​‍⁠⁠​​‌‌‍‌⁠‍​⁠⁠‌⁠​‍‍⁠‍⁠‌​​‍​

ec-H2O machines equipped with severe environment switch only: Machines equipped with the severe environment switch default to the ec-H2O setting upon start up.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 42, used with permission. SES ref PF-CUBS-P3HE‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍‍​​​‌​‍⁠⁠​​‌‌‍‌⁠‍​⁠⁠‌⁠​‍‍⁠‍⁠‌​​‍​
Tennant T17 (11-2025)Page 42 of 123
OPERATION

Machines equipped with standard control panel: The ec-H2O button enables the ec-H2O system to come on when the 1-STEP button is activated. The light above the button will come on.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍⁠​​​‌​‍⁠⁠‍​​‍‍⁠⁠​‍​‍‍‌⁠​‍⁠‍‌​​‌⁠​

Two standard panel versions of the ec-H2O button, each with an arrow pointing at the light above the button and at the button
Standard Panel

Note: A flashing red light located on the bottom portion of the LED (light-emitting diode) light directly above the ec-H2O button indicates when the ec-H2O system needs to be flushed. See ec-H2O module flush procedure on page 101 in the Maintenance on page 71 section.

Two standard panel versions of the ec-H2O button with an arrow pointing at the light above it, shown with a red portion lit
Standard Panel

Machines equipped with Pro-Panel controls: The background will change from black to the multicolored background, the slash disappears from the ec-H2O button, and the button is illuminated when the ec-H2O button is pushed to indicate it is active.

Pro-Panel with an arrow pointing at the ec-H2O button at the top, shown crossed out with a slash because the system is off
Pro-Panel, ec-H2O off
Pro-Panel with an arrow pointing at the ec-H2O button at the top, shown without a slash because the system is on
Pro-Panel, ec-H2O on

The ec-H2O button will turn red, the fault / alert indicator button will flash, and an ec-H2O error message will appear in the display when there is an ec-H2O error.

Pro-Panel screen showing the ec-H2O error message in yellow letters
Pro-Panel, ec-H2O error

ES (Extended Scrub) button (option)

The ES button enables the ES system to come on when the 1-STEP button is activated.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 43, used with permission. SES ref PF-RX6B-YQFY‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍‍⁠​​​‌​‍⁠⁠‍​​‍‍⁠⁠​‍​‍‍‌⁠​‍⁠‍‌​​‌⁠​
Tennant T17 (11-2025)Page 43 of 123
OPERATION

Machines equipped with standard control panel: The ES button enables the ES system to come on when the 1-STEP button is activated. The light next to the button will come on.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠​​​​‌​‍⁠⁠‍‍​‌‍​⁠​​‍​⁠​⁠⁠‌‍⁠‌‍⁠​⁠‍

Two standard panel versions of the ES button with arrows pointing at the ES button and its light
Standard Panel

Machines equipped with Pro-Panel controls: The slash disappears from the ES button and the button is illuminated when the ES button is pushed to indicate it is active.

Pro-Panel with an arrow pointing at the ES button, shown with a slash because the system is off
Pro-Panel, ES off
Pro-Panel with an arrow pointing at the ES button, shown without a slash because the system is on
Pro-Panel, ES on

Scrub brush pressure

In shortKeep brush pressure on the lowest setting for normal cleaning and raise it only for heavy grime or worn brushes. Solution flow works the same way: lowest setting for normal soil, higher for heavy grime. The machine remembers the last settings.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠​​​​‌​‍⁠⁠‍‍​‌‍​⁠​​‍​⁠​⁠⁠‌‍⁠‌‍⁠​⁠‍

Under normal cleaning conditions, the brush pressure should be set to the lowest setting. Under heavy grime conditions, the brush pressure can be set to a higher setting. Travel speed and floor conditions will affect cleaning performance. If brushes are worn, it may be necessary to increase the brush pressure. The machine will default to the last setting used when it is powered on or off.

Setting scrub brush pressure - standard panel

With the 1-STEP button activated, press the brush pressure button to both raise or lower the brush pressure settings. The brush pressure indicator lights display the current brush pressure setting.

Two standard panel versions of the brush pressure button with an arrow pointing at the button and its indicator lights
Brush pressure button

Setting scrub brush pressure - Pro-Panel

Press the brush pressure button to access the brush pressure increase (+) button, the brush pressure decrease (-) button, and the brush pressure indicator bar.

Pro-Panel with an arrow pointing at the brush pressure button at the left
Pro-Panel brush pressure button
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 44, used with permission. SES ref PF-BYIZ-YQ7U‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠​​​​‌​‍⁠⁠‍‍​‌‍​⁠​​‍​⁠​⁠⁠‌‍⁠‌‍⁠​⁠‍
Tennant T17 (11-2025)Page 44 of 123
OPERATION

Use the brush pressure increase (+) button and the brush pressure decrease (-) button to change the brush pressure. The brush pressure indicator bar displays the current brush pressure setting.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠‌​​​‌​‍⁠⁠​⁠‌‍⁠‌‌​‍⁠​⁠‌​‍‌​​‍‌‌‌​⁠

Pro-Panel with arrows pointing at the brush pressure increase and decrease buttons on the left
Brush pressure increase and decrease buttons

Solution flow

Travel speed and floor conditions will affect scrubbing performance. Under normal soilage conditions the solution flow level should be set to the lowest setting (the left light). Under heavy grime conditions, the solution flow level should be set to the higher settings (middle or right lights). The machine will default to the last setting used when the machine is powered on or off.

Setting solution flow - standard panel

With the 1-STEP button activated, press either Solution increase button (+) or Solution decrease button (-) to set the solution flow level. The solution flow indicator lights display the current solution flow setting.

Two standard panel versions of the solution flow control with arrows pointing at the decrease button, the increase button and the three indicator lights
Solution flow buttons and indicator lights

Setting solution flow - Pro-Panel

Press the solution flow button to access the solution increase (+) button, the solution decrease (-) button, and the solution flow indicator bar.

Pro-Panel with an arrow pointing at the solution flow button at the right
Pro-Panel solution flow button

Use the solution increase (+) button and the solution decrease (-) button to set the solution flow level. The solution flow indicator bar displays the current solution flow setting.

Pro-Panel with arrows pointing at the solution increase and decrease buttons on the right
Solution increase and decrease buttons

Scrubbing - standard panel

In shortTurn on the machine, press 1-STEP, choose the scrub mode, set brush pressure and solution flow, put the directional switch forward, then press the propel pedal. Press 1-STEP again to stop. Never turn on ec-H2O during conventional scrubbing.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠‌​​​‌​‍⁠⁠​⁠‌‍⁠‌‌​‍⁠​⁠‌​‍‌​​‍‌‌‌​⁠
FOR SAFETY: Do not operate machine, unless operator manual is read and understood.
  1. Turn on the machine.
  2. Press the 1-STEP button. The light near the button will come on. All of the preset scrub functions will turn on.
Standard panel with arrows pointing at the 1-STEP button and the light above it
1-STEP button and light
  1. If necessary, activate the scrub mode required for the area to be cleaned.
  2. If necessary, adjust the brush pressure and solution flow.
  3. Place the Directional switch in the forward position.
  4. Press the Propel pedal to begin scrubbing.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 45, used with permission. SES ref PF-T2HE-EAU3‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠‌​​​‌​‍⁠⁠​⁠‌‍⁠‌‌​‍⁠​⁠‌​‍‌​​‍‌‌‌​⁠
Tennant T17 (11-2025)Page 45 of 123
OPERATION

NOTE: DO NOT turn on the ec-H2O system during conventional scrubbing. Conventional cleaning detergents could cause an ec-H2O system failure. Drain, rinse, and refill the solution tank with cool clean water before operating the ec-H2O system.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠‍​​​‌​‍⁠⁠‌‍‌‍‍​‌⁠‌‍​⁠⁠‍‌​‍​‌‌​‌⁠​

ec-H2O machines only: A flashing red light located on the bottom portion of the LED (light-emitting diode) light directly above the ec-H2O button indicates when the ec-H2O system needs to be flushed. See ec-H2O module flush procedure on page 101 in the Maintenance on page 71 section.

The ec-H2O button with an arrow pointing at the LED above it, showing a red portion lit
ec-H2O flush indicator light
WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.
FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces.

NOTE: The squeegee automatically rises when the machine is driven in reverse. This prevents damage to the squeegee.

  1. Release the Directional pedal and press the brake pedal to stop the machine.
  2. Press the 1-STEP button to stop scrubbing. The light near the button will go off and scrubbing functions will stop after a short delay.

NOTE: If there is a fault code or warning code during machine operation (flashing warning / fault indicator light, a code displayed on the LCD, and an audible alarm), stop the machine and refer to the Fault indicators or Warning codes section of this manual for the cause and the corrective action for eliminating the fault or warning.

Scrubbing - Pro-Panel

FOR SAFETY: Do not operate machine, unless operator manual is read and understood.
  1. Start the machine.
  2. If applicable, log into the machine. See Pro-ID login screen.
  1. If applicable, complete the Pro-Check Pre-Operation Checklist. See Completing the Pro-Check pre-operation checklist on page 34.

    NOTE: Make sure the scrubbing modes / settings are set before scrubbing.

  2. Press the 1-STEP button. The 1-STEP button and all other selected scrubbing / sweeping buttons will illuminate.
Pro-Panel with arrows pointing at the four function buttons and at the 1-STEP button in the center
1-STEP and selected function buttons
  1. If necessary, adjust the scrubbing brush pressure and solution flow.
Pro-Panel with arrows pointing at the brush pressure button on the left and the solution flow button on the right
Brush pressure and solution flow buttons

If necessary, activate the scrub mode or zone setting required for the area to be cleaned.

  1. Release the parking brake.
  2. Place the directional switch in the forward position.
  3. Press the propel pedal to begin scrubbing.

NOTE: DO NOT turn on the ec-H2O system during conventional scrubbing. Conventional cleaning detergents could cause a ec-H2O system failure. Drain, rinse, and refill the solution tank with cool clean water before operating the ec-H2O system.

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.
FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces.

NOTE: The squeegee automatically rises when the machine is driven backwards. This prevents damaging the squeegee.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 46, used with permission. SES ref PF-NUNT-YQ2D‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠‍​​​‌​‍⁠⁠‌‍‌‍‍​‌⁠‌‍​⁠⁠‍‌​‍​‌‌​‌⁠​
Tennant T17 (11-2025)Page 46 of 123
OPERATION
  1. Press the rearview camera button at any time to check cleaning performance behind the machine.
Pro-Panel with an arrow pointing at the rearview camera button
Rearview camera button
  1. Release the directional pedal and press the brake pedal to stop the machine.
  2. Press the 1-STEP button to stop scrubbing. The button will no longer be illuminated and scrubbing / sweeping functions will stop after a short delay.

NOTE: If there is a fault or alert code during machine operation, stop the machine and refer to the Fault / alert indicators - Pro-Panel on page 52 section of this manual for the cause and the corrective action for eliminating the fault or alert.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠⁠​​​‌​‍⁠⁠⁠⁠​​‍⁠​‌‍‍‌​⁠‍​‍⁠⁠‍⁠‍‍‍​

Double scrubbing

In shortDouble scrubbing means two passes over a heavily soiled area. Make the first pass with the rear and side squeegees raised and let the solution soak for 5-15 minutes, then lower them and scrub again to pick it up.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠⁠​​​‌​‍⁠⁠⁠⁠​​‍⁠​‌‍‍‌​⁠‍​‍⁠⁠‍⁠‍‍‍​

Double scrubbing is the process of making two or more passes over a heavily soiled area. The first pass is made with the rear and side squeegees raised to allow the solution to soak into the floor. Use the double scrubbing method to clean heavily soiled areas.

Double scrubbing can be performed using the ec-H2O SCRUBBING SYSTEM (option), ES SCRUBBING SYSTEM (option), or CONVENTIONAL SCRUBBING methods.

Manually lift both side squeegee assemblies and position the double scrub latch to hold the squeegees in the raised position.

Two gloved hands lifting a side squeegee assembly and positioning the double scrub latch
Positioning the double scrub latch
Side squeegee assembly with an arrow pointing at the double scrub latch
Double scrub latch

Press the 1-STEP button and then the Vacuum fan / squeegee button. The light above the Vacuum fan / squeegee button will turn off, the squeegee will rise, and the vacuum fan will stop operating. Scrub the heavily soiled area. Let the cleaning solution soak on the floor for 5-15 minutes.

Machines equipped with standard panel: Press the 1-STEP button and then the vacuum fan / squeegee button. The light above the vacuum fan / squeegee button will turn off, the squeegee will rise, and the vacuum fan will stop operating.

Standard panel vacuum fan / squeegee button on two panel types with arrows pointing at the indicator light and the button
Vacuum fan / squeegee button, standard panel

Machines equipped with Pro-Panel panel: Press the 1-STEP button and then the vacuum fan / squeegee button. The vacuum fan / squeegee button will no longer be illuminated, the squeegee will rise, and the vacuum fan will stop operating.

Pro-Panel with an arrow pointing at the vacuum fan / squeegee button
Vacuum fan / squeegee button, Pro-Panel
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 47, used with permission. SES ref PF-KG52-S7ZM‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​‍⁠⁠​​​‌​‍⁠⁠⁠⁠​​‍⁠​‌‍‍‌​⁠‍​‍⁠⁠‍⁠‍‍‍​
Tennant T17 (11-2025)Page 47 of 123
OPERATION

Scrub the heavily soiled area. Let the cleaning solution soak on the floor for 5-15 minutes.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​​​​​‌​‍⁠⁠‍⁠⁠‍​⁠​‌‌‍⁠‍‌⁠⁠‌​⁠⁠⁠‍⁠⁠⁠

FOR SAFETY: When using machine, go slowly on inclines and slippery surfaces.

Before scrubbing the floor a second time, lower the side squeegees and press the Vacuum fan / squeegee button to lower the rear squeegee and turn on the vacuum fan. The light above the button will come on. Scrub the floor a second time to pick up the cleaning solution.

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.

NOTE: If needed, reduce solution flow when scrubbing the floor for a second time.

NOTE: Double scrubbing is not recommended in areas where the cleaning solution will run under racks or damage products.

Water pickup mode (no scrubbing)

The machine can be used to pick up water or non-flammable liquid spills without scrubbing.

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.

Before picking up water or non-flammable liquid spills, make sure the 1-STEP button is activated and all other cleaning functions are off.

Machines equipped with standard control panel: Press the scrubbing vacuum fan / squeegee button. The light above the button will illuminate, the squeegee will lower, and the vacuum fan will start operating. Pick up the water or non-flammable liquid spill.

Standard panel vacuum fan / squeegee button on two panel types with arrows pointing at the indicator light and the button
Vacuum fan / squeegee button, standard panel

Machines equipped with Pro-Panel panel: Press the scrubbing vacuum fan / squeegee button. The button will illuminate, the squeegee will lower, and the vacuum fan will start operating. Pick up the water or non-flammable liquid spill.

Pro-Panel with an arrow pointing at the scrubbing vacuum fan / squeegee button
Vacuum fan / squeegee button, Pro-Panel

Stop scrubbing

  1. While the machine is still in motion, press the 1-Step button to stop cleaning. The squeegee will briefly remain lowered to the floor to pick up the water in the scrub head, and then raises.
  2. Release the directional pedal and press the brake pedal to stop the machine.

Draining and cleaning the recovery tank

In shortDrain and clean the recovery tank daily or when the recovery tank full fault code appears. Park near a floor drain, drain and flush the tank, clean the filters and screen, and never use steam.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​​​​​‌​‍⁠⁠‍⁠⁠‍​⁠​‌‌‍⁠‍‌⁠⁠‌​⁠⁠⁠‍⁠⁠⁠

Drain and clean the recovery tank daily or when the recovery tank full fault code appears on the LCD display.

Clean the outside of the tank with vinyl cleaner.

  1. Drive the machine near a floor drain.
  2. Lower the rear bumper door / step.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  3. Unhook the recovery tank drain hose from the recovery tank.
Rear of the machine with an arrow pointing at the recovery tank drain hose
Recovery tank drain hose
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 48, used with permission. SES ref PF-GW7U-SBVW‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​​​​​‌​‍⁠⁠‍⁠⁠‍​⁠​‌‌‍⁠‍‌⁠⁠‌​⁠⁠⁠‍⁠⁠⁠
Tennant T17 (11-2025)Page 48 of 123
OPERATION
  1. Hold the drain hose near a floor drain, twist the drain nozzle open, and place the hose near the floor drain.
    ATTENTION: Be sure the drain hose nozzle is pointed in a safe direction before opening the nozzle.
Gloved hands holding the drain hose nozzle over a floor drain as water runs out, with a glove-required symbol at upper right
Opening the drain nozzle over a floor drain
  1. If necessary, twist the drain nozzle to another position to adjust the flow rate.
Close view of the drain nozzle with three arrows pointing at the positions to twist it
Adjusting the drain nozzle flow
  1. Lift the recovery tank cover and flush out the recovery tank with clean water. Rinse the sensor near the top of the tank.

    ES machines only: Clean the second lower sensor (not shown).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​‌​​​‌​‍⁠⁠‌‍‌‍​​⁠⁠‌‍⁠⁠‌⁠‌‌​‍⁠​⁠‍‍‍

Open recovery tank cover with two arrows pointing into the tank at the areas to flush and the sensor to rinse
Flushing the recovery tank
Close view inside the recovery tank with an arrow pointing up at the sensor near the top
Recovery tank sensor
  1. ES machines: Rinse the ES filter at the bottom of the recovery tank.
Inside the recovery tank with an arrow pointing at the ES filter at the bottom
ES filter
  1. To prevent leaks, clean the plug portion of the nozzle and the interior of the drain hose cuff.
The drain nozzle plug and the drain hose cuff laid on the floor, with arrows pointing at the plug and the inside of the cuff
Drain nozzle plug and hose cuff

NOTE: DO NOT use steam to clean the tanks. Excessive heat can damage the tanks and components.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 49, used with permission. SES ref PF-VNMF-VLJN‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​‌​​​‌​‍⁠⁠‌‍‌‍​​⁠⁠‌‍⁠⁠‌⁠‌‌​‍⁠​⁠‍‍‍
Tennant T17 (11-2025)Page 49 of 123
OPERATION
  1. Twist the drain cuff closed and insert the drain hose back into the clip on the recovery tank.
A hand inserting the drain hose into the clip on the side of the recovery tank
Drain hose back in its clip
  1. Check the vacuum fan inlet filter daily. Clean inlet filter with a damp cloth or hose when dirty. Allow filter to completely dry before reinstalling it into the machine.
A gloved hand holding the white pleated vacuum fan inlet filter above its housing
Vacuum fan inlet filter
  1. Remove the vacuum screen from the recovery tank cover and rinse the screen.
A gloved hand holding the round vacuum screen removed from the recovery tank cover
Vacuum screen
  1. Remove the debris tray from the recovery tank and rinse all debris from the tray.
A hand lifting the yellow debris tray out of the recovery tank
Debris tray
  1. Close the recovery tank cover.
  2. Cylindrical scrub head: Remove and clean the debris trough. Place the trough back in the scrub head when clean.
Two hands pulling the debris trough out from the right side of the scrub head
Removing the debris trough

NOTE: The scrub head must be lowered approximately 1 in (25 mm) to remove debris trough.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​‍​​​‌​‍⁠⁠‌​‌‍⁠‌​​‍‌‍‌‍⁠⁠⁠⁠‌⁠​‍‍⁠‌

NOTE: The debris trough can be removed from the right side of the machine only.

  1. Raise the Rear bumper door / step.

Draining and cleaning the solution tank

Machines equipped with ES (Extended Scrub) only: Drain and clean the solution tank daily.

Clean the outside of the tank with vinyl cleaner.

  1. Drive the machine near a floor drain.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  2. Lower the rear bumper door / step.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 50, used with permission. SES ref PF-3WA2-JKVN‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​‍​​​‌​‍⁠⁠‌​‌‍⁠‌​​‍‌‍‌‍⁠⁠⁠⁠‌⁠​‍‍⁠‌
Tennant T17 (11-2025)Page 50 of 123
OPERATION
  1. Remove the solution tank drain hose from the solution tank.
Rear of the machine with an arrow pointing at the solution tank drain hose
Solution tank drain hose
  1. Hold the drain hose near a floor drain, twist the drain nozzle open, and place the hose near the floor drain.

    NOTE: Be sure the drain hose nozzle is pointed in a safe direction before opening the nozzle.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​⁠​​​‌​‍⁠⁠⁠‍‍⁠‍‌⁠‍‌⁠​‍⁠‌​‌‌‌⁠⁠⁠​⁠‍

Gloved hands holding the drain hose nozzle over a floor drain as water runs out, with a glove-required symbol at upper right
Opening the drain nozzle over a floor drain
  1. If necessary, twist the drain nozzle to another position to adjust the flow rate.
Close view of the drain nozzle with three arrows pointing at the positions to twist it
Adjusting the drain nozzle flow
  1. Twist the handle and lift the solution tank cover open and flush out the solution tank with clean water. Rinse the ES filter located at the bottom of the tank.
A gloved hand twisting the solution tank cover handle to open the cover
Opening the solution tank cover

NOTE: DO NOT use steam to clean the tanks. Excessive heat can damage the tanks and components.

Line drawing of the ES filter, a tall tube inside the solution tank, with an arrow pointing at it
ES filter in the solution tank
  1. To prevent leaks, clean the plug portion of the nozzle and the interior of the drain hose cuff.
The drain nozzle plug and the drain hose cuff laid on the floor, with arrows pointing at the plug and the inside of the cuff
Drain nozzle plug and hose cuff
  1. Twist the drain cuff closed and insert the drain hose back into the clip on the solution tank.
A hand inserting the drain hose into the clip on the side of the solution tank
Drain hose back in its clip
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 51, used with permission. SES ref PF-CU2C-UESS‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠​⁠​​​‌​‍⁠⁠⁠‍‍⁠‍‌⁠‍‌⁠​‍⁠‌​‌‌‌⁠⁠⁠​⁠‍
Tennant T17 (11-2025)Page 51 of 123
OPERATION
  1. Raise the Rear bumper door / step.

Turn off the machine

  1. Remove foot from the Propel pedal.
  2. Press the 1-Step button to stop scrubbing.
  3. Press the Brake pedal to stop the machine.
  4. Turn the Key switch to the OFF position and remove the key.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
Key switch with a curved arrow showing the key turned counterclockwise to the OFF position
Turning the key switch to OFF

Fault indicators / warning codes

In shortA fault or alert comes with an audible alarm. Turn the machine off, fix the cause, and restart to reset the indicator. Look up the code in the tables on the next pages, and call us at 800-440-6723 if the fault persists.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌​​​​‌​‍⁠⁠‍⁠‍‍⁠​​​⁠​⁠⁠‍‌⁠⁠​‌‌​⁠‌​​

The operator will receive a fault / alert warning when there is a mechanical / electronic issue with the machine.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌​​​​‌​‍⁠⁠‍⁠‍‍⁠​​​⁠​⁠⁠‍‌⁠⁠​‌‌​⁠‌​​

All fault codes are accompanied by an audible alarm to alert the operator a fault has occurred.

To reset the fault / alert indicators, turn off the machine and then eliminate the cause of the fault / alert. The fault / alert indicator will reset when the machine is restarted.

NOTE: Lithium-ion battery model (machine serial number 0016062 and below) - To clear fault code, turn key switch off and wait up to 3 seconds for machine power to completely shut off. Then turn key switch back on again.

NOTE: Lithium-ion battery model (machine serial number 0016063 and above) - To clear fault code, turn key switch off and wait up to 10 seconds for machine power to completely shut off. Then turn key switch back on again.

Refer to the fault / alert indicators table to determine the cause and remedy for the fault / alert.

Fault / alert indicators - standard panel

This machine is equipped with two visual indicators, a red indicator light and an LCD (liquid crystal display).

The red indicator light will blink continuously indicating that a fault has occurred.

Standard panel with an arrow pointing at the fault indicator light above the display and another pointing at the display
Standard panel fault indicator, S/N 000000-012999
Standard panel with a lit red fault indicator light and the display showing fault code 07B5 Alt LowVolt, with arrows pointing at the light, the code and the battery icon
Fault code on the LCD

The LCD will display a fault code. If there is more than one fault, each fault code will alternately display.

Fault / alert indicators - Pro-Panel

The fault / alert indicator button will flash continuously indicating a fault / alert has occurred. The multicolored background will change to a black background.

Pro-Panel with an arrow pointing at the yellow fault / alert indicator button at the top right
Pro-Panel fault / alert indicator button

Press the flashing red fault indicator button to view the faults. A fault / alert screen will appear in the display.

Press the flashing yellow alert indicator button to view the alerts. A fault / alert screen will appear in the display.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 52, used with permission. SES ref PF-MBHR-LS6M‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌​​​​‌​‍⁠⁠‍⁠‍‍⁠​​​⁠​⁠⁠‍‌⁠⁠​‌‌​⁠‌​​
Tennant T17 (11-2025)Page 52 of 123
OPERATION

Fault / alert text will appear under the icon in the center of the screen‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌‌​​​‌​‍⁠⁠⁠​⁠⁠‌​​‌​⁠‍​‍​⁠‌‌‍⁠‍‌​⁠⁠

Pro-Panel fault screen with a yellow stop-hand icon and the text 0107 Left Scrub Motor FET Fault
Fault / alert screen

Press right arrow button to scroll forward through the faults / alerts.

Press left arrow button to scroll back through the faults / alerts.

Press the home button to return to the main operating screen.

Press the back button to return to the previous screen.

Fault / warning codes (S/N 000000-012999)

Standard panel with an arrow pointing at the fault indicator above the display and another at the display
Standard panel display

Refer to the table below to determine the cause and remedy for the fault.

Fault Code (S/N 000000-012999) (Displayed in LCD)Cause(s)Remedy
F1: Rcv Tank Full#Recovery tank is fullEmpty recovery tank
F2: Sol Tank Empty#Solution tank is emptyFill solution tank
F3: Batt Very Low#Low battery chargeRecharge battery
F4: F/L Br Flt###Front left brush not operating

Turn off and restart machine.

If fault code still appears, stop using machine and contact Tennant service representative.

F5: R/R Br Flt###Right rear brush not operating
F6: Vac 1 Short#Vacuum fan 1 not operating
F7: Vac 2 Short#Vacuum fan 2 not operating
F8: Check Brushes#Brushes not operating

Check Brushes.

Replace excessively worn brushes. Turn off and restart machine.

If fault code still appears, stop using machine and contact Tennant service representative

F9: Propel Error#All scrub functions inoperable (1-Step does not function)

Turn off and restart machine.

If fault code still appears, stop using machine and contact Tennant service representative.

F10: Pickup Error#All scrub functions inoperable (1-Step does not function)
F11: Scrub Error#All scrub functions inoperable (1-Step does not function)
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 53, used with permission. SES ref PF-KC6Z-GQ7C‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌‌​​​‌​‍⁠⁠⁠​⁠⁠‌​​‌​⁠‍​‍​⁠‌‌‍⁠‍‌​⁠⁠
Tennant T17 (11-2025)Page 53 of 123
OPERATION
Fault Code (S/N 000000-012999) (Displayed in LCD)Cause(s)Remedy
W1: Batt. Low#Low battery charge.Charge batteries.
W2: Unavailable#Neither ES nor ec-H2O is enabled.Selected scrub mode (ES / ec-H2O) not available. Appears while machine is in transport mode (1-Step not enabled).
W3: No [Side / Sweep] Config#Side brush not enabled.Side brush not available. Pre-Sweep not available.
W4: Not Active#Selected function is inactive.Press the 1-Step button to activate all functions.
W5: Solution Off#Solution supply not enabled.Enable solution supply.
W6: Brake On#Parking brake is engaged.Release parking brake.
W7: Side Br Wrn###Scrubbing side brush inoperable.

Turn off and restart machine.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌‍​​​‌​‍⁠⁠⁠‌‌‌⁠⁠‍‌​‍⁠​‌‌​‍‌​⁠‌‍​​‌

If fault code still appears, stop using machine and contact Tennant service representative.

W8: L Side Br Short#Left sweeping side brush inoperable.
W9: R Side Br Short#Right sweeping side brush inoperable.
W10: L Sweep Br Shrt#Left Pre-Sweep brush inoperable.
W11: M Sweep Br Shrt#Main Pre-Sweep brush inoperable.
W12: R Sweep Br Shrt#Right Pre-Sweep brush inoperable.
W13: Open [Frnt/Left] Br#Front main brush inoperable.

Check corresponding circuit breaker. Check harness connection. Reconnect harness if it is unconnected.

If fault code still appears, stop using machine and contact Tennant service representative.

W14: Open [Rear/Rght] Br#Rear main brush inoperable.
W15: Open Side Brush#Scrubbing side brush inoperable.
W16: Open L Side Br#Left sweeping side brush inoperable.
W17: Open R Side Br#Right sweeping side brush inoperable.
W18: Open L Sweep Br#Left Pre-Sweep brush inoperable.
W19: Open M Sweep Br#Main Pre-Sweep brush inoperable.
W20: Open R Sweep Br#Right Pre-Sweep brush inoperable.
W21: Sweep Vac Shrt#Pre-Sweep vacuum fan inoperable.

Turn off and restart machine.

If fault code still appears, stop using machine and contact Tennant service representative.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 54, used with permission. SES ref PF-DRNU-4IOA‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌‍​​​‌​‍⁠⁠⁠‌‌‌⁠⁠‍‌​‍⁠​‌‌​‍‌​⁠‌‍​​‌
Tennant T17 (11-2025)Page 54 of 123
OPERATION
Fault Code (S/N 000000-012999) (Displayed in LCD)Cause(s)Remedy
W22: Open Vac 1#Vacuum fan 1 inoperable.

Check corresponding circuit breaker. Check harness connection. Reconnect harness if it is unconnected.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌⁠​​​‌​‍⁠⁠‌⁠‌​‌‍⁠‌‍‌‍‌⁠​⁠‍​‍​‌⁠​‌‍

If fault code still appears, stop using machine and contact Tennant service representative.

W23: Open Vac 2#Vacuum fan 2 inoperable.
W24: Open Sweep Vac#Pre-Sweep vacuum fan inoperable.
W25: SqueegeeStall#Rear squeegee not lowering.

Check squeegee / squeegee actuator for obstructions. Clear obstructions.

If fault code still appears, stop using machine and contact Tennant service representative.

W26: Side Stall#Scrubbing side brush / side brush motor is obstructed.

Check brush / brush motor for obstructions. Clear obstructions.

If fault code still appears, stop using machine and contact Tennant service representative.

W27: LSide Stall#Left sweeping side brush / side brush motor is obstructed.
W28: RSide Stall#Right sweeping side brush / side brush motor is obstructed.
W29: Sweep Stall#Pre-Sweep is not lowering.

Check Pre-Sweep actuator for obstructions. Clear obstructions.

If fault code still appears, stop using machine and contact Tennant service representative.

W30: DetPumpShort#Detergent pump inoperable.

Turn off and restart machine.

If warning code still appears, stop using machine and contact Tennant service representative.

W31: ES PumpShort#ES pump inoperable.
W32: SidePumpShrt#Scrubbing side brush pump inoperable.
W33: Ec Pump Shrt#ec-H2O pump inoperable.
W34: DetPumpOpen#Detergent pump inoperable.

Check corresponding circuit breaker. Check harness connection. Reconnect harness if it is unconnected.

If fault code still appears, stop using machine and contact Tennant service representative.

W35: ES PumpOpen#ES pump inoperable.
W36: SidePumpOpen#Scrubbing side brush pump inoperable.
W37: Ec Pump Open#ec-H2O pump inoperable.
W38: [Side / Sweep] Offline#Sweeping or scrubbing side brush, or Pre-Sweep inoperable.

Turn off and restart machine.

If warning code still appears, stop using machine and contact Tennant service representative.

W39: ECH2O Offline#ec-H2O system inoperable.

Turn off and restart machine.

If warning code still appears, stop using machine and contact Tennant service representative.

Note: Contact a Tennant Service representative for all other fault codes.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 55, used with permission. SES ref PF-RXZM-FWSX‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‌⁠​​​‌​‍⁠⁠‌⁠‌​‌‍⁠‌‍‌‍‌⁠​⁠‍​‍​‌⁠​‌‍
Tennant T17 (11-2025)Page 55 of 123
OPERATION

Fault / warning codes (S/N 013000- )

Standard panel with a lit red fault indicator light and the display showing fault code 07B5 Alt LowVolt, with arrows at the light, the code and the battery icon
Standard Panel
Pro-Panel fault screen with a yellow stop-hand icon and the text 0107 Left Scrub Motor FET Fault
Pro Panel

Refer to the table below to determine the cause and remedy for the fault.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍​​​​‌​‍⁠⁠​​‌‌​​‌‍​⁠​‍‍⁠‌​‌⁠‌​⁠‍‍‍

Fault code (S/N 013000- ) (Displayed in LCD)Cause(s)Remedy
0010 Parking Brake On#Parking brake is engaged.Release parking brake.
0701 ECH2O Flush Needed#Ec-H2O system plugged with impuritiesFlush ec-H2O system
0781 Detergent Tank Empty#Detergent tank is emptyFill detergent tank
0790 Solution Tank Empty#Solution tank is emptyFill solution tank
0791 Recovery Tank Full#Recovery tank is fullEmpty recovery tank
0792 Solution Off#Solution supply not enabled.Enable solution supply.
07A4 Seat Empty#Operator is not in seatReturn to seat
FF11 Low Battery Warning#Low battery charge.Charge battery
FF12 Very Low Battery Warning#Low battery chargeCharge battery
FFF0 E-Stop Pushed#Emergency stop engagedRelease emergency stop

Note: Contact a Tennant Service representative for all other fault codes.

Lithium-ion battery system service indicator codes (machines serial number 0016062 and below)

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 56, used with permission. SES ref PF-FVWA-FEXH‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍​​​​‌​‍⁠⁠​​‌‌​​‌‍​⁠​‍‍⁠‌​‌⁠‌​⁠‍‍‍
Tennant T17 (11-2025)Page 56 of 123
OPERATION
LED fault code
☼ = Flashing
O = Solid red
LCD fault codeCauseSolution
O ☼ ☼ ☼ ☼ ●0x0D00
0x0D0A
0x0D17→0x0D19
0x0D1A
0x0D0B
0x0D0F
0x0D20→0x0D29
0x0D2A
0x0D2B
0x0D35#
Battery management system (BMS) hardware faultContact service
O ☼ ☼ ☼ ●0x0D03#BMS over current charge protectionUnplug charger from AC power, wait 2 minutes and re-plug in charger. If fault code repeats, contact service.
0x0D04
0x0D05
0x0D15
0x0D16
0x0D24#
BMS over current faultLook for obstruction and restart machine. If fault code repeats, contact service.
O ☼ ☼ ● ☼0x0D01
0x0D0B
0x0D0D
0x0D0E
0x0D36#
BMS over current faultStop charging. Restart machine. If fault code repeats, contact service.
0x0D02
0x0D0C
0x0D0F#
BMS over current faultStop use of machine and recharge battery.
0x0D1C
0x0D1D
0x0D1E#
BMS cell deep discharge fault BMS cell imbalance fault BMS Module voltage delta errorContact service.
O ● ☼ ☼ ☼0x0D34#BMS CAN communication lostRestart machine. If fault code repeats, contact service
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 57, used with permission. SES ref PF-S7MP-TMXH‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍‌​​​‌​‍⁠⁠​⁠⁠‌‌⁠‌⁠​⁠‌​‍‍​‍​‍‍​⁠‌​​
Tennant T17 (11-2025)Page 57 of 123
OPERATION
LED fault code
☼ = Flashing
O = Solid red
LCD fault codeCauseSolution
O ● ● ● ☼0x0D06
0x0D11
0x0D38#
BMS over temperature protection faultStop charging. Move machine to cooler location. Allow battery to cool down before charging. If fault code repeats, contact service.
0x0D07
0x0D12
0x0D37#
BMS under temperature protection faultStop charging. Move machine to warmer location. Allow battery to warm up above 32°F (0°C) before charging. If fault code repeats, contact service.
0x0D08
0x0D13
0x0D3A#
BMS over temperature discharge faultStop operating machine. Move machine to cooler location. Allow battery to cool down before operating. If fault code repeats, contact service.
0x0D09
0x0D14
0x0D39#
BMS under temperature discharge faultStop operating machine. Move machine to warmer location. Allow battery to warm up above 32°F (0°C) before operating. If fault code repeats, contact service.
0x0D31
0x0D32
0x0D33#
BMS Bus Bar temperature faultStop operating or charging machine. Allow battery to cool down. If fault code repeats, contact service.

Note: See charger manual for Lithium-Ion battery system service indicator codes (machines serial number 0016063 and above)‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍‍​​​‌​‍⁠⁠​⁠⁠​‍‍​⁠​​‍​‌​​​‌‌​⁠⁠‍⁠‍

Corrected an obvious misprint: "machines serial number 016063 and above" printed as "016063" (now 0016063, as in the heading below it).

Lithium-ion battery system service indicator codes (machines serial number 0016063 and above)

Fault codeFault descriptionRemedy
0X0F00#BMS Generic FaultKey cycle, call service if fault persists
0X0F01#BMS External FaultKey cycle, call service if fault persists
0X0F02#BMS Supply FaultKey cycle, call service if fault persists
0X0F03#BMS Communication FaultKey cycle, call service if fault persists
0X0F04#BMS Temperature FaultKey cycle, call service if fault persists
0X0F05#BMS Voltage FaultKey cycle, call service if fault persists
0X0F06#BMS Current FaultKey cycle, call service if fault persists
0X0F07#BMS Internal FaultKey cycle, call service if fault persists
0X0F10#Battery Temperature FaultKey cycle, call service if fault persists
0X0F11#Battery Voltage FaultKey cycle, call service if fault persists
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 58, used with permission. SES ref PF-JMZM-D7TX‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍‍​​​‌​‍⁠⁠​⁠⁠​‍‍​⁠​​‍​‌​​​‌‌​⁠⁠‍⁠‍
Tennant T17 (11-2025)Page 58 of 123
OPERATION
Fault codeFault descriptionRemedy
0X0F12#Battery Data FaultKey cycle, call service if fault persists
0X0F13#Battery Internal FaultKey cycle, call service if fault persists
0X0F14#Battery Temperature High/Low WarningKey cycle, call service if fault persists
0X0F15#Battery Voltage High/Low WarningKey cycle, call service if fault persists
0X0F16#Battery Current High WarningKey cycle, call service if fault persists
0X0F17#Battery 0% State of Charge WarningCharge battery by connecting to designated charger
0X0F21#Battery RebalancingFully charge battery to rebalance cells
0X0F217#Battery Capacity MismatchWrong battery size is installed in machine, call service
0X0Ff27#BMS CAN Communication lostMachine CAN bus is not detecting battery. Ensure battery communication cable is installed, call service is fault persists

Options

In shortThis section covers the optional spray nozzle, high pressure washer, wet vacuum wand, live wand, rear squeegee guard, side brushes, pre-sweep, backup alarm and slide-out battery. Call us at 800-440-6723 for option parts.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍⁠​​​‌​‍⁠⁠‌⁠​‍‌​‌⁠⁠‍‍⁠⁠​‍⁠⁠​‌‌⁠⁠‍‌

Spray nozzle (option)

The spray nozzle is used to clean the machine and surrounding areas. The solution tank provides a water/solution supply for the spray nozzle.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍⁠​​​‌​‍⁠⁠‌⁠​‍‌​‌⁠⁠‍‍⁠⁠​‍⁠⁠​‌‌⁠⁠‍‌

FOR SAFETY: When servicing machine, do not power spray or hose off machine near electrical components.
FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Turn on the machine.
  2. Press the top of the Spray nozzle switch to turn on the spray nozzle. The light on the switch will come on when the spray nozzle is turned on.
Two switch panels, each with an arrow pointing at the spray nozzle switch
Spray nozzle switch
  1. Open the left shroud to access the spray nozzle.
  2. Pull the spray nozzle out from the back of the machine and clean as needed.
A gloved hand pulling the spray nozzle out from behind the left shroud, with glove and eye protection symbols
Pulling out the spray nozzle
  1. When finished cleaning, gently pull the hose and allow the spray nozzle hose to retract back into the machine.

    NOTE: Continue holding onto the spray nozzle and control the hose while it is retracting back into the machine. The machine and / or the spray nozzle assembly could be damaged if the spray nozzle hose is released and allowed to rapidly retract into the machine.

  2. Press the bottom of the Spray nozzle switch to turn off the water supply. The light on the switch will turn off when the spray nozzle is turned off.

NOTE: Be sure the Spray nozzle switch is turned off before continuing scrubbing. The spray nozzle pump could be damaged if the switch is left on while scrubbing.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 59, used with permission. SES ref PF-KR2S-JBW7‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠‍⁠​​​‌​‍⁠⁠‌⁠​‍‌​‌⁠⁠‍‍⁠⁠​‍⁠⁠​‌‌⁠⁠‍‌
Tennant T17 (11-2025)Page 59 of 123
OPERATION

High pressure washer (option)

In shortThe high pressure washer is for heavy duty cleaning. Do not put detergent in the solution tank when using it. Prime the pump before first use or after the solution tank was completely drained (page 61), and the washer will not run unless the parking brake is set.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠​​​​‌​‍⁠⁠‍​​‍⁠‌‌‌‌​⁠‍⁠‍​​⁠​⁠‍​‍‌​

The high pressure washer is used for heavy duty cleaning. Do not use detergent in the solution tank when using the pressure washer or pressure washer damage could occur.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠​​​​‌​‍⁠⁠‍​​‍⁠‌‌‌‌​⁠‍⁠‍​​⁠​⁠‍​‍‌​

NOTE: Before using the high pressure washer for the first time or if the solution tank was completely drained, prime the high pressure washer pump. See Priming the high pressure washer pump on page 61.

FOR SAFETY: When servicing machine, do not power spray or hose off machine near electrical components.
FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Turn off the machine and set the parking brake.

    NOTE: The high pressure washer will not operate unless the parking brake is set.

  2. Unlatch the hose tie down and remove the pressure washer hose from the machine.
A gloved hand unlatching the tie down on the coiled pressure washer hose, with a curved arrow
Unlatching the hose tie down
  1. Unlatch the pressure washer wand tie down and remove the wand from the machine.
A gloved hand unlatching the tie down on the pressure washer wand, with a curved arrow
Unlatching the wand tie down
  1. Connect the hose to the high pressure washer system.
Two arrows pointing at the hose fitting and the quick connect fitting on the high pressure washer system
Connecting the hose to the system
  1. Connect the other end of the hose to the wand.
Two arrows pointing at the hose end and the wand fitting as two hands connect them
Connecting the hose to the wand
  1. Adjust the nozzle on the wand to the desired setting.

    Pull the nozzle out for the Low pressure setting, or push the nozzle in for the High pressure setting. Twist the nozzle for either the Stream or Fan setting.

Wand nozzle with a yellow label showing arrows for Low and High pressure up and down, and Stream and Fan left and right
Wand nozzle settings
  1. Start the machine.
  2. Verify that the 1-STEP Scrub button is off.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 60, used with permission. SES ref PF-LZB5-AQS5‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠​​​​‌​‍⁠⁠‍​​‍⁠‌‌‌‌​⁠‍⁠‍​​⁠​⁠‍​‍‌​
Tennant T17 (11-2025)Page 60 of 123
OPERATION
The high pressure washer switch on the standard panel and on the Pro-Panel, each with an arrow pointing at it
Standard Panel and Pro-Panel
  1. Press the top of the High pressure washer switch to turn on the high pressure washer. The light on the switch will come on when the high pressure washer is turned on.
Two switch panels, each with an arrow pointing at the high pressure washer switch
High pressure washer switch
  1. If necessary, adjust the pressure. Turn the knob clockwise to increase pressure and counterclockwise to decrease pressure.
Pressure adjustment knob on the washer system with a curved plus arrow for clockwise and a curved minus arrow for counterclockwise
Pressure adjustment knob

NOTE: Adjust the pressure at the wand before adjusting it at the system.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠‌​​​‌​‍⁠⁠‍‌​⁠‍‌​⁠​‍⁠​⁠‌⁠‌⁠​​⁠‍​‍‍

  1. Squeeze the trigger to begin cleaning.
WARNING: Do not spray people or animals. Severe personal injury can result. Wear eye protection. Hold sprayer with two hands.
A person holding the wand with two hands, arrows pointing at the trigger and handle, with glove and eye protection symbols
Holding the wand with two hands
  1. When finished cleaning, release the trigger.
  2. Press the bottom of the Pressure washer switch to turn off the high pressure washer.
  3. Point the high pressure washer wand in a safe direction and squeeze the trigger to relieve pressure from the system.
  4. Turn off the machine.
  5. Disassemble the hose and wand and return them to the proper storage locations.

Priming the high pressure washer pump

The high pressure washer pump needs to be primed before operating for the first time or if the solution tank was completely drained. To prime the system, the solution pump must be run to bring water/solution to the high pressure washer pump before operating the high pressure washer pump.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Turn off the machine and set the parking brake.
  2. Chock the rear wheels.
  3. Connect the hose and wand to the high pressure washer system.
  4. Start the machine.
  5. Release the parking brake.

    Note: This prevents damaging the high pressure pump from operating with no water/solution in the pump.

  6. Press the top of the High pressure washer switch to activate the solution pump. The light on the switch will come on when the high pressure washer is turned on.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 61, used with permission. SES ref PF-BKCU-REY2‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠‌​​​‌​‍⁠⁠‍‌​⁠‍‌​⁠​‍⁠​⁠‌⁠‌⁠​​⁠‍​‍‍
Tennant T17 (11-2025)Page 61 of 123
OPERATION
Two switch panels, each with an arrow pointing at the high pressure washer switch
High pressure washer switch
  1. Squeeze and hold the trigger until water/solution flows out the wand.
A person holding the wand with two hands, arrows pointing at the trigger and handle, with glove and eye protection symbols
Squeezing the trigger until solution flows
  1. Release the trigger.
  2. Press the bottom of the high pressure washer switch to turn off the high pressure washer.
  3. Turn off the machine and set the parking brake.
  4. The high pressure washer pump is now primed.

Wet vacuum wand (option)

Use the vacuum wand to clean areas that are out of reach of the machine.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠‍​​​‌​‍⁠⁠⁠‍​‌‍‍‌‌​​​‍‍⁠​‌​⁠‍‍​⁠​‌

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.
FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Lower the rear bumper door / step.
  2. Remove the vacuum wand components from the storage tray located on top the battery compartment cover.
Storage tray on top of the battery compartment cover holding the vacuum wand tubes, hose and nozzle under a net
Vacuum wand storage tray
  1. Disconnect the vacuum hose from the rear squeegee.
A gloved hand pulling the vacuum hose off the rear squeegee, with a glove-required symbol
Disconnecting the vacuum hose
  1. Connect the vacuum wand hose to the rear squeegee vacuum hose.
Two arrows pointing at the wand hose and the rear squeegee vacuum hose as two hands connect them
Connecting the wand hose
  1. Connect the vacuum wand nozzle to the vacuum wand nozzle hose.
Gloved hands joining the vacuum wand nozzle to the nozzle hose
Connecting the nozzle
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 62, used with permission. SES ref PF-K7GW-PTOH‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠‍​​​‌​‍⁠⁠⁠‍​‌‍‍‌‌​​​‍‍⁠​‌​⁠‍‍​⁠​‌
Tennant T17 (11-2025)Page 62 of 123
OPERATION
  1. Insert and tighten the vacuum wand handle into the vacuum wand nozzle.
    Gloved hands tightening the vacuum wand handle into the vacuum wand nozzle
  2. Secure the vacuum wand hose collar to the vacuum hose handle.
    Hands securing the vacuum wand hose collar to the vacuum hose handle
  3. Extend the vacuum wand handle to the desired length and twist the vacuum wand handle to tighten.
    Hands extending and twisting the vacuum wand handle, with arrows showing the twist directions
  4. Turn on the machine.
  5. Press the Vacuum fan/squeegee button to turn on the vacuum fan. The squeegee will completely lower.
    Standard panel: Vacuum fan/squeegee button with arrows pointing to it
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the Vacuum fan/squeegee button
    Pro-Panel
  6. Vacuum the floor.
    Operator vacuuming the floor with the wet vacuum wand and hose
  7. When finished vacuuming, press the Vacuum fan/squeegee button to turn off the vacuum fan. The squeegee will raise.
  8. Turn off the machine.
  9. Disconnect the vacuum wand hose from the rear squeegee vacuum hose and disassemble the vacuum wand.
  10. Return the vacuum wand components to the storage tray located on top the battery compartment cover.
  11. Reconnect the vacuum hose to the rear squeegee.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 63, used with permission. SES ref PF-USRF-OO4X‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​​⁠⁠⁠​​​‌​‍⁠⁠‍‌⁠‌​‍​‌‌⁠‌‌⁠‌​⁠⁠‌‍‍⁠​⁠​
T17 Battery 4021237 Rev. 12 (11-2025)Page 63 of 123
OPERATION
  1. Lift the rear bumper door / step to the raised position and secure to the rear bumper.

Live wand (option)

In shortThe live wand is a separate dry vacuum for debris that could get tangled in the cleaning system. You can use it off the machine, or on the machine while you sit in the seat.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​​​​​‌​‍⁠⁠​⁠‌​⁠⁠‌​‍‍​⁠‌​⁠​​‌​⁠‍‌⁠⁠

The live wand uses a separate vacuum system to pick up dry debris that could get tangled in the cleaning system. The dry vacuum system can be used separately off the machine or on the machine with an operator sitting in the seat.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​​​​​‌​‍⁠⁠​⁠‌​⁠⁠‌​‍‍​⁠‌​⁠​​‌​⁠‍‌⁠⁠

Operating the live wand (off machine)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Remove the live wand from its storage location.
    Machine with an arrow pointing to the live wand in its storage location
    Operator holding the live wand and hose beside the machine
  2. Turn on the machine.
  3. Turn on the live wand switch.

    Note: The live wand will not operate while off the machine unless the machine parking brake is set.

    Hand pressing the live wand switch, with an arrow pointing to it
  4. Vacuum dry debris as needed.
  5. Turn off the live wand switch and return the live wand to storage location when finished.

Operating the live wand (on machine)

  1. Move the live wand from the storage location to the ready-to-use position.
    Arrows pointing to the live wand storage location and the ready-to-use position on the machine
  2. Turn on the live wand switch.

    Note: The live wand will not turn on until it is removed from the ready-to-use position.

    Hand pressing the live wand switch, with an arrow pointing to it
  3. Operate the machine normally until the live wand is needed.
    Operator driving the machine with the live wand hose stored in the ready-to-use position

Corrected an obvious misprint: "read-to-use position" printed as "read-to-use" in the note under step 2 (now "ready-to-use", as in step 1 on this page).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 64, used with permission. SES ref PF-NZ6G-EBW2‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​​​​​‌​‍⁠⁠​⁠‌​⁠⁠‌​‍‍​⁠‌​⁠​​‌​⁠‍‌⁠⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 64 of 123
OPERATION
  1. Lift the live wand from the ready-to-use position and vacuum dry debris as needed. The vacuum will start automatically.
    Operator on the machine lifting the live wand from the ready-to-use position to vacuum debris

    Note: The machine speed will decrease when the live wand is removed from the ready to use position.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​‌​​​‌​‍⁠⁠⁠⁠‍⁠​⁠‍​​⁠‍​⁠⁠⁠‌‌⁠‍‌⁠⁠​‌

  2. Place the live wand into the ready-to-use storage location when finished. Make sure the wand is secured properly which turns off the vacuum.

Emptying the live wand vacuum debris tray

In shortThe live wand collects dry debris in a tray. Empty it daily, and clean the live wand filter every 50 hours of operation.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​‌​​​‌​‍⁠⁠⁠⁠‍⁠​⁠‍​​⁠‍​⁠⁠⁠‌‌⁠‍‌⁠⁠​‌

The live wand collects dry debris in a vacuum debris tray. Empty the vacuum debris tray daily.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Unlatch and open the live wand vacuum cover.
    Arrows pointing to the two latches on the live wand vacuum cover
  2. Unlatch and remove the live wand hose.
    Live wand hose removed from the vacuum cover opening, with arrows pointing to the hose and a latch
  3. Hang the live wand hose on the hanging bracket.
    Arrow pointing to the hanging bracket where the live wand hose hangs
  4. Remove and empty the debris tray. Place the tray back in the vacuum chamber.
    Hand lifting the debris tray out of the vacuum chamber, with an arrow showing the direction
  5. Replace and latch the live wand vacuum hose.
  6. Close and latch the live wand vacuum cover.

Clean the live wand vacuum filter

Clean the live wand vacuum filter every 50 hours of operation.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Unlatch and open the live wand vacuum cover.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 65, used with permission. SES ref PF-E4IY-XH2I‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​‌​​​‌​‍⁠⁠⁠⁠‍⁠​⁠‍​​⁠‍​⁠⁠⁠‌‌⁠‍‌⁠⁠​‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 65 of 123
OPERATION
  1. Remove the live wand vacuum filter and use one of the following methods to clean the dust filter.
    Operator removing the live wand vacuum filter from the vacuum chamber, with an arrow pointing to the filter

    TAPPING - Tap the filter, with the dirty side down, gently on a flat surface. Do not damage the edges of the filter. The filter will not seal properly in the filter frame if the edges of the filter are damaged.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​‍​​​‌​‍⁠⁠⁠⁠⁠‌‍⁠​⁠‌​⁠​‌‌​​​‍⁠⁠⁠‍​⁠

    Dust filter held tilted with arrows pointing down at the dirty side, plus mask, eye protection and glove symbols

    AIR - Always wear eye protection when using compressed air. Blow air through the dust filter opposite the direction of the arrows. Never use more than 100 psi (690 kPa) of air pressure and never hold the nozzle closer than 2 in (50 mm) to the filter. This may be done with the dust filter in the machine.

    Blowing compressed air through the dust filter, plus mask, eye protection and glove symbols
  2. Reinstall the filter, close the live wand vacuum cover and latch it when finished.

Rear squeegee guard (option)

The rear squeegee protector helps protect the rear squeegee from being damaged.

Rear squeegee protector bar with an arrow pointing to it

To engage the rear squeegee protector, pull the pin, lower the protector bar, and reinsert the pin.

Hand pulling the pin on the rear squeegee protector, with an arrow pointing to the pin

Scrubbing or sweeping side brush (option)

The side brush moves debris into the path of the main brushes. Solution is dispensed with the side brush when the machine is equipped with the scrubbing side brush. No solution is dispensed with the side brush when the machine is equipped with the sweeping side brush.

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.
  1. Turn on the machine
  2. Press the top of the Side brush switch to enable the side brush assembly.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 66, used with permission. SES ref PF-ISZ7-PVZM‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​‍​​​‌​‍⁠⁠⁠⁠⁠‌‍⁠​⁠‌​⁠​‌‌​​​‍⁠⁠⁠‍​⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 66 of 123
OPERATION
Standard panel: arrows pointing to the Side brush switch and, on the lower panel, the 1-Step button
Standard Panel
Pro-Panel touchscreen with an arrow pointing to the 1-Step button
Pro-Panel
  1. Press the 1-Step button. The side brush assembly will lower with the main brush.

    NOTE: The 1-Step button controls the side brush assembly when the Side brush switch is in the On (top) position.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​⁠​​​‌​‍⁠⁠‌‍​⁠‍‍⁠​⁠​‍‍‍​‌⁠‍​⁠​‌​‌​

  2. Press the Propel pedal to begin scrubbing.
  3. Press the bottom of the Side brush switch to stop and raise the side brush.

Pre-Sweep assembly (option)

In shortThe Pre-Sweep is an optional front-mounted sweeper with a main brush, two side brushes and a debris hopper. Empty the hopper and check the vacuum debris bag regularly (see page 68).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​⁠​​​‌​‍⁠⁠‌‍​⁠‍‍⁠​⁠​‍‍‍​‌⁠‍​⁠​‌​‌​

The Pre-Sweep assembly is mounted to the front of the machine and gives the machine the added ability to pick up debris. The assembly contains a main brush and two side brushes which sweep debris into a debris hopper. Periodically empty the debris hopper and vacuum debris bag.

The machine may be operated with or without the Pre-Sweep assembly. Refer to PRE-SWEEP in the MAINTENANCE on page 71 section for maintenance.

WARNING: Flammable materials or reactive metals can cause an explosion or fire. Do not pick up.

Operate Pre-Sweep (option) with standard panel

  1. Turn on the machine
  2. Press the 1-Step button to scrub and operate the Pre-Sweep.

    Note: Do not press the 1-Step button if only using to sweep. The Pre-Sweep can be used without the scrubbing features.

  3. Press the top of the Pre-Sweep switch to start the Pre-Sweep without dust control. The top portion of the switch will illuminate.

    Press the bottom of the Pre-Sweep switch to start the Pre-Sweep with dust control. The bottom portion of the switch will illuminate.

    Note: The Pre-Sweep assembly will begin sweeping and the dust control system will start operating when the machine propels forward.

    Arrows pointing to the top and bottom of the Pre-Sweep switch on the standard panel
  4. Press the illuminated portion (top or bottom) of the Pre-Sweep switch to shut off the Pre-Sweep system and dust control system.

Operate Pre-Sweep (option) with Pro-Panel

  1. Turn on the machine
  2. Press the 1-Step button to scrub and operate the Pre-Sweep.

    Note: Do not press the 1-Step button if only using to sweep. The Pre-Sweep can be used without the scrubbing features.

  3. Press the Pre-Sweep brush button to start the Pre-Sweep without dust control.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 67, used with permission. SES ref PF-PWC2-MJF2‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​​⁠​​​‌​‍⁠⁠‌‍​⁠‍‍⁠​⁠​‍‍‍​‌⁠‍​⁠​‌​‌​
T17 Battery 4021237 Rev. 12 (11-2025)Page 67 of 123
OPERATION

Press the Pre-Sweep Vacuum button to start the Pre-Sweep dust control.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌​​​​‌​‍⁠⁠⁠​⁠​​‌⁠‌‌⁠‍‍⁠⁠⁠‍⁠⁠​⁠‌⁠​​

Pro-Panel touchscreen with arrows pointing to the Pre-Sweep brush button and the Pre-Sweep Vacuum button

Note: The Pre-Sweep assembly will begin sweeping and the dust control system will start operating when the machine propels forward.

  1. Press the Pre-Sweep brush or Pre-Sweep Vacuum button to shut off the Pre-Sweep system and dust control.

Empty the Pre-Sweep debris hopper

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Loosen both Pre-Sweep cover latches.
    Hand loosening a Pre-Sweep cover latch, plus glove symbol
  2. Lift the Pre-Sweep cover and engage the Pre-Sweep cover support to lock the cover open.
    Hands lifting the Pre-Sweep cover and engaging the cover support, with arrows
  3. Remove the debris hopper from the Pre-Sweep assembly and empty the hopper.
    Hands removing the debris hopper from the Pre-Sweep assembly
  4. Reinstall the debris hopper into the Pre-Sweep assembly.
  5. Check the vacuum debris bag. Replace the vacuum debris bag if it is full or damaged.
    Hands checking the vacuum debris bag, plus mask symbol
  6. Disengage the Pre-Sweep cover support and lower the Pre-Sweep cover.

Adjusting backup alarm volume (option)

FOR SAFETY: When using machine, follow site safety guidelines concerning backup alarms.

The backup alarm volume can be adjusted from 85–102 dB(A). To adjust the volume, remove the backup alarm cover and turn the volume knob.

Increase volume: Turn the knob clockwise.

Decrease volume: Turn the knob counter-clockwise.

Backup alarm beacon with a screwdriver at the cover, and the volume knob with minus and plus turn directions
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 68, used with permission. SES ref PF-WPON-ZV6E‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌​​​​‌​‍⁠⁠⁠​⁠​​‌⁠‌‌⁠‍‍⁠⁠⁠‍⁠⁠​⁠‌⁠​​
T17 Battery 4021237 Rev. 12 (11-2025)Page 68 of 123
OPERATION

Slide out battery (option)

In shortThe optional slide out battery lets you remove and replace the batteries quickly, using proper battery pulling and lifting equipment. The battery slide out height is 20 in (508 mm).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌‌​​​‌​‍⁠⁠​‌‌⁠‍​‍‍‍⁠​​‍‌⁠‍⁠‌⁠‌⁠​​‌

The slide out battery allows the operator a quick and easy way to remove and replace the batteries. Use proper battery pulling and lifting equipment and procedures based on the battery size and weight. See SPECIFICATIONS section. The battery slide out height is 20 in (508 mm).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌‌​​​‌​‍⁠⁠​‌‌⁠‍​‍‍‍⁠​​‍‌⁠‍⁠‌⁠‌⁠​​‌

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Lift the battery compartment cover open and engage the support.
    Hand pulling the battery side cable strap in the open battery compartment, with an arrow
  2. Open the right shroud.
    Right shroud opened, with an arrow showing the opening direction
  3. Disconnect the battery side cable connector from the machine by pulling down on the connector. Do not pull on the cables.
    Hand pulling down the battery side cable connector, with an arrow pointing down
  4. Remove the battery retainer plate from the machine.
    Hand lifting the battery retainer plate off the machine
  5. Position the battery cart near the battery compartment.
    FOR SAFETY: When servicing machine: Keep all metal objects off batteries. Use a non-conductive battery removal device. Use a hoist and adequate assistance when lifting batteries. Battery installation must be done by trained personnel. Follow site safety guidelines concerning battery removal.
  6. Slide the battery from the machine and onto the battery cart.
  7. Install the new battery into the battery compartment.
  8. Reinstall the battery retainer plate onto the machine. The retainer plate must press the switch completely down into the engaged position. The machine will not function if the switch is not engaged.
    Arrow pointing down at the battery retainer plate pressing the switch into the engaged position
  9. Close the battery compartment side cover and top cover.

Machine troubleshooting

The troubleshooting table continues on page 70.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 69, used with permission. SES ref PF-A6AS-ZHSJ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌‌​​​‌​‍⁠⁠​‌‌⁠‍​‍‍‍⁠​​‍‌⁠‍⁠‌⁠‌⁠​​‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 69 of 123
OPERATION

Machine troubleshooting

ProblemCauseRemedy
Reduced run timeBattery not fully chargedCharge battery until the charger automatically turns off
Defective batteryReplace batteryParts ›
Batteries need maintenanceSee BATTERIES in MAINTENANCE
Faulty battery chargerReplace battery chargerParts ›
ES System does not operateES button is turned offTurn on ES button
ES sensor in tank dirty or not in correct positionClean / reposition sensor
Clogged ES pump filterClean ES filterParts ›
Water level in recovery tank too lowFill recovery tank approximately half full
Water level in solution tank too lowFill solution tank
ec-H2O Model:
Warning and fault indicator light blinking red
Mineral deposit build-up in moduleFlush module (See ec-H2O MODULE FLUSH PROCEDURE on page 101
ec-H2O Model:
Warning and fault indicator light solid red
Clogged moduleContact Tennant service representative
Defective solution pumpReplace solution pumpParts ›
High pressure washer does not operateParking brake not setSet parking brake
Thermal switch tripped on high pressure pump motorLet cool down
Solution pump circuit trippedReset circuit breaker
Switch was on when machine was startedTurn off / turn on switch
High pressure washer spraying low pressureSpray nozzle set to low pressureAdjust spray nozzle setting
Spray pump pressure knob turned downAdjust the spray pump pressure knob
Poor live wand vacuum performanceClogged hoseRemove clog
Torn seals on dry vacuum systemReplace sealsParts ›
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 70, used with permission. SES ref PF-VSIW-5ETP‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌‍​​​‌​‍⁠⁠‍⁠⁠‍‌​⁠⁠​​‍‌⁠‍⁠‌​‌​‍​​‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 70 of 123
MAINTENANCE

Maintenance

In shortThe figure below numbers every maintenance point on the machine, and the chart on page 72 uses those numbers (the Key column) to tell you what to check and how often. For service beyond what your operators do, call us at 800-440-6723.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌⁠​​​‌​‍⁠⁠​‌‌​​‌‍⁠‍‌‍‌​⁠​‍‌‍⁠​⁠​⁠⁠
Numbered key to the maintenance points on the machine: squeegees, brushes, tanks, filters, battery, Pre-Sweep and live wand locations

Maintenance chart

The table below indicates the Person Responsible for each procedure.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌⁠​​​‌​‍⁠⁠​‌‌​​‌‍⁠‍‌‍‌​⁠​‍‌‍⁠​⁠​⁠⁠

O = Operator.

T = Trained Personnel.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 71, used with permission. SES ref PF-7EBL-KI52‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‌⁠​​​‌​‍⁠⁠​‌‌​​‌‍⁠‍‌‍‌​⁠​‍‌‍⁠​⁠​⁠⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 71 of 123
MAINTENANCE

Maintenance chart

IntervalPerson Resp.KeyDescriptionProcedureLubricant/ FluidNo. of Service Points
DailyO1Side and rear squeegeesCheck for damage and wear. Check deflection.Parts ›–4
O2Main brushesCheck for damage, wear, and debrisParts ›–2
O3Recovery tankClean tank, top sensor, and check cover seal–1
O4Solution tankCheck cover seal–1
O3ES machines only: Recovery tankClean filter at bottom of tank and second lower sensor.–2
O4ES machines only: Solution tankClean tank and level sensor–1
O5Vacuum fan inlet filter, screen, and debris trayClean–1
O6Cylindrical brushes only: Debris trayClean–1
O20Sweeping or scrubbing side brush (Option)Check for damage, wear, debrisParts ›–1 (2)
O20Scrubbing side brush squeegee (Option)Check for damage and wearParts ›–1
O13Pre-Sweep side brushes (Option)Check for damage, wear, debrisParts ›–2
O16Pre-Sweep main brush (Option)Check for damage, wear, debrisParts ›–1
O17Pre-Sweep debris hopper (Option)Clean–1
O26Live wand vacuum debris tray (Option)Clean–1
WeeklyT8Battery cellsCheck electrolyte levelDWMultiple
50 HoursT1Side and rear squeegeesCheck levelingParts ›–4
O16, 17Pre-Sweep skirts and seals (Option)Check for damage and wearParts ›–4
O2Main brushes (cylindrical)Rotate brushes from front to rearParts ›–2

Lubricant/fluid

DW … Distilled water.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍​​​​‌​‍⁠⁠‌‌⁠‍‍​​⁠‌‍‌‍‍​‌⁠​⁠‍⁠⁠⁠‍​

SPL ... Special lubricant, Lubriplate EMB grease (Tennant part number 01433-1)

GL ... SAE 90 weight gear lubricant

NOTE: More frequent maintenance intervals may be required in extremely dusty conditions.

Corrected an obvious misprint: "Pre-Sweep main bush" printed as "bush" (now "brush", as in "main brush" on page 67).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 72, used with permission. SES ref PF-X4WS-RL7J‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍​​​​‌​‍⁠⁠‌‌⁠‍‍​​⁠‌‍‌‍‍​‌⁠​⁠‍⁠⁠⁠‍​
T17 Battery 4021237 Rev. 12 (11-2025)Page 72 of 123
MAINTENANCE

Maintenance chart (continued)

IntervalPerson Resp.KeyDescriptionProcedureLubricant/ FluidNo. of Service Points
50 HoursO14Scrub head skirts (disk)Check skirts for damage and wearParts ›–2
O24Solution supply filterCheck screen and cleanParts ›–1
T25High pressure washer (Option – only first 50 hours)Change oilParts ›Hydo3
O26Live wand vacuum seals (Option)Check for damage and wearParts ›–3
100 HoursT8Battery watering system (option)Check hoses and connections for damage and wear–Multiple
200 HoursT23BrakesCheck adjustments–1
T8Battery terminals and cablesCheck and clean–2
T9Cylindrical brush drive beltsCheck for damage and wearParts ›–2
T18Pre-Sweep brush drive beltCheck for damage and wearParts ›–1
T22Drive wheel pivotLubricateSPL1
T15Steering chainLubricate, check tension, and check for damage and wear.GL1
T10Steering gear chainLubricate, check tension, and check for damage and wear.GL1
500 HoursT11Vacuum fan motorsCheck motor brushesParts ›–2
O12TiresCheck for damage and wearParts ›–3
1000 HoursT21Sweeping side brush motorsCheck motor brushes (Check every 100 hours after initial 1000 hour check)Parts ›–1 (2)
T18Pre-Sweep main brush motor (Option)Check motor brushes (Check every 100 hours after initial 1000 hour check)Parts ›–1
T19Pre-Sweep side brush motors (Option)Check motor brushes (Check every 100 hours after initial 1000 hour check)Parts ›–2

Lubricant/fluid

DW …. Distilled water.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍‌​​​‌​‍⁠⁠​⁠‍⁠‌‍⁠⁠⁠‌⁠⁠⁠‍‍‌​⁠‍⁠⁠‍​‌

SPL ... Special lubricant, Lubriplate EMB grease (Tennant part number 01433-1)

GL …. SAE 90 weight gear lubricant

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 73, used with permission. SES ref PF-757R-M6HI‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍‌​​​‌​‍⁠⁠​⁠‍⁠‌‍⁠⁠⁠‌⁠⁠⁠‍‍‌​⁠‍⁠⁠‍​‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 73 of 123
MAINTENANCE

HYDO Tennant True premium hydraulic fluid or equivalent‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍‍​​​‌​‍⁠⁠‍​⁠​​⁠‍⁠‌‍‌⁠​⁠‍⁠‍‌​​‍​‍‌

NOTE: More frequent maintenance intervals may be required in extremely dusty conditions.

Yellow touch points

In shortYellow touch points mark simple service items that need no tools. The lubrication points on this page (steering chain, steering gear chain and drive wheel pivot) are each serviced every 200 hours.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍‍​​​‌​‍⁠⁠‍​⁠​​⁠‍⁠‌‍‌⁠​⁠‍⁠‍‌​​‍​‍‌

This machine features easy to find yellow touch points for simple service items. No tools are required to perform these maintenance operations.

Yellow touch points at the rear of the machine, with arrows pointing to each one

Lubrication

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

Steering chain

The steering chain is located on the steering column directly under the control panel. Check for damage or wear and lubricate the steering chain after every 200 hours.

Steering chain under the control panel, with an arrow pointing to it

Steering gear chain

The steering gear chain is located directly above the front tire. Check for damage or wear and lubricate the steering gear chain after every 200 hours.

Steering gear chain above the front tire, with an arrow pointing to it

Drive wheel pivot

The drive wheel pivot is located directly above the drive wheel. Lubricate the drive wheel pivot after every 200 hours.

Drive wheel pivot above the drive wheel, with an arrow pointing up at the lubrication point

High pressure washer oil

Change the high pressure washer oil after the initial 50 hours of high pressure washer operation.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 74, used with permission. SES ref PF-AVS4-H4W6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍‍​​​‌​‍⁠⁠‍​⁠​​⁠‍⁠‌‍‌⁠​⁠‍⁠‍‌​​‍​‍‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 74 of 123
MAINTENANCE

NOTE: Remove high pressure washer cover to access both the high pressure washer drain plug and vented fill cap.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍⁠​​​‌​‍⁠⁠‌‌​‌​​‍‍‌‍‍‌⁠‍‌⁠‍‌‍‌‍‍​⁠

High pressure washer cover with an arrow pointing to the pump area behind it
Drawing of the high pressure washer pump with arrows pointing to the drain plug and the vented fill cap

Batteries

In shortCheck flooded (wet) battery electrolyte weekly and add distilled water only as described here; do not charge more than once a day. Maintenance-free batteries do not need watering but still need cleaning and routine maintenance.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍⁠​​​‌​‍⁠⁠‌‌​‌​​‍‍‌‍‍‌⁠‍‌⁠‍‌‍‌‍‍​⁠

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

Flooded (wet) and maintenance free sealed lead–acid batteries

The lifetime of the batteries depends on their proper maintenance. To get the most life from the batteries;

  • Do not charge the batteries more than once a day and only after running the machine for a minimum of 15 minutes.
  • Do not leave the batteries partially discharged for long period of time.
  • Only charge the batteries in a well-ventilated area to prevent gas build up. Charge batteries in areas with ambient temperatures 80°F (27°C) or less.
  • Allow the charger to complete charging the batteries before re-using the machine.
  • Maintain the proper electrolyte levels of flooded (wet) batteries by checking levels weekly.

Checking the electrolyte level

The flooded (wet) lead-acid batteries require routine maintenance as described below. Check the battery electrolyte level weekly.

Note:

Do Not check the electrolyte level if the machine is equipped with the battery watering system. Proceed to the BATTERY WATERING SYSTEM (OPTION).

Drawing of a battery cell with an arrow pointing to the fill cap, plus glove and eye protection symbols
08247
FOR SAFETY: When servicing machine, keep all metal objects off batteries. Avoid contact with battery acid.

The level should be slightly above the battery plates as shown before charging. Add distilled water if low. DO NOT OVERFILL. The electrolyte will expand and may overflow when charging. After charging, distilled water can be added up to about 0.12 in (3 mm) below the sight tubes.

Battery cells before charging with the electrolyte just above the plates, and after charging with the level near the sight tubes

Note: Make sure the battery caps are in place while charging. There may be a sulfur smell after charging batteries. This is normal.

Maintenance-free batteries

Maintenance-free batteries do not require watering. Cleaning and other routine maintenance is still required.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 75, used with permission. SES ref PF-VVZ6-MBRT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​‍⁠​​​‌​‍⁠⁠‌‌​‌​​‍‍‌‍‍‌⁠‍‌⁠‍‌‍‌‍‍​⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 75 of 123
MAINTENANCE

Checking connections / cleaning

After every 200 hours of use check for loose battery connections and clean the surface of the batteries, including terminals and cable clamps, with a strong solution of baking soda and water. Replace any worn or damaged wires. Do not remove battery caps when cleaning batteries‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠​​​​‌​‍⁠⁠​‍‌​⁠‌‍‌‌‍‍⁠​⁠⁠⁠‌‍‌‍⁠‍‌​

Battery cleaning supplies: two batteries with a scrub brush, safety glasses, rubber gloves, a measuring cup and baking soda

Lithium–ion battery pack

The lithium-ion battery pack is a maintenance-free battery protected by a battery management system (BMS). To achieve the maximum battery life, carefully follow the instructions below:

  • Carefully follow the Important Safety Instructions section in the manual when using the Lithium-ion Battery Model.
  • Only use the lithium-ion battery charger supplied with machine.
  • Charge battery pack in well-ventilated areas. For best charging performance, charge the battery pack in temperatures below 80°F (27°C) and above 32°F (0°C). Battery pack may shut down and not take a charge in elevated or freezing temperatures.
  • If the red light begins to flash, the scrub function will automatically be disabled. This allows the user to use the remaining power to propel the machine back to charging station.
  • When the machine shuts down due to a depleted battery pack, do not repeatedly cycle the key on and off. This may cause permanent battery pack damage. Recharge battery pack immediately to avoid damage.
  • To interrupt opportunity charging (i.e. partial charging cycle of a half hour or more) on machines serial number 0016063 and above, press the power button on the charger and ensure the current output displays 0A before unplugging the charge connector. Failure to pause charger before disconnecting battery can accelerate connector wear.
  • Do not operate machines serial number 0016062 and below in temperatures above 110°F (43°C) or below -4°F (-20°C). Machine may shutdown if exceed these temperatures.
  • Do not operate machines serial number 0016063 and above in temperatures above 104°F (40°C) or below 32°F (0°C). Machine may shutdown if exceed these temperatures.
  • When removing or replacing the lithium-ion battery pack, use non-conductive lifting straps positioned at all four lift points with straps angled at 45° or greater when hoisting battery pack.
  • Contact Tennant Service for lithium-ion battery service and replacement.

Charging the batteries

Important: Before charging, make sure that the charger setting is properly set for the battery type.

Note: Use a charger with the proper rating for the batteries to prevent damage to the batteries or reduce the battery life.

  1. Drive the machine to a flat, dry surface in a well-ventilated area.
  2. Stop the machine and turn off the machine power.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  3. Lift the battery compartment top cover open and engage the support.

    Note: Make sure the batteries have the proper electrolyte level before charging. See CHECKING THE ELECTROLYTE LEVEL on page 75.

  4. Plug the charger AC power supply cord into a properly grounded outlet.
  5. Connect the charger connector to the battery charging port on machines equipped with Triathalon lithium-ion batteries machine serial number 0016063 and above.
    Hand plugging the charger connector into the battery charging port, with an arrow pointing to the port

Note: DO NOT disconnect the battery side cable connector on machines equipped with Triathalon lithium-ion batteries machine serial

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 76, used with permission. SES ref PF-CGVU-SYLI‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠​​​​‌​‍⁠⁠​‍‌​⁠‌‍‌‌‍‍⁠​⁠⁠⁠‌‍‌‍⁠‍‌​
T17 Battery 4021237 Rev. 12 (11-2025)Page 76 of 123
MAINTENANCE

Note: DO NOT disconnect the battery side cable connector on machines equipped with Triathalon lithium-ion batteries machine serial number 0016063 and above. Use battery charging port to connect charger.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠‌​​​‌​‍⁠⁠​‍‍‌​‍⁠‌​‍‍⁠‍‌⁠⁠‌‌​‍⁠⁠​⁠

  1. Disconnect the battery side cable connector from the machine by pulling down on the connector or the battery quick-disconnect lever (option). Do not pull on the cables.
    Hand pulling down the battery side cable connector, with an arrow pointing down
    Hand pulling down the battery quick-disconnect connector, with an arrow pointing down
  2. Connect the charger connector to the battery cable on machines equipped with FLA batteries, or Lithium-Ion batteries on machine serial number 0016062 and below.

To charge with Tennant branded charger

  1. Turn on the battery charger if required.
    Hand switching on the battery charger breaker, with an arrow showing the direction
    Tennant charger display showing CHARGE, with arrows pointing to both sides of the screen
    Warning: Batteries emit hydrogen gas. Explosion or fire can result. Keep sparks and open flame away. Keep covers open when charging.

    Note: If there are charger fault codes when the battery is plugged into the battery charger, the fault codes will appear at the bottom of the charger display. Refer to the battery charger manual for fault code definitions.

  2. Observe the charger display. CHARGE appears on the display when the battery is charging. This is the charger default screen.
    Charger front panel with an arrow pointing to the default CHARGE screen and four status indicator lights

    Charger Display:

    Charger display with callout letters A to G marking each field
    Charger display

    A. Charge profile number
    B. Charger rating (Volts and Current)
    C. Battery voltage (Volts)
    D. Charger current (Amperes)
    E. Ampere hours charged
    F. Time charged (hours / minutes / seconds)
    G. Charging phase (Phase 1 / Phase 2 / Phase 3 / Maintenance)

  3. If necessary, press the navigation buttons to access additional screens. Press the charger stop / start / enter button to enter selection. The charger will return to the default screen. Refer
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 77, used with permission. SES ref PF-24XA-FPG2‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠‌​​​‌​‍⁠⁠​‍‍‌​‍⁠‌​‍‍⁠‍‌⁠⁠‌‌​‍⁠⁠​⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 77 of 123
MAINTENANCE

to manufacturers operator manual for additional information.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠‍​​​‌​‍⁠⁠‍⁠‌​⁠‌​‌‌‍​‌⁠‍‍​‍‍‍⁠‌‍⁠‍

Charger front panel with arrows pointing to the up and down navigation buttons and the stop / start / enter button

Note: If the charger cable must be disconnected from the battery before they are fully charged, press the charger stop / start / enter button to stop charging. Be sure STOP appears on the display and the red stop charge light is illuminated before disconnecting the battery charger cable.

Charger display showing STOP, with arrows pointing to the stop / start / enter button and the display
  1. The charger status indicators will illuminate from left to the right as the battery is charging. COMPLETE will appear in the display, all the charger status indicators will be illuminated, and the Tennant charger will stop charging when the battery is completely charged.
    Three arrows pointing to the charger status indicators that illuminate from left to right
  2. After the batteries have completely charged, disconnect the charger connector from the battery cable connector.
    Hands pulling the charger connector apart from the battery cable connector, with arrows showing the directions
  3. Reconnect the battery connector to the machine connector.
    Hand pushing the battery connector up into the machine connector, with an arrow pointing up
    Three views of the battery quick-disconnect lever being closed to lock the connector
    FOR SAFETY: When servicing machine do not disconnect the off-board charger's DC cord from the machine receptacle when the charger is operating. Arcing may result. If the charger must be interrupted during charging, disconnect the AC power supply cord first.
  4. Close the battery compartment top cover.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 78, used with permission. SES ref PF-DH7N-TRSA‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠‍​​​‌​‍⁠⁠‍⁠‌​⁠‌​‌‌‍​‌⁠‍‍​‍‍‍⁠‌‍⁠‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 78 of 123
MAINTENANCE

To charge with EnerSys battery charger

In shortTurn on the charger, confirm the charging indicator lights, and let the charger finish before you disconnect. If you must stop early, press the stop / start / enter button first.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠⁠​​​‌​‍⁠⁠‍‍‌​‌‌‌‌⁠⁠​‍⁠‍⁠‌‍​⁠⁠⁠‍‌‍

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

  1. Turn on the battery charger if required.
    EnerSys charger front panel with an arrow pointing to the power button
    Warning: Batteries emit hydrogen gas. Explosion or fire can result. Keep sparks and open flame away. Keep covers open when charging.

    Note: If there are charger fault codes when the battery is plugged into the battery charger, the fault codes will appear at the bottom of the charger display. Refer to the battery charger manual for fault code definitions.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠⁠​​​‌​‍⁠⁠‍‍‌​‌‌‌‌⁠⁠​‍⁠‍⁠‌‍​⁠⁠⁠‍‌‍

    EnerSys charger display showing a DF1 fault, with an arrow pointing to the fault screen
  2. Observe the charger display. The charging indicator will illuminate on the display when the battery is charging. This is the charger default screen.
    EnerSys charger front panel with an arrow pointing to the yellow charging indicator

    Charger Display:

    EnerSys charger display with callout letters A to G marking each field
    Charger display

    A. Charge profile number
    B. Charger rating (Volts and Current)
    C. Battery voltage (Volts)
    D. Charger current (Amperes)
    E. Ampere hours charged
    F. Time charged (hours / minutes / seconds)
    G. Percent of charge

  3. If necessary, press the navigation buttons to access additional screens. Press the charger stop / start / enter button to enter selection. The charger will return to the default screen. Refer to manufacturers operator manual for additional information.
    EnerSys charger front panel with arrows pointing to the navigation buttons and the stop / start / enter button

    Note: If the charger cable must be disconnected from the battery before they are fully charged, press the charger stop / start / enter button to stop charging. Be sure the charging indicator is no longer illuminated before disconnecting the battery charger cable.

    Charger display showing STOP, with arrows pointing to the stop button and the display
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 79, used with permission. SES ref PF-FLVU-RDE2‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌​⁠⁠​​​‌​‍⁠⁠‍‍‌​‌‌‌‌⁠⁠​‍⁠‍⁠‌‍​⁠⁠⁠‍‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 79 of 123
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  1. The yellow charging indicator will illuminate while the battery is charging. Once the charger is complete the yellow charging indicator light will go out and the green charge complete indicator will be illuminated. The charger will stop charging when the battery is completely charged.
    Two views of the EnerSys charger: arrow pointing to the lit yellow charging indicator, and arrow pointing to the lit green charge complete indicator
  2. After the batteries have completely charged, disconnect the charger connector from the battery cable connector.
    Hands pulling the charger connector apart from the battery cable connector, with arrows showing the directions
  3. Reconnect the battery connector to the machine connector.
    Two views of reconnecting the battery connector to the machine connector, with arrows showing the motions
    FOR SAFETY: When servicing machine do not disconnect the off-board charger's DC cord from the machine receptacle when the charger is operating. Arcing may result. If the charger must be interrupted during charging, disconnect the AC power supply cord first.
  4. Close the battery compartment top cover.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

To charge with Triathlon battery charger

In shortThe Triathlon charger is used for the lithium-ion batteries on machines with serial number 0016063 and above. The table below shows what each light pattern on its panel means.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​​​​​‌​‍⁠⁠‍‌‌​⁠‌⁠⁠​‌​‌​⁠‍​⁠​⁠⁠‌​​⁠

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

The Triathlon battery charger is used to charge the Lithium-Ion batteries supplied on machines serial number 0016063 and above. Please see the battery charger manufacturer's operating manual for further information.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​​​​​‌​‍⁠⁠‍‌‌​⁠‌⁠⁠​‌​‌​⁠‍​⁠​⁠⁠‌​​⁠

The battery charger operates at different states throughout the charging cycle. The different charging states can be see below.

Triathlon battery charger front panel with a display, a column of five status lights, a fault symbol and a power button
LightsCharger state
No battery
Five stacked lights, third from the top lit yellowBattery SOC<80%
Five stacked lights, second from the top lit yellowBattery SOC>80%
Five stacked lights, top light lit greenEnd of charge
Five stacked lights, top light green and second light yellowEnd of charging/Balancing
Five stacked lights, top light green and third light yellowPause mode (LEDs flashing alternately)
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 80, used with permission. SES ref PF-WSCJ-UMJI‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​​​​​‌​‍⁠⁠‍‌‌​⁠‌⁠⁠​‌​‌​⁠‍​⁠​⁠⁠‌​​⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 80 of 123
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  1. Press the pause/unpause button to turn on charging.
    Triathlon charger panel with an arrow pointing to the pause/unpause button

    Note: If there are charger fault codes when the battery is plugged into the battery charger, the fault codes will appear on the charger display. Refer to the manufactures battery charger manual for fault code definitions.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‌​​​‌​‍⁠⁠‍​‍​​⁠⁠⁠‍​​‌⁠‍‍​‌‌‌‌​​‍‍

  2. The yellow charging indicator will illuminate the lower than 80 percent at first if the machine's battery was plugged in at this level. While the battery is charging, the greater than 80 percent indicator light with illuminate when it gets to that level. Once the charger is complete, the green charge complete indicator will be illuminated. The charger will stop charging when the battery is completely charged.
    Three views of the charger lights: arrows pointing to the yellow lower-than-80-percent light, the yellow greater-than-80-percent light, and the green charge complete light

    Note: Do not disconnect the battery cable without pausing the battery charger. If the charging process must be interrupted during the charging process, press the pause button to stop the charge. Verify the charger current output is 0A, then remove the charging cable from the battery charging port. Failure to pause charger before disconnecting battery can accelerate connector wear.

    Charger panel with an arrow pointing to the pause button, with the green and yellow lights lit
  3. After the batteries have completely charged, disconnect the charger connector from the battery cable connector.
    Hand pulling the charger connector out of the battery charging port, with an arrow showing the direction
  4. Close the battery compartment top cover.

Battery charger USB port

The battery charger USB port is for maintenance computer access to the charger by authorized service personnel only. Do Not plug cell phones or other unauthorized electronic devices into the battery charger USB port. Do Not plug anything into the USB port while the battery is charging.

Tennant charger with arrows pointing to the USB port on the side and the USB symbol on the charger panel

Battery watering system (option)

In shortThe optional battery watering system makes it easy to keep the right electrolyte level. Check its hoses and connections every 100 hours (see page 82).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‌​​​‌​‍⁠⁠‍​‍​​⁠⁠⁠‍​​‌⁠‍‍​‌‌‌‌​​‍‍

The optional battery watering system provides a safe and easy way to maintain the proper electrolyte levels in the batteries.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 81, used with permission. SES ref PF-2BKI-JDWD‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‌​​​‌​‍⁠⁠‍​‍​​⁠⁠⁠‍​​‌⁠‍‍​‌‌‌‌​​‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 81 of 123
MAINTENANCE

Check the battery watering system hoses and connections for damage or wear after every 100 hours.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‍​​​‌​‍⁠⁠‍‌⁠‍‌⁠⁠‍‌​‌‍‌⁠‍⁠‌‌⁠​‍‌‍‍

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Lift the battery compartment cover open and engage the support.
    Hand lifting the strap in the open battery compartment, with an arrow pointing to it
  2. Fully charge batteries prior to using the battery watering system. Do not add water to batteries before charging, the electrolyte level will expand and may overflow when charging. See CHARGING THE BATTERIES on page 76.
  3. Connect the battery watering system hose to the water supply source.

    Important: Water quality is important to maintain the life of the battery. Always use water that meets battery manufacturer requirements.

    Important: The water supply to the battery water system must always be 2 GPM (7.57 LPM) or more. Use the purger to confirm the water supply pressure. Refer to manufacturer Operator Manual for additional information.

  4. Connect the battery watering system hose to the battery fill hose.
    Hands connecting the battery watering system hose to the battery fill hose, with arrows, plus glove and eye protection symbols
  5. Turn on the water supply. The indicator inside the flow indicator will spin. The indicator stops spinning when the batteries are full.
    Flow indicator in the water hose with a red spinner and arrows showing it rotating
  6. Disconnect the battery watering system hose from the water supply hose.
  7. Turn off the water supply.
  8. After adding water, return the battery watering system hose to the storage location for future use.

Fuel cell battery (option)

Machines can be equipped for use with fuel cell battery systems. Contact the fuel cell battery provider for all fuel cell battery information.

Machine side panel with an arrow pointing to the fuel cell battery access opening

Circuit breakers, fuses, and relays

In shortCircuit breakers reset by hand with the reset button once they have cooled down. The chart on page 83 lists each breaker, its rating and the circuit it protects.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‍​​​‌​‍⁠⁠‍‌⁠‍‌⁠⁠‍‌​‌‍‌⁠‍⁠‌‌⁠​‍‌‍‍

Circuit breakers

Circuit breakers are resettable electrical circuit protection devices designed to stop the flow of current in the event of a circuit overload. Once a circuit breaker is tripped, reset it manually by pressing the reset button after the breaker has cooled down.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 82, used with permission. SES ref PF-ZGHH-GGOA‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​‍​​​‌​‍⁠⁠‍‌⁠‍‌⁠⁠‍‌​‌‍‌⁠‍⁠‌‌⁠​‍‌‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 82 of 123
MAINTENANCE

Circuit breakers 1 through 9 are located under the operator seat behind the battery compartment side cover.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​⁠​​​‌​‍⁠⁠​‌​​‍‌‌‌​‍‌‍‍‌‍‍‍⁠‌‍‌‌‌⁠

Circuit breaker panel under the operator seat with breakers CB1 to CB9

Circuit breakers 10 through 15 are located behind the steering shroud access panel.

Circuit breakers 10 through 15 behind the steering shroud access panel, with an arrow pointing to the row of breakers

Circuit breaker 16 is located inside the optional light assembly mounted on top of the recovery tank.

Circuit breaker 16 inside the optional light assembly, with an arrow pointing to it

If the overload that caused the circuit breaker to trip is still present, the circuit breaker will continue to stop current flow until the problem is corrected.

The chart below shows the circuit breakers and the electrical components they protect.

Circuit BreakerRatingCircuit Protected
CB1#60 AWater pickup module
CB2#50 APre-Sweep module (Option)
CB3A#20 ASide brush sweep module (Option)
CB3B#35 ASide brush scrub module (Option)
CB4#2.5 AKey switch
CB5#2.5 AWater pick up module
CB6#2.5 AScrub module
CB7A#–Not Used
CB7B#2.5 APre-Sweep module (Option)
CB7C#2.5 ASide brush scrub module (Option)
CB8#2.5 Aec-H2O module
CB9#2.5 Aec-H2O pump
CB10#15 ASpray nozzle (Option) / High Pressure washer (Option)
CB11#15 ALights (Option)
CB12#2.5 AHeadlights (Option)
CB13#2.5 AStrobe light / Flashing light on over head guard (Option)
CB14#2.5 AStrobe light / Flashing light on recovery tank cover (Option)
CB15#15 APower steering (Option)
CB16#2.5 ABackup alarm / light (Option)
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 83, used with permission. SES ref PF-UAD7-TITT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌​⁠​​​‌​‍⁠⁠​‌​​‍‌‌‌​‍‌‍‍‌‍‍‍⁠‌‍‌‌‌⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 83 of 123
MAINTENANCE

Fuses

Fuses are one-time protection devices designed to stop the flow of current in the event of a circuit overload. Never substitute higher value fuses than specified.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌​​​​‌​‍⁠⁠‌​‍‍‌​⁠‌‌‌‌​⁠⁠‍‌​⁠‍‌⁠‍‍​

Control box with arrows pointing to the fuses

The fuses are located in the control box behind the circuit breaker panel.

FuseRatingCircuit Protected
FU-1150 APropelling
FU-2100 AScrub module power
FU-32.0 ATelemetry module harness
Inline fuse100 AHigh pressure washer (Option)
Inline fuse40 ALive wand (Option)

Relays

Relays are electrical switches that open and close under the control of another electrical circuit.

Relays are able to control an output circuit of higher power than the input circuit. The relays are located in the control box behind the circuit breaker panel.

Refer to the table below for the relays and circuits controlled.

RelayRatingCircuit Controlled
M136 VDC, 200 AMain contactor
M236 VDC, 5 ABackup alarm / light (Option)
M336 VDC, 100 AAuxiliary line contactor

Electric motors

Inspect the carbon brushes on the vacuum fan motor after every 500 hours of operation. Inspect the carbon brushes on the sweeping side brush motors and all Pre-Sweep motors after the first 1000 hours of operation and every 100 hours after the initial check. Refer to the table below for carbon brush inspection intervals.

Carbon Brush InspectionHours
Side brush motors – Sweeping (Option)1000*
Pre-Sweep motors (Option)1000*
Vacuum motor500
High pressure washer motor (Option)1000**

*Inspect carbon brushes every 100 hours after the initial 1000 hour change.

**Inspect after 1000 high pressure washer hours, not machine hours.

Solution supply filter

Check the solution supply filter screen after every 50 hours of operation and clean if necessary. Lower the scrub head for easier access.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
Solution supply filter under the scrub head with a magnified inset of the filter screen

Scrub brushes

The machine can be equipped with either disk or cylindrical scrub brushes. Check scrub brushes daily for wire or string tangled around the brush or brush drive hub. Also check brushes or pads for damage and wear.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 84, used with permission. SES ref PF-KGIF-WOJV‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌​​​​‌​‍⁠⁠‌​‍‍‌​⁠‌‌‌‌​⁠⁠‍‌​⁠‍‌⁠‍‍​
T17 Battery 4021237 Rev. 12 (11-2025)Page 84 of 123
MAINTENANCE

Disk brushes and pads

In shortReplace disk pads and brushes in sets when they stop cleaning well, or when the brush bristles wear to the yellow indicator. Always replace brushes and pads in sets so one is not more aggressive than the other.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‌​​​‌​‍⁠⁠‍⁠​⁠⁠​⁠​‌⁠‍‍‍​⁠‍‌​‍​​‍‌‍

Replace the pads when they no longer clean effectively. Replace the brushes when they no longer clean effectively or when the bristles are worn to the yellow indicator.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‌​​​‌​‍⁠⁠‍⁠​⁠⁠​⁠​‌⁠‍‍‍​⁠‍‌​‍​​‍‌‍

Disk brush with an arrow pointing to the yellow wear indicator bristle

Cleaning pads must be placed on pad drivers before they are ready to use. The cleaning pad is held in place with a center disk. Both sides of the pad can be used for scrubbing. Turn the pad over to use the other side.

Cleaning pads need to be cleaned immediately after use with soap and water. Do not wash the pads with a pressure washer. Hang pads, or lay pads flat to dry.

NOTE: Always replace brushes and pads in sets. Otherwise one brush or pad will be more aggressive than the other.

Replacing disk brushes or pad drivers

  1. Raise the scrub head.
  2. Turn off the machine.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  3. Open the main brush access door and side squeegee support door.
    Main brush access door and side squeegee support door opened, with an arrow showing the direction, plus glove symbol
  4. Turn the brush until the spring handles are visible.
    Scrub head side with arrows pointing to the disk brush spring handles
  5. Squeeze the spring handles and let the brush drop to the floor. Remove the brush from under the scrub head.
    Hand squeezing the spring handles so the disk brush drops to the floor, with an arrow pointing down
  6. Set the brush spring open on the new brush to make installation easier.
    New disk brush with its spring opened and arrows showing the spring handles
  7. Push the new brush under the scrub head, align the brush drive socket with the brush drive hub,
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 85, used with permission. SES ref PF-SZMT-DJJL‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‌​​​‌​‍⁠⁠‍⁠​⁠⁠​⁠​‌⁠‍‍‍​⁠‍‌​‍​​‍‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 85 of 123
MAINTENANCE

and lift the brush up onto the brush drive hub until the brush locks onto the hub.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‍​​​‌​‍⁠⁠⁠‍‌​‌‍‌‌‍⁠⁠⁠​⁠‍‌⁠‍‍⁠‌‌​‌

Hand lifting the new disk brush up onto the brush drive hub, with an arrow pointing down
  1. Ensure the brush is securely mounted on the brush drive hub.
  2. Close and secure the squeegee support door and close the main brush access door.
  3. Repeat procedure for the other brushes.

Replacing disk scrub pads

  1. Remove the pad driver from the machine.
  2. Squeeze the spring clip together and remove the center disk from the pad driver.
    Hand squeezing the spring clip to remove the center disk from the pad driver, plus glove symbol
  3. Remove the scrub pad from the pad driver.
    Hands peeling the scrub pad off the pad driver
  4. Flip or replace the scrub pad. Center the scrub pad on the pad driver and reinstall the center disk to secure the pad in place on the pad driver.
  5. Reinstall the pad driver onto the machine.

Cylindrical brushes

In shortRotate cylindrical brushes from front to rear every 50 hours of operation, and replace them in pairs when they no longer clean effectively.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‍​​​‌​‍⁠⁠⁠‍‌​‌‍‌‌‍⁠⁠⁠​⁠‍‌⁠‍‍⁠‌‌​‌

Rotate the brushes from front-to-rear after every 50 hours of operation.

Replace the brushes when they no longer clean effectively.

NOTE: Replace worn brushes in pairs. Scrubbing with brushes of unequal bristle length will result in diminished scrubbing performance.

Replacing cylindrical scrub brushes

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Open the main brush access door and side squeegee support door.
    Main brush access door and side squeegee support door opened, with an arrow showing the direction, plus glove symbol
  2. Lift the idler plate retainer handle and unhook the retainer ring from the idler plate hook.
    Hand lifting the idler plate retainer handle, with arrows showing the motion
  3. Remove the idler plate from the scrub head.
    Hands removing the idler plate from the scrub head
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 86, used with permission. SES ref PF-D2YP-GEVU‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌‍​​​‌​‍⁠⁠⁠‍‌​‌‍‌‌‍⁠⁠⁠​⁠‍‌⁠‍‍⁠‌‌​‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 86 of 123
MAINTENANCE
  1. Remove the brush from the scrub head
    Hand pulling a cylindrical brush out of the scrub head, with an arrow showing the direction
  2. Position the brush with the double row end towards the scrub head opening. Guide the new brush onto the drive hub.
  3. If rotating the brushes, always rotate the front with the back so that they wear evenly. They may be rotated end for end as well.
    Diagram of two cylindrical brushes marked A and B: before rotation A is at the front and B at the rear; after rotation B is at the front and A at the rear
    Before / After
  4. Slide the idler plate up into the scrub head.
    Hands sliding the idler plate up into the scrub head, with arrows showing the motion
  5. Secure the idler plate into place with the idler plate retainer.
    Hand securing the idler plate with the idler plate retainer, with arrows pointing to the retainer

    Note: Do not switch the left or right idler plates or the brushes will need to be readjusted by trained personnel.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌⁠​​​‌​‍⁠⁠⁠‍‌‌​⁠​‍​‍‌‍⁠‌‌‌⁠⁠⁠​⁠‌‍​

  6. Close and secure the squeegee support door and close the main brush access door.
  7. Repeat for the brush on the other side of the scrub head.

Side brush(es) (option)

In shortCheck the side brushes daily for wear or damage and clear any tangled string or wire. Replace them when they stop cleaning well or when the bristles are worn down to the yellow indicators.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌⁠​​​‌​‍⁠⁠⁠‍‌‌​⁠​‍​‍‌‍⁠‌‌‌⁠⁠⁠​⁠‌‍​

Check the side brushes daily for wear or damage. Remove any tangled string or wire from the side brushes or side brush drive hubs.

Replacing the scrubbing side brush

Replace the pads when they no longer clean effectively. Replace the brushes when they no longer clean effectively or when the bristles are worn down to the yellow indicators.

Scrubbing side brush with an arrow pointing to the yellow wear indicator bristle
  1. Raise the side brush assembly and turn off the machine.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 87, used with permission. SES ref PF-RWDX-7MHW‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‌⁠​​​‌​‍⁠⁠⁠‍‌‌​⁠​‍​‍‌‍⁠‌‌‌⁠⁠⁠​⁠‌‍​
T17 Battery 4021237 Rev. 12 (11-2025)Page 87 of 123
MAINTENANCE
  1. Squeeze the spring handles and let the side brush drop to the floor.
    Side brush with arrows pointing to the spring handles above the brush
  2. Remove the side brush from under the side brush assembly.
    Hands removing the side brush from under the side brush assembly
  3. Set the brush spring open on the new brush to make installation easier.
    New side brush with its spring opened and arrows showing the spring handles
  4. Place the new side brush underneath the side brush assembly and lift the side brush up onto the side brush hub until the brush locks onto the hub.

Replacing the sweeping side brush(es)

Replace the brushes when they no longer clean effectively.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍​​​​‌​‍⁠⁠‌​⁠⁠​⁠‍‌‍⁠‌⁠‍‍⁠‌‌⁠⁠‌‌⁠⁠​

  1. Raise the side brush assembly and turn off the machine.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  2. Reach into the center of the brush and remove the cotter pin holding the brush and the retaining washer to the hub.
    Hand reaching into the center of the sweeping side brush to remove the cotter pin, plus glove symbol
  3. Remove the side brush and retaining washer from under the side brush assembly.
    Hands removing the sweeping side brush and retaining washer from under the assembly
  4. Place the new side brush underneath the side brush and align the channel in the side brush or the side brush receptacle with the two brush locks on the side brush hub.
    Two drawings of the side brush hub with arrows showing the channel in the brush lining up with the two brush locks on the hub, and the retaining washer and cotter pin below
  5. Lift the side brush up onto the side brush hub, hold the side brush onto the hub, install the retaining washer onto the hub, and reinstall the cotter pin into the hub.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 88, used with permission. SES ref PF-QJFF-Z3AC‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍​​​​‌​‍⁠⁠‌​⁠⁠​⁠‍‌‍⁠‌⁠‍‍⁠‌‌⁠⁠‌‌⁠⁠​
T17 Battery 4021237 Rev. 12 (11-2025)Page 88 of 123
MAINTENANCE

Pre-Sweep brushes (optional)

In shortCheck the Pre-Sweep side brushes and cylindrical main brush daily for tangled wire or string, damage and wear. Replace the brushes when they no longer clean effectively.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‌​​​‌​‍⁠⁠⁠‌​‍‌‌‌⁠​‍‍​‌‍⁠‍‍⁠‌‌‍‍‍‌

The Pre-Sweep assembly is equipped with disk side brushes and a cylindrical main brush. Check the brushes daily for wire or string tangled around the brush or brush drive hub. Check the brushes daily for damage and wear.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‌​​​‌​‍⁠⁠⁠‌​‍‌‌‌⁠​‍‍​‌‍⁠‍‍⁠‌‌‍‍‍‌

Replacing the Pre-Sweep side brushes

Replace the brushes when they no longer clean effectively.

  1. Turn on the machine.
  2. Press the Pre-Sweep switch to raise the Pre-Sweep assembly and stop sweeping.
    Standard panel: arrows pointing to the top and bottom of the Pre-Sweep switch
    Standard Panel
    Pro-Panel touchscreen with arrows pointing to the Pre-Sweep brush button and the Pre-Sweep Vacuum button
    Pro-Panel
  3. Turn off the machine.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  4. Reach into the center of the brush and remove the cotter pin holding the brush and the retaining washer to the hub.
    Hand reaching into the center of the Pre-Sweep side brush to remove the cotter pin, plus glove symbol
  5. Remove the side brush and retaining washer from under the Pre-Sweep assembly.
    Hands holding the removed Pre-Sweep side brush and its retaining washer on the floor
  6. Place the new side brush underneath the side brush and align the channel in the side brush or the side brush receptacle with the two brush locks on the side brush hub.
    Two drawings of the side brush hub with arrows showing the channel in the brush lining up with the two brush locks on the hub
  7. Lift the side brush up onto the side brush hub, hold the side brush onto the hub, install the retaining washer onto the hub, and reinstall the cotter pin into the hub.

Replacing the Pre-Sweep cylindrical brush

Rotate the brushes from front-to-rear after every 50 hours of operation.

Replace the brush when it no longer cleans effectively.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Turn off the machine.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 89, used with permission. SES ref PF-TQSQ-DC4F‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‌​​​‌​‍⁠⁠⁠‌​‍‌‌‌⁠​‍‍​‌‍⁠‍‍⁠‌‌‍‍‍‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 89 of 123
MAINTENANCE
  1. Loosen both Pre-Sweep cover latches.
    Hand loosening a Pre-Sweep cover latch
  2. Lift the Pre-Sweep cover, lock the cover open, and engage the Pre-Sweep cover support.
    Hand lifting the Pre-Sweep cover and engaging the cover support, with arrows
  3. Loosen and remove the left brush arm knob.
    Hand loosening the yellow left brush arm knob
  4. Remove the left brush arm.
    Hand removing the left brush arm
  5. Remove the three knobs holding the Pre-Sweep side skirt and side skirt plate to the Pre-Sweep assembly.
    Hand removing one of the three knobs holding the Pre-Sweep side skirt and side skirt plate
  6. Remove the side skirt plate and side skirt from the Pre-Sweep assembly.
    Hand removing the side skirt plate and side skirt from the Pre-Sweep assembly
  7. Remove the cylindrical brush and replace with a new brush.
    Hand removing the cylindrical brush from the Pre-Sweep assembly
  8. Guide the slotted end of the new brush onto the drive hub.
  9. Reinstall the side skirt, side skirt plate, and left brush arm.

Squeegee blades

In shortCheck the squeegee blades for damage and wear daily. When a blade is worn, rotate it to a new wiping edge, and replace it when all edges are worn.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‍​​​‌​‍⁠⁠⁠​‌‌​​‍‍‌​​‍​​‌‍‌⁠​‍​​​‍

Check the squeegee blades for damage and wear daily. When the blades become worn, rotate the blades end-for-end or top-to-bottom to a new wiping edge. Replace blades when all edges are worn.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‍​​​‌​‍⁠⁠⁠​‌‌​​‍‍‌​​‍​​‌‍‌⁠​‍​​​‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 90, used with permission. SES ref PF-7OSE-VPD4‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍‍​​​‌​‍⁠⁠⁠​‌‌​​‍‍‌​​‍​​‌‍‌⁠​‍​​​‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 90 of 123
MAINTENANCE

Check the deflection of the squeegee blades daily or when scrubbing a different type of surface. Check the leveling of the rear squeegee every 50 hours of operation.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍⁠​​​‌​‍⁠⁠‌‌⁠​⁠‍‌​‍​‌​‍‌​‍‌‌‌‌​⁠‌​

Replacing (or rotating) the rear squeegee blades

  1. If necessary, lower the Rear bumper door / step.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  2. Disconnect the vacuum hose from the rear squeegee assembly.
    Rear squeegee mounting area with arrows pointing to the vacuum hose connection, plus glove symbol
  3. Loosen both squeegee mounting handles.
    Arrows pointing to the two yellow squeegee mounting handles
    Hand loosening a yellow squeegee mounting handle, with an arrow showing the direction
  4. Pull the rear squeegee assembly from the machine.
    Person pulling the rear squeegee assembly out of the machine, with an arrow showing the direction
  5. Loosen the rear retainer latch and remove the latch and the retainer from the squeegee assembly.
    Hand loosening the rear retainer latch on the squeegee assembly, with an arrow showing the direction
    Hands removing the latch and retainer from the squeegee assembly, with an arrow showing the direction
  6. Remove the rear squeegee from the squeegee assembly.
    Hands lifting the rear squeegee blade off the squeegee assembly, with an arrow showing the direction
  7. Place the rotated or new squeegee blade onto the rear squeegee assembly. Be sure the squeegee
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 91, used with permission. SES ref PF-NF5M-4UV3‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌‍⁠​​​‌​‍⁠⁠‌‌⁠​⁠‍‌​‍​‌​‍‌​‍‌‌‌‌​⁠‌​
T17 Battery 4021237 Rev. 12 (11-2025)Page 91 of 123
MAINTENANCE

is securely attached on each tab on the rear squeegee assembly.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠​​​​‌​‍⁠⁠‍​​⁠‍‍⁠‍‍⁠‍⁠​⁠​‌⁠‌‍‍‍‍‌‍

Hands pressing the squeegee blade onto the tabs of the rear squeegee assembly
  1. Insert the hinge end of the retainer into the hooks in the rear squeegee assembly.
    Hinge end of the retainer inserted into the hooks on the squeegee assembly, with arrows pointing to the hooks
  2. Install the retainer along the rest of the squeegee assembly, align the tabs on the squeegee assembly into the slots in the retainer, and tighten the latch onto the other end of the squeegee assembly.
    Person installing the retainer along the squeegee assembly, with an arrow showing the direction
    Squeegee tab aligned with a slot in the retainer, with an arrow pointing to it
    Hand tightening the latch onto the end of the squeegee assembly, with an arrow showing the direction
  3. Turn the rear squeegee assembly over to access the front of the squeegee assembly.
  4. Loosen the front retainer latch and remove the latch and the retainer from the squeegee assembly.
    Hand loosening the front retainer latch, with an arrow showing the direction
    Hands removing the latch and retainer from the front of the squeegee assembly, with an arrow showing the direction
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 92, used with permission. SES ref PF-OKU4-4MIT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠​​​​‌​‍⁠⁠‍​​⁠‍‍⁠‍‍⁠‍⁠​⁠​‌⁠‌‍‍‍‍‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 92 of 123
MAINTENANCE
  1. Remove the front squeegee from the squeegee assembly
    Hands lifting the front squeegee blade off the squeegee assembly
  2. Install the rotated or new squeegee blade onto the squeegee assembly. Be sure the holes in the squeegee blade are hooked onto the tabs.
    Hand hooking the holes in the squeegee blade onto the tabs, with an arrow pointing to a tab
  3. Install the front squeegee retainer onto the rear squeegee assembly.
    Front squeegee retainer being slid onto the rear squeegee assembly, with an arrow showing the direction
    Hand fastening the retainer latch on the squeegee assembly, with an arrow pointing to the latch
  4. Reinstall the rear squeegee assembly onto the machine
  5. Raise the Rear bumper door / step if it was lowered to access the rear squeegee assembly.

Leveling the rear squeegee

In shortLevel the rear squeegee on an even, level floor so the whole blade touches the floor evenly. Check the leveling every 50 hours of operation (see page 91), and do not disconnect the vacuum hose while you adjust.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‌​​​‌​‍⁠⁠​‌⁠​⁠‌‌‍​⁠⁠‌‍⁠​​‌⁠‌​‌⁠‌‍

Leveling the squeegee ensures the entire length of the squeegee blade is in even contact with the surface being scrubbed. Perform this adjustment on an even and level floor.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‌​​​‌​‍⁠⁠​‌⁠​⁠‌‌‍​⁠⁠‌‍⁠​​‌⁠‌​‌⁠‌‍

  1. Lower the squeegee and drive the machine several feet (meters) forward and slowly bring the machine to a stop.
  2. Check the squeegee deflection over the full length of the squeegee blade.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  3. Lower the Rear bumper door / step.
  4. If the deflection is not the same over the full length of the blade, use the tilt adjust knob to make adjustments.

    DO NOT disconnect the vacuum hose from the squeegee frame when leveling squeegee.

  5. To adjust the squeegee leveling, loosen the tilt lock knob.
    Yellow squeegee tilt lock knob and tilt adjust knob, with an arrow pointing to the tilt lock knob
  6. Turn the squeegee tilt adjust knob counter-clockwise to decrease the deflection at the ends of the squeegee blade.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 93, used with permission. SES ref PF-KJRM-QFWK‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‌​​​‌​‍⁠⁠​‌⁠​⁠‌‌‍​⁠⁠‌‍⁠​​‌⁠‌​‌⁠‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 93 of 123
MAINTENANCE

Turn the squeegee tilt adjust knob clockwise to increase the deflection at the ends of the squeegee blade.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‍​​​‌​‍⁠⁠‍⁠‌⁠‍‌‍‍‌‌​​‌‍⁠‍⁠‍​‍‌​‌‍

Tilt adjust knob with an arrow showing the clockwise turn direction, plus glove symbol
  1. Tighten the tilt lock knob.
  2. Drive the machine forward with the squeegee down to recheck the squeegee blade deflection if adjustments were made.
  3. Readjust the squeegee blade deflection if necessary.
  4. Raise the Rear bumper door / step when finished leveling the rear squeegee.

Adjusting the rear squeegee blade deflection

In shortDeflection is the curl of the squeegee blade as the machine moves forward. The correct amount is 0.50 in (12 mm) on smooth floors and 0.62 in (15 mm) on rough floors; level the squeegee first (see page 93).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‍​​​‌​‍⁠⁠‍⁠‌⁠‍‌‍‍‌‌​​‌‍⁠‍⁠‍​‍‌​‌‍

Deflection is the amount of curl the overall squeegee blade has when the machine moves forward. The best deflection is when the squeegee wipes the floor dry with a minimal amount of deflection.

NOTE: Make sure the squeegee is level before adjusting the deflection. See LEVELING THE REAR SQUEEGEE on page 93.

  1. Lower the squeegee and drive the machine several feet (meters) forward and slowly bring the machine to a stop.
    FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  2. Look at the amount of deflection or "curl" of the squeegee blade. The correct amount of deflection is 0.50 in (12 mm) for scrubbing smooth floors and 0.62 in (15 mm) for rough floors.
  3. Diagram of a squeegee blade curling against the floor, with arrows marking the amount of deflection
  4. Lower the Rear bumper door / step.
  5. To adjust the overall squeegee blade deflection, loosen the lock knobs on both sides of the machine.
    Arrows pointing to the lock knobs on both sides of the rear squeegee, plus glove symbol
  6. Turn the adjustment knobs clockwise to increase deflection or counterclockwise to decrease deflection.
    Arrow pointing to the yellow adjustment knob above the squeegee blade
  7. Retighten the lock knobs.
  8. Drive the machine forward again to recheck the squeegee blade deflection.
  9. Readjust the squeegee blade deflection if necessary.
  10. Raise the Rear bumper door / step when finished adjusting the rear squeegee blade deflection.

Replacing or rotating the side squeegee blades

  1. If necessary, raise the scrub head.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 94, used with permission. SES ref PF-DZBV-TCCL‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠‍​​​‌​‍⁠⁠‍⁠‌⁠‍‌‍‍‌‌​​‌‍⁠‍⁠‍​‍‌​‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 94 of 123
MAINTENANCE
FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Open the main brush access door and side squeegee support door.
    Main brush access door and side squeegee support door opened, with an arrow showing the direction, plus glove symbol
  2. Unhook the retaining band latch from the side squeegee assembly.
    Hand unhooking the retaining band latch from the side squeegee assembly, with an arrow showing the direction
  3. Remove the retaining band from the side squeegee assembly.
    Hands removing the retaining band from the side squeegee assembly
  4. Remove the squeegee blade from the side squeegee assembly.
    Hand removing the squeegee blade from the side squeegee assembly
  5. Install the rotated or new rear squeegee blade onto the side squeegee assembly.
  6. Hook the retaining band onto the retaining band retainer tab on the side squeegee assembly.
    Retaining band hooked onto the retainer tab on the side squeegee assembly, with an arrow pointing to the tab
  7. Fasten the retaining band latch onto the side squeegee assembly.
    Hand fastening the retaining band latch onto the side squeegee assembly, with an arrow showing the direction
  8. Close and secure the squeegee support door and close the main brush access door.
  9. Repeat for the side squeegee on the other side of the scrub head.

Replacing or rotating the side brush squeegee blades (option)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

Check the side brush squeegee blades for damage and wear daily. Replace or rotate a blade if the leading edge is torn or worn half-way through the thickness of the blade.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠⁠​​​‌​‍⁠⁠‍​‌‌‌‌⁠‍‍‍​‍⁠​⁠⁠⁠‌​​⁠⁠​‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 95, used with permission. SES ref PF-FV4Q-DE33‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‌⁠⁠​​​‌​‍⁠⁠‍​‌‌‌‌⁠‍‍‍​‍⁠​⁠⁠⁠‌​​⁠⁠​‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 95 of 123
MAINTENANCE
  1. Loosen the side brush squeegee assembly handle and remove the squeegee assembly from the machine.
    Hand loosening the side brush squeegee assembly handle, with a curved arrow showing the direction, plus glove symbol
  2. Loosen the retaining band latch.
    Hand loosening the retaining band latch, with an arrow showing the direction
  3. Remove the retaining band, squeegee blades, and spacer from the squeegee frame.
    Retaining band being pulled off the side brush squeegee frame, with an arrow showing the direction

    NOTE: Observe which squeegee slots were installed on the squeegee frame before removing the squeegee.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​​​​​‌​‍⁠⁠​‌⁠​‍‌​​‍⁠‍‌​⁠‌‍‍​​⁠⁠‌‌‌

  4. Install the rotated / new squeegee blades, spacer, and retaining band onto the side brush assembly.
    Side brush squeegee blades laid out on a bench showing the slots for adjusting deflection

    NOTE: The squeegee blade(s) have slots for adjusting the squeegee blade deflection. Install / reinstall squeegees so the deflection is approximately 0.50 in (12 mm) for smooth floors and 0.62 in (15 mm) for rough floors.

    Diagram of a squeegee blade curling against the floor, with arrows marking the amount of deflection
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 96, used with permission. SES ref PF-QS3F-YXJY‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​​​​​‌​‍⁠⁠​‌⁠​‍‌​​‍⁠‍‌​⁠‌‍‍​​⁠⁠‌‌‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 96 of 123
MAINTENANCE

Be sure the holes in the squeegee blade are hooked onto the tabs.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​‌​​​‌​‍⁠⁠‍‍‍‍​⁠⁠‌‌‌‌⁠‌‍⁠‌‍​‌‍‌‍‌‍

Finger pointing at a tab hooked through a hole in the squeegee blade
Finger pointing at a tab hooked through a hole in the squeegee blade
Finger pointing at a tab hooked through a hole in the squeegee blade
Finger pointing at a tab hooked through a hole in the squeegee blade
Finger pointing at a tab hooked through a hole in the squeegee blade
  1. Fasten the side brush retaining band latch.
    Hands fastening the side brush retaining band latch
  2. Reinstall the side brush squeegee assembly onto the side brush assembly.

Skirts and seals

In shortCheck tank cover seals daily and the vacuum seals and scrub head skirts every 50 hours of operation. Replace anything damaged or worn.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​‌​​​‌​‍⁠⁠‍‍‍‍​⁠⁠‌‌‌‌⁠‌‍⁠‌‍​‌‍‌‍‌‍
FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

Recovery tank seal

Check the recovery tank cover seal for damage and wear daily.

Open recovery tank cover with an arrow pointing to the cover seal
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 97, used with permission. SES ref PF-6RA7-LHG3‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​‌​​​‌​‍⁠⁠‍‍‍‍​⁠⁠‌‌‌‌⁠‌‍⁠‌‍​‌‍‌‍‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 97 of 123
MAINTENANCE

Solution tank seal

Check the solution tank cover seal for damage and wear daily.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​‍​​​‌​‍⁠⁠⁠‌⁠​‍‍‍‍‍⁠⁠‍​‍‌‍‌​‍‍‌‍​‍

Open solution tank cover with an arrow pointing to the cover seal

Live wand vacuum seals (option)

Check the dry vacuum seals for damage and wear after every 50 hours of operation.

Open live wand vacuum cover with arrows pointing to the dry vacuum seals

Scrub head skirts (disk scrub heads only)

Check the scrub head skirts for damage and wear after every 50 hours of operation.

Underside of the scrub head with an arrow pointing to the scrub head skirt
Scrub head near the front wheel with an arrow pointing to the scrub head skirt

Pre-Sweep skirts (option)

The Pre-Sweep skirts are located around the Pre-Sweep main brush.

Pre-Sweep assembly with arrows pointing to the skirts around the main brush
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 98, used with permission. SES ref PF-DUAG-X2O6‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​‍​​​‌​‍⁠⁠⁠‌⁠​‍‍‍‍‍⁠⁠‍​‍‌‍‌​‍‍‌‍​‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 98 of 123
MAINTENANCE

Check the skirts for damage and wear after every 50 hours of operation.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​⁠​​​‌​‍⁠⁠‍‍⁠​⁠​‍​‍‍⁠​​⁠⁠‍​⁠​‍‌​‍⁠

Pre-Sweep skirt with an arrow pointing to the lower edge of the skirt

Belts

In shortCheck the brush drive belts for damage and wear every 200 hours, and check the brake adjustment every 200 hours (the foot pedal should not travel more than 1 in (25 mm)). Check the tires every 500 hours.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​⁠​​​‌​‍⁠⁠‍‍⁠​⁠​‍​‍‍⁠​​⁠⁠‍​⁠​‍‌​‍⁠

Cylindrical brush drive belts

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

The brush drive belts are located on the cylindrical brush scrub head. Check the belts for damage and wear after every 200 hours of operation.

Cylindrical brush scrub head with an arrow pointing to the brush drive belt

Pre-Sweep brush drive belt (option)

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

The Pre-Sweep brush drive belt is located inside the Pre-Sweep assembly on the right side of the cylindrical brush. Check the belt for damage and wear after every 200 hours of operation.

Inside the Pre-Sweep assembly with an arrow pointing to the brush drive belt

Brakes

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

The foot brake and the parking brake operate the linkage that controls the brakes on the rear wheels.

The foot pedal should not travel more than 1 in (25 mm) to engage the brake. Check the brake adjustment after every 200 hours of operation.

Foot brake pedal with arrows showing the pedal travel distance

Tires

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 99, used with permission. SES ref PF-FH67-C6KZ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍​⁠​​​‌​‍⁠⁠‍‍⁠​⁠​‍​‍‍⁠​​⁠⁠‍​⁠​‍‌​‍⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 99 of 123
MAINTENANCE

The machine has three solid rubber tires: one in front, and two in the rear of the machine. Check tires for damage and wear after every 500 hours of operation.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌​​​​‌​‍⁠⁠⁠‌‍‍​⁠‌⁠​‍‌⁠​​⁠⁠‌⁠‌‌‍‍⁠⁠

Front tire with an arrow pointing to the tire tread

Pushing, towing, and transporting the machine

In shortOnly push or tow a disabled machine a very short distance, at no more than 2 mph (3.2 km/h), with an operator in the seat; it can be towed only from the front. When trailering, follow the steps and safety notes below.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌​​​​‌​‍⁠⁠⁠‌‍‍​⁠‌⁠​‍‌⁠​​⁠⁠‌⁠‌‌‍‍⁠⁠

Pushing or towing the machine

FOR SAFETY: When servicing the machine, do not push or tow the machine without an operator in the seat controlling the machine.

If the machine becomes disabled, it can be pushed from the front or rear, but it can only be towed from the front.

Only push or tow the machine for a very short distance and do not exceed 2 mph (3.2 km/h). It is NOT intended to be pushed or towed for a long distance or at a high speed.

Attention: Do not push or tow machine for a long distance or damage may occur to the propelling system.

Transporting the machine

FOR SAFETY: When transporting Lithium-ion Battery Model, contact Tennant or your local regulatory authorities for proper transporting instructions.
  1. Raise the squeegee, scrub head, and brushes.
    FOR SAFETY: When loading/unloading machine onto/off truck or trailer, drain tanks before loading machine.
  2. Park the trailer on a level surface and apply parking brake.
  3. Position the machine at the loading edge of the truck or trailer.
    FOR SAFETY: When loading/unloading machine onto/off truck of trailer, use ramp, truck or trailer that will support the weight of the machine and operator.
    FOR SAFETY: When loading/unloading machine onto/off truck of trailer, do not load/unload on ramp inclines that exceed 21% / 12° grade.

    NOTE: The machine ability to climb a ramp is affected by tire wear, ramp surface, weather conditions, and other factors. Trailering should be performed by personnel trained on how to safely load a machine.

  4. Drive the machine onto the trailer or truck. Position the machine so the weight of the machine is safely distributed and can be safely strapped down to the trailer or truck.
    FOR SAFETY: When loading/unloading machine onto/off truck of trailer, stop on a level surface, set parking brake and leave the key in the ON position until all tie-down straps are secure.

    NOTE: The drive wheel dynamic brake system is active when the key is in the ON position.

  5. Lower the scrub head and rear squeegee.
  6. Place a block behind each wheel to prevent the machine from rolling.
  7. Connect the tie-down straps to the right and left stabilizers in front of the machine.
    Two views of the front stabilizers with arrows showing where to connect the tie-down straps on the right and left

    Machines with optional scrubbing side brush only: Connect one tie down strap to the step located on top the scrubbing side brush assembly and the other to the stabilizer located on the other side of the machine.

    Step on top of the scrubbing side brush assembly with an arrow pointing to the tie-down point, plus glove symbol

Corrected an obvious misprint: speed limit printed as "3.2 kp/h (2 mph)" (now "2 mph (3.2 km/h)"; kp/h is not a unit, and 2 mph is 3.2 km/h).

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 100, used with permission. SES ref PF-NNHW-TMAA‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌​​​​‌​‍⁠⁠⁠‌‍‍​⁠‌⁠​‍‌⁠​​⁠⁠‌⁠‌‌‍‍⁠⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 100 of 123
MAINTENANCE
  1. Connect the tie-down straps to the holes in the rear jacking brackets at the rear of the machine.
    Two views of the rear jacking brackets with arrows pointing to the holes for the tie-down straps
  2. Turn off machine and remove the key after the machine is secured.
    Tie-down straps hooked to the rear jacking brackets on the truck bed, with arrows, plus glove symbol

Machine jacking

In shortEmpty the recovery and solution tanks, block the tires, and jack only at the designated jacking points, supporting the machine with jack stands.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌‌​​​‌​‍⁠⁠‍‌⁠⁠‌​‍‍‍‍⁠‍⁠‌⁠⁠​‍‌⁠‌‌‍‍

Jacking point location at the rear of all machines.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌‌​​​‌​‍⁠⁠‍‌⁠⁠‌​‍‍‍‍⁠‍⁠‌⁠⁠​‍‌⁠‌‌‍‍

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.

Empty the recovery and solution tanks before jacking the machine.

Jacking point location at the front of all machines.

Front drive wheel with an arrow pointing up to the jacking point label above it

Jacking point locations at the front of machines equipped with the Pre-Sweep option.

Left front jacking point on a machine with the Pre-Sweep option, with an arrow pointing up at the bracket
Right front jacking point on a machine with the Pre-Sweep option, with an arrow pointing up at the bracket

Jacking point location at the rear of all machines.

Rear jacking point above the rear squeegee wheel, with an arrow pointing up to the jacking point label
FOR SAFETY: When servicing machine, block machine tires before jacking machine up. Use a hoist or jack that will support the weight of the machine. Jack machine up at designated locations only. Support machine with jack stands.

ec-H2O module flush procedure

In shortDo this flush only when the red indicator light begins to flash and the audible alarm sounds. It uses vinegar and clean water and takes the module through one full cycle (see page 102).

This procedure is only required when the red indicator light begins to flash and there is an audible alarm.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Open the right shroud to access the ec-H2O assembly.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 101, used with permission. SES ref PF-YOKA-WB27‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌‌​​​‌​‍⁠⁠‍‌⁠⁠‌​‍‍‍‍⁠‍⁠‌⁠⁠​‍‌⁠‌‌‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 101 of 123
MAINTENANCE
  1. Press the connector button to disconnect the outlet hose from the ec-H2O manifold.
    Hand pressing the connector button to disconnect the outlet hose from the ec-H2O manifold

    Note: Look for arrows on the hose near where the hose is coming from the bottom of the ec-H2O assembly to determine which hose is the outlet hose.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌‍​​​‌​‍⁠⁠‌‍‌‌​‍​⁠‍⁠​⁠‍‍⁠⁠‌⁠⁠⁠​‍‌‌

    Hoses below the ec-H2O assembly with an arrow pointing to the direction arrows on the outlet hose
  2. Remove the drain hose from the ec-H2O compartment.
  3. Connect the drain hose to the ec-H2O outlet hose.
    Hand connecting the drain hose to the ec-H2O outlet hose
  4. Place the drain hose into a empty container.
    Drain hose running into an empty bucket beside the machine
  5. Pour 2 gallons (7.6 liters) of white or rice vinegar into the solution tank.
    Solution tank fill opening with an arrow pointing down into the tank, plus glove and eye protection symbols
  6. Start the machine.
  7. Press and release the ec-H2O module flush switch to start the flush cycle.
    ec-H2O module with an arrow pointing down to the flush switch

    Note: The module will automatically shut off when the flush cycle is complete (approximately 7 minutes). The module must run the full 7-minute cycle in order to reset the system indicator light and alarm.

  8. Pour 2 gallons (7.6 liters) of cool clean water into the solution tank.
  9. Press and release the flush switch to rinse any remaining vinegar from t
  10. Disconnect the drain hose from the ec-H2O manifold hose.
  11. he module. After 1-2 minutes, press the flush switch to turn off the module.

Corrected an obvious misprint: "ec-H20" in step 3 (now "ec-H2O", as everywhere else in this procedure). Steps 10 to 12 are printed with broken text ("from t" / "he module"); left as printed.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 102, used with permission. SES ref PF-WOBD-3VKF‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌‍​​​‌​‍⁠⁠‌‍‌‌​‍​⁠‍⁠​⁠‍‍⁠⁠‌⁠⁠⁠​‍‌‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 102 of 123
MAINTENANCE
  1. Reconnect the outlet hose to the ec-H2O manifold hose.
  2. Return the drain hose to storage location in the ec-H2O compartment.
  3. Close the right shroud.

Storage information

In shortBefore extended storage, charge the batteries, drain and rinse the tanks, and store the machine indoors in a dry area. If it will see freezing temperatures, run antifreeze through the system as shown under Freeze protection.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌⁠​​​‌​‍⁠⁠​​‍‌​‌​‌⁠​‌‌⁠​‌​​‌⁠⁠⁠‍‌⁠

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

The following steps should be taken when storing the machine for extended periods of time.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌⁠​​​‌​‍⁠⁠​​‍‌​‌​‌⁠​‌‌⁠​‌​​‌⁠⁠⁠‍‌⁠

  1. Charge the batteries before storing machine to prolong the life of the batteries. Recharge lead-acid batteries once a month. Recharge lithium-ion battery pack once a year.
  2. Unplug battery communication connector on lithium-ion batteries (machine serial number 0016063 and above.
  3. Disconnect batteries before storing.
  4. Thoroughly drain and rinse the solution and recovery tanks.
  5. Store the machine in a dry area with the squeegee and scrub head in the up position.
    ATTENTION: Do not expose machine to rain, store indoors.
  6. Open the recovery tank cover to promote air circulation.
  7. If storing machine in freezing temperatures, proceed to FREEZE PROTECTION on page 103.

NOTE: To prevent potential machine damage store machine in a rodent and insect free environment.

Freeze protection

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
FOR SAFETY: When storing Lithium-ion Battery Model, do not expose battery to temperatures below -22°F (-30°C), above 140°F (60°C). Do not use machine immediately after long-term extreme temperature storage. Before use, return battery module temperature range to 50°F (10°C) ~ 95°F (35°C)
  1. Completely drain the solution tank, recovery tank, and detergent tank.
  2. Pour 2 gal (7.6 L) of Propylene Glycol Based / Recreational Vehicle (RV) antifreeze into the solution tank.
    Solution tank fill opening with an arrow pointing down into the tank
  3. Machines equipped with optional detergent tank only: Pour 1/2 gal (1.9 L) of Propylene Glycol Based / Recreational Vehicle (RV) antifreeze into the detergent tank.
    Detergent tank with an arrow pointing down to the tank fill cap

    NOTE: Machines equipped with optional ES system will need to fill the pump lines with Propylene Glycol Based / Recreational Vehicle (RV) antifreeze.

  4. Turn on the machine.
  5. Press the 1-Step button.
    Green 1-Step button on the control panel with an arrow pointing to it
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 103, used with permission. SES ref PF-37XV-VMAM‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‌⁠​​​‌​‍⁠⁠​​‍‌​‌​‌⁠​‌‌⁠​‌​​‌⁠⁠⁠‍‌⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 103 of 123
MAINTENANCE
  1. Repeatedly press the Solution increase button (+) until the solution flow is at the highest setting.
    Standard panel: two views of the Solution increase button (+) with an arrow pointing to it
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the solution increase (+) button
    Pro-Panel
  2. Machines with severe environment switch option only: Press the bottom of the severe environment switch or the severe environment button to activate the severe environment scrubbing system.
    Standard panel: arrow pointing to the bottom of the severe environment switch
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the severe environment button
    Pro-Panel
  3. Machines with scrubbing side brush option only: Press the side brush switch or side brush button to activate the side brush.
    Standard panel: arrows pointing to the side brush switch and the side brush button
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the side brush button
    Pro-Panel
  4. Drive the machine to circulate the antifreeze completely through all the systems and clear out any remaining water.
  5. Machines with scrubbing side brush option only: Press the side brush switch to turn off the side brush.
  6. Stop the machine.
  7. Machines with spray nozzle option only: Operate the wand for a few seconds to protect the pump.
  8. Machines with high pressure washer option only: Prime the high pressure washer with the antifreeze and operate the high pressure washer for a few seconds to protect the pump. See PRIMING THE HIGH PRESSURE WASHER PUMP on page 61.
  9. Press the 1-STEP button to turn off the system.
  10. Turn off the machine.
  11. The remaining antifreeze does not need to be drained from the solution tank, recovery tank, or detergent tank.

Preparing the machine for operation after storage

All antifreeze must be completely cleaned from the scrubbing system before the machine can be used for scrubbing.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍​​​​‌​‍⁠⁠​‍‌​⁠​⁠‌​⁠​​⁠​‌​‌​‌​‌‍⁠‍

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Completely drain all antifreeze from the solution tank.
  2. Rinse out the solution tank. Refer to DRAINING AND CLEANING THE SOLUTION TANK on page 50 in the OPERATION on page 12 section for instructions how to clean the solution tank.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 104, used with permission. SES ref PF-XSXH-HR74‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍​​​​‌​‍⁠⁠​‍‌​⁠​⁠‌​⁠​​⁠​‌​‌​‌​‌‍⁠‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 104 of 123
MAINTENANCE
  1. Pour 3 gal (11.4 L) of cool clean water into the solution tank.
    Solution tank fill opening with an arrow pointing down into the tank
  2. Machines equipped with optional detergent tank only: Pour 1/2 gal (1.9 L) of cool clean water into the detergent tank.
    Detergent tank with an arrow pointing down to the tank fill cap
  3. Start the machine
  4. Press the 1-STEP button.
    Green 1-Step button on the control panel with an arrow pointing to it
  5. Repeatedly press the Solution increase button (+) until the solution flow is at the highest setting.
    Standard panel: two views of the Solution increase button (+) with an arrow pointing to it
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the solution increase (+) button
    Pro-Panel

    NOTE: The ec-H2O systems on machines equipped with ec-H2O must be primed before the machine is ready for operation. See PRIMING THE ec-H2O SYSTEM on page 106 for additional instructions.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍‌​​​‌​‍⁠⁠‌‌‌‍⁠⁠​‍⁠⁠​​⁠‌‍‌‍​‌​​‌‌‌

  6. Machines with severe environment switch option only: Press the bottom of the severe environment switch to activate the severe environment scrubbing system.
    Standard panel: arrow pointing to the bottom of the severe environment switch
    Standard Panel
    Pro-Panel touchscreen with an arrow pointing to the severe environment button
    Pro-Panel
  7. Machines with scrubbing side brush option only: Press the side brush switch to activate the side brush.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 105, used with permission. SES ref PF-7CIW-TTHG‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍‌​​​‌​‍⁠⁠‌‌‌‍⁠⁠​‍⁠⁠​​⁠‌‍‌‍​‌​​‌‌‌
T17 Battery 4021237 Rev. 12 (11-2025)Page 105 of 123
MAINTENANCE
Standard panel: arrows pointing to the side brush switch and the side brush button
Standard Panel
Pro-Panel touchscreen with an arrow pointing to the side brush button
Pro-Panel
  1. Drive the machine until all water and antifreeze is emptied from the tanks.
  2. Machines with scrubbing side brush option only: Press the side brush switch to turn off the side brush.

    NOTE: Machines equipped with optional ES system will need to drain the antifreeze from the pump lines.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍‍​​​‌​‍⁠⁠‍‍‌‌‌⁠‍​⁠‍‌‌​‌⁠‍‌‌⁠‍‌​‍⁠

  3. Stop the machine.
  4. Machines with spray nozzle option only: Operate the wand for a few seconds to clean the antifreeze from the pump.
  5. Press the 1-STEP button to turn off the system.
  6. Machines with high pressure washer option only: Unhook the return line to the solution tank and place into a bucket.
    Hand unhooking the return line from the solution tank, with an arrow pointing to it
    Return line placed into a green bucket, with an arrow pointing down

    Operate the pressure washer for a few seconds to drain antifreeze from the pump. Release the trigger for a few more seconds which will drain the antifreeze from the return line into the bucket. Turn off the pressure washer switch and reconnect the return line to the solution tank.

    WARNING: Do not spray people or animals. Severe personal injury can result. Wear eye protection. Hold sprayer with two hands.
    Operator holding the pressure washer wand and trigger, with arrows pointing to the trigger, plus glove and eye protection symbols
  7. Turn off the machine.

Priming the ec-H2O system

In shortPrime the ec-H2O system if the machine has been stored for a long period with no water in the solution tank or ec-H2O system. The steps continue on page 107.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍‍​​​‌​‍⁠⁠‍‍‌‌‌⁠‍​⁠‍‌‌​‌⁠‍‌‌⁠‍‌​‍⁠

Prime the ec-H2O system if the machine has been stored for a long period with no water in the solution tank / ec-H2O system.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, set parking brake, and remove key.
  1. Fill the solution tank with clean cool water. See FILLING THE SOLUTION TANK on page 41 section of this manual.
    Solution tank fill opening with an arrow pointing down into the tank
  2. Open the right shroud to access the ec-H2O assembly.
  3. Press the connector button to disconnect the outlet hose from the ec-H2O manifold.
    Hand pressing the connector button to disconnect the outlet hose from the ec-H2O manifold
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 106, used with permission. SES ref PF-AWG7-4V25‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍‍​​​‌​‍⁠⁠‍‍‌‌‌⁠‍​⁠‍‌‌​‌⁠‍‌‌⁠‍‌​‍⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 106 of 123
MAINTENANCE

Note: Look for arrows on the hose near where the hose is coming from the bottom of the ec-H2O assembly to determine which hose is the outlet hose.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍⁠​​​‌​‍⁠⁠⁠​​​‌​⁠‌‌‍⁠​‍‍‌‍​​‌⁠‌‍⁠⁠

Hoses below the ec-H2O assembly with an arrow pointing to the direction arrows on the outlet hose
  1. Remove the drain hose from the ec-H2O compartment.
  2. Connect the drain hose to the ec-H2O outlet hose.
    Hand connecting the drain hose to the ec-H2O outlet hose
  3. Place the drain hose into a empty container.
    Drain hose running into an empty bucket beside the machine
  4. Start the machine.
  5. Press and release the ec-H2O module flush switch. Allow the system to drain water into the container for 2 minutes.
    ec-H2O module with an arrow pointing down to the flush switch
  6. Press the ec-H2O module flush switch to shut off the system.
  7. Disconnect the drain hose from the ec-H2O manifold hose.
  8. Reconnect the outlet hose to the ec-H2O manifold hose.
  9. Place the drain hose back into the ec-H2O compartment.
  10. Close the right shroud.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 107, used with permission. SES ref PF-VGFG-U53I‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍‍⁠​​​‌​‍⁠⁠⁠​​​‌​⁠‌‌‍⁠​‍‍‌‍​​‌⁠‌‍⁠⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 107 of 123
SPECIFICATIONS

Specifications

In shortThese are the general dimensions and capacities for the T17, including the Pre-Sweep and side brush options. Some lengths depend on the machine serial number (S/N). Need a part or a spec confirmed? Call us at 800-440-6723.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠​​​​‌​‍⁠⁠‍‌‍​​⁠‍‍‍‍​‌‍​⁠‍⁠​​‌⁠‍‍‍

General machine dimensions/capacities

ItemDimension/capacity
Length (S/N 013000– )88.4 in (2245 mm)
Length (S/N 000000–012999)87.9 in (2230 mm)
Length (with Pre-Sweep) (S/N 013000– )113.4 in (2880 mm)
Length (with Pre-Sweep) (S/N 000000–012999)113 in (2870 mm)
Width (less squeegee)46 in (1168 mm)
Width (with squeegee)49 in (1245 mm)
Width (with side brush)53 in (1346 mm)
Wheel base45.8 in (1163 mm)
Height (top of steering wheel)58.25 in (1480 mm)
Height (with high pressure washer option)66.2 in (1680 mm)
Height (with live wand option – Pro-Panel)69.5 in (1766 mm)
Height (with live wand option w/ rear view mirror)77.9 in (1979 mm)
Height (with overhead guard)82.5 in (2096 mm)
Track41 in (1041 mm)
Disk brush diameter20 in (510 mm)
Cylindrical brush diameter9 in (230 mm)
Cylindrical brush length40 in (1015 mm)
Disk brush diameter for scrubbing side brush (option)16.18 in (411 mm)
Disk brush diameter for sweeping side brush (option)19 in (482.60 mm)
Disk brush diameter for Pre-Sweep (option)19 in (482.60 mm)
Cylindrical sweep brush diameter for Pre-Sweep (option)8 in (203.20 mm)
Cylindrical sweep brush length for Pre-Sweep (option)27.94 in (709.68 mm)
Scrubbing path width40 in (1015 mm)
Scrubbing path width (with scrubbing side brush)52 in (1320 mm)
Scrubbing path width (with right sweeping side brush)46 in (1165 mm)
Scrubbing path width (with dual sweeping side brushes)52 in (1320 mm)
Solution tank capacity75 gallons (285 L)
Recovery tank capacity91.1 gallons (346 L)
Detergent tank capacity (option)4.6 gallons (17.6 L)
Demisting chamber16.1 gallons (61 L)
Weight (Empty)1925 lb (875 kg)
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 108, used with permission. SES ref PF-KWMK-W35Z‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠​​​​‌​‍⁠⁠‍‌‍​​⁠‍‍‍‍​‌‍​⁠‍⁠​​‌⁠‍‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 108 of 123
SPECIFICATIONS
ItemDimension/capacity
Weight (with standard 510 AH batteries)3365 lb (1525 kg)
Weight (with Triathlon 456Ah lithium-ion batteries)4129 lb (1875 kg)
Weight (with Triathlon 684Ah lithium-ion batteries)4834 lb (2195 kg)
GVWR6150 lb (2790 kg)
Protection GradeIPX3
Values determined as per IEC 60335-2-72Measure – Cylindrical scrub headMeasure – Disk scrub head
Sound pressure level LpA68 dB(A)65 dB(A)
Sound pressure uncertainty KpA2.8 dB(A)3.0 dB(A)
Sound power level LWA + Uncertainty KWA88.2 dB(A)85.8 dB(A)
Vibration – Hand-arm<2.5 m/s²<2.5 m/s²
Vibration – Whole body<0.5 m/s²<0.5 m/s²

General machine performance

ItemMeasure
Aisle turnaround width (less side brush)93.25 in (2370 mm)
Aisle turnaround width (with Pre-Sweep)115.75 in (2941 mm)
Travel Speed (Forward)5.5 mph (9 km/h)
Travel Speed while scrubbing (Forward)4 mph (6.5 km/h)
Travel Speed (Reverse)3 mph (5 km/h)
Maximum ramp incline for loading – Empty21%
Maximum ramp incline for scrubbing8.7%
Maximum ramp incline for scrubbing (With optional ramp kit)10.5%
Maximum ramp incline for transporting (GVWR)12%
Maximum ramp incline for transporting (GVWR) (With optional ramp kit)14.8%
Maximum ambient temperature for machine operation110° F (43° C)
Minimum temperature for operating machine scrubbing functions32° F (0° C)

Power type

The power type tables continue on page 110.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠‌​​​‌​‍⁠⁠‍‌⁠‍⁠⁠​‌​​‌‌​‍⁠⁠⁠​‍‌⁠⁠​​

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 109, used with permission. SES ref PF-MUGF-AML4‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠‌​​​‌​‍⁠⁠‍‌⁠‍⁠⁠​‌​​‌‌​‍⁠⁠⁠​‍‌⁠⁠​​
T17 Battery 4021237 Rev. 12 (11-2025)Page 109 of 123
SPECIFICATIONS

Power type

In shortThese tables list the batteries, electric motors, chargers and tires for the T17. Battery and charger choices depend on the machine serial number (S/N), so match yours before ordering a charger or battery.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠‍​​​‌​‍⁠⁠‌​​​‌‌‍​⁠‌⁠⁠‌⁠​‌⁠‍⁠⁠​​​​

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

TypeQuantityVoltsAh RatingWeight
Lead-acid Batteries (Max. battery dimensions: 15.98 in (406 mm) W x 37.91 in (963 mm) L x 30.51 in (775 mm) H136510 @ 6 hr rate1458 lb (661 kg)
136750 @ 6 hr rate2124 lb (963 kg)
136930 @ 6 hr rate2178 lb (988 kg)
Lithium-ion Battery (machines serial number 0016062 and below)136497462 lb (209 kg)
1361049914 lb (414 kg)
Lithium-ion Battery (machines serial number 0016063 and above)136456794 lb (360 kg)
1366841499 lb (680 kg)
TypeUseVDChp (kW)
Electric MotorsScrub brush (disk)361.50 (1.125)
Scrub brush (cylindrical)361.50 (1.125)
Vacuum fan360.8 (0.6)
Propelling363.0 (2.25)
High pressure washer363.0 (2.25)
Live wand vacuum361.5 (1.125)
TypeVDCampHzPhaseVAC
Chargers (Smart)362145–65185–265
Charger, Lithium-Ion Battery (machines serial number 0016062 and below)368050-601200-240
368050-603200-240
3610050-603480
3621550-603480
Charger, Triathlon Lithium-Ion Battery (machines serial number 0016063 and above)365050-601208-240
3620020-603208-240
3620050-603480
3620050-603480-600*

*Canadian market only‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠‍​​​‌​‍⁠⁠‌​​​‌‌‍​⁠‌⁠⁠‌⁠​‌⁠‍⁠⁠​​​​

Tires

LocationTypeSize
Front (1)Solid5.8 in wide x 13.8 in OD (150 mm wide x 350 mm OD)
Rear (2)Solid5 in wide x 15 in OD (125 mm wide x 380 mm OD)

Scrubbing side brush solution flow rate (option)

The solution flow rate table continues on page 111.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 110, used with permission. SES ref PF-QIYI-AUK5‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠‍​​​‌​‍⁠⁠‌​​​‌‌‍​⁠‌⁠⁠‌⁠​‌⁠‍⁠⁠​​​​
T17 Battery 4021237 Rev. 12 (11-2025)Page 110 of 123
SPECIFICATIONS
ItemMeasure
Solution pump36 Volt DC up to 0.40 GPM (1.51 LPM)

ec-H2O system (option)

ItemMeasure
Solution pump36 Volt DC, 5A, 1.8 GPM (6.8 LPM) open flow
Solution flow rate (machines without optional scrubbing side brush)Up to 1.0 GPM (3.79 LPM)
Solution flow rate (machines with optional scrubbing side brush)Up to 0.70 GPM (2.65 LPM) – To main scrub head
Up to 0.30 GPM (1.14 LPM) – To scrubbing side brush

High pressure washer (option)

ItemMeasure
Pump pressure (max)Up to 2500 psi (17236 kPa)
Solution flow rate (max @ 2500 psi)Up to 2.0 GPM (7.57 LPM)

Corrected an obvious misprint: "0.70 GMP" printed in the ec-H2O solution flow rate (now "GPM", as in every other flow rate on this page).‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠⁠​​​‌​‍⁠⁠‌⁠‌‍⁠⁠​⁠‍‍⁠‌‍‍​​‌⁠‍⁠‍⁠‍‍

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 111, used with permission. SES ref PF-VB3D-UYUL‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌‍⁠⁠​​​‌​‍⁠⁠‌⁠‌‍⁠⁠​⁠‍‍⁠‌‍‍​​‌⁠‍⁠‍⁠‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 111 of 123
SPECIFICATIONS

Machine dimensions

In shortThe drawing shows the T17's main outside dimensions. The same numbers are listed in the table on page 108.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​​​​​‌​‍⁠⁠‌‌‍‍‍⁠‍‌⁠⁠⁠‍⁠‌‌⁠‌​‌‍‍​⁠‍
Machine dimensions drawing: top, side and rear views labeled with rear squeegee width, frame width, overall height, steering wheel height, wheel base, track and length
Machine dimensions

Dimensions shown in the drawing, imperial first:‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​​​​​‌​‍⁠⁠‌‌‍‍‍⁠‍‌⁠⁠⁠‍⁠‌‌⁠‌​‌‍‍​⁠‍

  • Rear squeegee: 49 in (1245 mm)
  • Frame (roller to roller): 46 in (1168 mm)
  • Height with overhead guard: 82.5 in (2096 mm)
  • Height to top of steering wheel: 58.25 in (1480 mm)
  • Wheel base: 45.8 in (1163 mm)
  • Track (at rear wheels): 41 in (1041 mm)
  • Length (S/N 000000–012999): 87.9 in (2230 mm)
  • Length (S/N 013000– ): 88.4 in (2245 mm)
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 112, used with permission. SES ref PF-OES4-VROO‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​​​​​‌​‍⁠⁠‌‌‍‍‍⁠‍‌⁠⁠⁠‍⁠‌‌⁠‌​‌‍‍​⁠‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 112 of 123
SUPERVISOR CONTROLS

Pro-Panel supervisor controls

In shortSupervisor controls let a supervisor set the scrubbing settings for operators and lock them so operators cannot change them. A new machine starts in supervisor mode with the factory login number shown below; if a changed number is forgotten, call Tennant service.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‌​​​‌​‍⁠⁠​‍⁠‍⁠​​‌‍‍‌‌​​‌⁠⁠‍‌‌‍‍⁠​

The supervisor controls feature allows a supervisor to program the machine scrubbing settings for operator use. The lockout functionality will prevent the operator from changing or saving the settings.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‌​​​‌​‍⁠⁠​‍⁠‍⁠​​‌‍‍‌‌​​‌⁠⁠‍‌‌‍‍⁠​

The supervisor controls feature will lower machine variability for consistent, repeatable cleaning results, machine quality assurance regardless of user experience, and reduce user training requirements.

There are two types of user modes that will interface with the operator home screen:

Operator Mode – Capable of machine operation with permissions and restrictions controlled by the supervisor.

Supervisor Mode– Capable of machine operation with full use of all controls, along with configuring permissions and restrictions for the operator mode.

A new machine from the factory will automatically start in the supervisor mode with a preassigned default supervisor profile. The factory-assigned supervisor login number is "1234". This login number is not required until it is enabled. The default supervisor profile name and login number can be changed as described in this section. If the new assigned supervisor mode login number is forgotten, please contact Tennant service.

Entering the supervisor mode – first time use only

  1. Turn on the machine. The main operating screen will appear in the display.
  2. Press the help button to access the help screen.
    Pro-Panel home screen with an arrow pointing to the help (?) button
  3. Press the logout button.
    Help screen with an arrow pointing to the logout button
  4. Use the keypad to enter the factory assigned supervisor login number 1234 into the display above the keypad. Press the enter button when finished entering the supervisor login number.
    Login keypad with an arrow pointing to the enter button

    Backspace button icon Press the backspace button if necessary to delete and reenter a number.

  5. The supervisor machine operation screen should appear in the display. Press the settings button to access the supervisor settings screen.
    Supervisor operation screen with an arrow pointing to the settings button
  6. Proceed to ADDING / EDITING PROFILES.

Entering the supervisor mode

  1. Turn on the machine. The login screen will appear on the display.
  2. Use the keypad to enter the supervisor login number into the display above the keypad. Press
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 113, used with permission. SES ref PF-OAE7-UMBT‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‌​​​‌​‍⁠⁠​‍⁠‍⁠​​‌‍‍‌‌​​‌⁠⁠‍‌‌‍‍⁠​
T17 Battery 4021237 Rev. 12 (11-2025)Page 113 of 123
SUPERVISOR CONTROLS

the enter button when finished entering the supervisor login number.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‍​​​‌​‍⁠⁠⁠​‌‌⁠‌​⁠​‌​⁠​‌‌​‌‌​​‌​⁠​

Login keypad with an arrow pointing to the enter button

Backspace button icon Press the backspace button if necessary to delete and reenter a number.

  1. The supervisor machine operation screen should appear in the display. Press the settings button to access the supervisor settings screen.
    Supervisor operation screen with an arrow pointing to the settings button

Supervisor setting screen / screen icons

In shortThe supervisor settings screen is where you set up user passwords, user machine settings and other machine setup items. The icons on the next pages show what each button does.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‍​​​‌​‍⁠⁠⁠​‌‌⁠‌​⁠​‌​⁠​‌‌​‌‌​​‌​⁠​

Use the supervisor maintenance screen to setup / change user passwords, user machine settings, and other machine setup items.

Supervisor settings menu showing Video Help, Add/Edit Profile, Battery Type and Disable Login
Supervisor settings menu showing Calibrate Touch, Export Checklists, Checklist Setup and Camera Settings
Supervisor settings menu showing Checklist Setup, Camera Settings, Date / Time Set and Screen Lock

Up arrow button icon Press the up arrow button to navigate up through the menu items.

Down arrow button icon Press the down arrow button to navigate down through the menu items.

Home button icon Press the home button to navigate back to the main operating screen.

Back button icon Press the back button to navigate back to the previous screen.

Use the below menu buttons to access the various supervisor setup menus / screens.

Video help button icon Press the video help button to access the various machine help videos.

Add / Edit Profiles button icon Press the Add / Edit Profiles button to add, delete, and / or change machine user and supervisor profiles. See ADDING / EDITING PROFILES.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 114, used with permission. SES ref PF-X24M-HUOM‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​‍​​​‌​‍⁠⁠⁠​‌‌⁠‌​⁠​‌​⁠​‌‌​‌‌​​‌​⁠​
T17 Battery 4021237 Rev. 12 (11-2025)Page 114 of 123
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Battery Type button icon Press the Battery Type button to change the type of battery being used in the machine. See CHANGING BATTERY TYPE.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​⁠​​​‌​‍⁠⁠​‌​​‍‍‌‌⁠‍‌‌‌‌​​​‌‍⁠‌⁠⁠⁠

Enable Login button icon Press the Enable Login button to activate a required login number at machine start up for all user profiles to operate machine.

Disable Login button icon Press the Disable Login button to deactivate a login number at machine start up for all user profiles to operate machine. See DISABLING LOGIN

Calibrate Touch button icon Press the Calibrate Touch button to calibrate the touch screen if the touch points become misaligned.

Export Checklists button icon Press the Export Checklists button to access the Export Checklists menu. See EXPORTING CHECKLISTS.

Checklists Setup button icon Press the Checklists Setup button to access the Checklist Setup menu. See DISABLING / ENABLING THE PREOPERATION CHECKLIST.

Camera Settings button icon Press the Camera Settings button to access the Camera Settings screen. See CHANGING REARVIEW CAMERA SETTINGS.

Date / Time Set button icon Press the Date / Time Set button to set the machine date and time. See SETTING / CHANGING THE DATE AND TIME.

Screen Lock button icon Press the Screen Lock button to access the Screen Lock setting Screen. See SETTING THE SCREEN LOCK.

Adding / editing profiles

  1. Turn on the machine, log into the supervisor screen, and press the settings button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE.
  2. Press the Add/Edit Profiles button to access the Add/Edit Profiles screen.
    Supervisor settings menu with an arrow pointing to Add/Edit Profile
  3. Press the Add Profile button to access the Add Profile screen.
    Add/Edit Profile menu with an arrow pointing to Add Profile, above Edit Profile, Copy Profile and Delete Profile

    Add Profile button icon Press the Add Profile button to access the screens and menus to add a new profile.

    Edit Profile button icon Press the Edit Profile button to edit an existing profile.

    Copy Profile button icon Press the Copy Profile button to copy an existing profile.

    Delete Profile button icon Press the Delete Profile button to delete an existing profile.

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

  4. Press the Operator button to add a new operator, or Supervisor button to add a new supervisor.
    Add Profile screen with arrows pointing to the Operator and Supervisor buttons

    NOTE:

    The default supervisor cannot be deleted from the profile list.

    Operator button icon Press the Operator button to add / edit / copy / delete an operator profile.

    Supervisor button icon Press the Supervisor button to add / edit / copy / delete a supervisor profile.

Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 115, used with permission. SES ref PF-5BYO-AHVW‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠​⁠​​​‌​‍⁠⁠​‌​​‍‍‌‌⁠‍‌‌‌‌​​​‌‍⁠‌⁠⁠⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 115 of 123
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  1. Use the keypad to enter the new user / supervisor name. Press the enter button.
    On-screen keyboard with the name TIM entered and an arrow pointing to the enter button
  2. Use the keypad to assign the new user / supervisor a login number. The new login number can be any combination of numbers ranging from 3 to 8 digits in length. Press the enter button.
    Login keypad with 5522 entered and an arrow pointing to the enter button

    Backspace button icon Press the backspace button if necessary to delete and reenter a number.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌​​​​‌​‍⁠⁠‌‌​​⁠‍​​⁠​​⁠‌‌⁠⁠‍⁠⁠‍​​‍‍

  3. Select the controls the new user should have access to use. Green represents unlocked controls and gray represents locked controls. Press the flashing save button to save the new profile.
    New profile screen with name TIM and number 5522, green unlocked controls, a gray locked control and an arrow pointing to the flashing save button

    Help button icon Press the help button to access the help screen.

    New profile screen with a note to give the user access to controls by unlocking them, and a save button

    Back button icon Press the back button to return to the user access page.

  4. The new user profile is now saved to the operator profile list. Multiple operator and supervisor user profiles can be added. Press the back arrow button to return to the previous screen to add more user profiles or to enable login.
  5. To enable the login number at start up, press the Enable Login button.
    Supervisor settings menu with an arrow pointing to the Enable Login button

    The Enable Login button will change from Enable Login to Disable Login. See DISABLING LOGIN for instructions how to disable login.

    Supervisor settings menu with an arrow pointing to the button in the Enable Login position
  6. Now at machine start up, a login screen will display. The new user will need to enter their assigned login number to operate machine.
  7. When the user is done operating the machine, it is recommended the user log out by pressing the help button, and then pressing the logout button. Turning the key to the off position is another way to also logout.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 116, used with permission. SES ref PF-ZS4W-RIGV‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌​​​​‌​‍⁠⁠‌‌​​⁠‍​​⁠​​⁠‌‌⁠⁠‍⁠⁠‍​​‍‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 116 of 123
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  1. Use the Edit Profile button, Copy Profile button, and Delete Profile button to manage the current user profiles.

Enabling the login

In shortEnable Login makes every user enter a login number at machine start up. Disable Login removes that requirement and lets you pick the default user profile.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌‌​​​‌​‍⁠⁠‌⁠‍​⁠‍‍‌‍‌​​​‌‍​​​‍‍⁠⁠⁠‌
  1. Turn on the machine, log into the supervisor screen, and press the settings button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
  2. Press the Enable Login button.
    Supervisor settings menu with an arrow pointing to the Enable Login button
  3. Press the yes button to enter the Default User screen.
    Enable Login confirmation screen asking Are you sure, with an arrow pointing to the yes button
  4. Press either the Operator button or Supervisor button to select the desired default user.
    Default User screen with arrows pointing to the Operator and Supervisor buttons

Disabling the login

  1. Turn on the machine, log into the supervisor screen, and press the settings button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
  2. Press the Disable Login button.
    Supervisor settings menu with an arrow pointing to the Disable Login button
  3. Press the yes button to enter the Default User screen.
    Disable Login confirmation screen asking Are you sure, with an arrow pointing to the yes button
  4. Press either the Operator button or Supervisor button to select the desired default user.
    Default User screen with arrows pointing to the Operator and Supervisor buttons
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 117, used with permission. SES ref PF-3Y5F-EOLJ‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌‌​​​‌​‍⁠⁠‌⁠‍​⁠‍‍‌‍‌​​​‌‍​​​‍‍⁠⁠⁠‌
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  1. Select a pre-assigned user profile. Turn off the machine to apply the setting.
    User list screen with DEFAULT USER, DALE, JOHN and FRED, and an arrow pointing to JOHN
  2. At start up, the home screen is now set without a login requirement for the operator profile as the default.

Changing the battery type

In shortIf you change the battery, tell the machine which type it now has from the supervisor settings screen. Make sure the charger is set for the same battery type before charging.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌‍​​​‌​‍⁠⁠‌‍‍‌⁠‍​​‍‍‌‍​​​‌⁠‍​​​‌‌‍

Batteries and chargers: make sure your charger is compatible with your batteries, and set its charging algorithm to your battery pack before you use it.

Changing the battery type allows the machine to be programmed for the correct battery type if the battery has been changed.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌‍​​​‌​‍⁠⁠‌‍‍‌⁠‍​​‍‍‌‍​​​‌⁠‍​​​‌‌‍

IMPORTANT: Before charging, make sure that the charger setting is properly set for the battery type.

NOTE: Use a charger with the proper rating for the battery to prevent damage to the battery or reduce the battery life.

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE.
  2. Press the Battery Type button to access the battery selection screen.
    Supervisor settings menu with an arrow pointing to the Battery Type button
  3. Press the button for the applicable battery from the list. If necessary, use the up arrow button and the down arrow button to navigate through the list of batteries.
    Battery list with Trojan, Enersys, TAB and Moura Lead-Acid, and an arrow pointing to Enersys
  4. If a battery sub list appears on the screen, press the button for the applicable battery from the list.
    Battery sub list with Discover, TPPL Manufacturer and JCI Optima, and an arrow pointing to TPPL Manufacturer
  5. If Are You Sure appears on the screen, press either the yes button or the no button.
    Are you sure screen for TPPL Manufacturer with an arrow pointing to the yes button

NOTE: If yes button is pushed the supervisor settings screen will reappear in the display. If the no button is pushed the applicable battery sub list will reappear in the display.

Calibrating the touch

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See Entering the Supervisor Mode
  2. Press the Calibrate Touch button to recalibrate touch if the touch points become misaligned.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 118, used with permission. SES ref PF-Q5RA-5HOF‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌‍​​​‌​‍⁠⁠‌‍‍‌⁠‍​​‍‍‌‍​​​‌⁠‍​​​‌‌‍
T17 Battery 4021237 Rev. 12 (11-2025)Page 118 of 123
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Exporting checklists

In shortYou can copy the completed Pre-Operation Checklists from the machine to a flash drive plugged into the machine's USB port. Checklist setup lets the supervisor change the checklist to fit how the machine is used.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌⁠​​​‌​‍⁠⁠‌‍‍⁠⁠⁠​⁠​⁠​‌‍‍‌‍​‌‍⁠​‌‌‌

Exporting the checklists allows the checklists to be exported from the machine and to a flash drive.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌⁠​​​‌​‍⁠⁠‌‍‍⁠⁠⁠​⁠​⁠​‌‍‍‌‍​‌‍⁠​‌‌‌

  1. Turn on the machine, log into the supervisor screen, and press the settings button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
  2. Plug the flash drive into the USB port.
    Control panel with an arrow pointing to the USB port between the two power buttons
  3. Press the Export Checklists button to access the export screen.
    Supervisor settings menu with an arrow pointing to Export Checklists
  4. Export the Pre-Operation Checklists from the machine to the memory stick.
    Export screen with Export new and Export all buttons

    Export New button icon Press the Export New button to export the newly completed Pre-Operation Checklists from the machine.

    NOTE:

    All checklists that have not been previously exported are flagged.

    Export All button icon Press the Export All button to export all completed Pre-Operation Checklists from the machine.

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

  5. Remove the flash drive from USB port and turn off the machine.

Checklist setup

Checklist setup allows the checklist to be setup / changed to meet machine usage demands.

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE.
  2. Press the Checklist Setup button to access the Pre-Operation checklist setup screen.
    Supervisor settings menu with an arrow pointing to Checklist Setup
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 119, used with permission. SES ref PF-SRSW-SWA4‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‌⁠​​​‌​‍⁠⁠‌‍‍⁠⁠⁠​⁠​⁠​‌‍‍‌‍​‌‍⁠​‌‌‌
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  1. Press the Select Questions button to access the Pre-Operation Checklist master list screen.
    Pre-Operation Checklist menu with an arrow pointing to Select Questions, above Every 24 hours and Every Time
    Checklist master list screen showing the question

    Down arrow button icon Press the down arrow button to scroll down through Pre-Operation Checklist items.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍​​​​‌​‍⁠⁠​⁠‌‌‌‍⁠​‍‌​⁠⁠​⁠‌⁠‌​​​‌‌⁠

    Up arrow button icon Press the up arrow button to scroll up through Pre-Operation Checklist items.

    Check box button icon Press the check box button to select a new checklist item to add to the checklist.

    Video help button icon Press either the video help button to view the video related to a particular Pre-Operation Checklist item.

    Enter button icon Press the Enter button to add the selected Pre-Operation Checklist items(s) to the Pre-Operation Checklist.

    Help button icon Press the help button to access the Pre-Operation Checklist help screen.

    Checklist help screen labeling tap check for yes, scroll up, scroll down, back and video help

    Back button icon Press the back button to return to the Pre-Operation Checklist Master List screen.

  2. Press the Every 24 hours button or the Every Time button to set the interval the operator must complete the Pre-Operation Checklist. A check mark appears in the chosen interval.
    Pre-Operation Checklist menu with arrows pointing to the Every 24 hours and Every Time buttons

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

Disabling / enabling the Pre-Operation checklist

In shortA supervisor can turn the Pre-Operation Checklist off or on, depending on whether operators must complete it before running the machine.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍​​​​‌​‍⁠⁠​⁠‌‌‌‍⁠​‍‌​⁠⁠​⁠‌⁠‌​​​‌‌⁠

Disabling / enabling the Pre-Operation checklist allows the Pre-Operation checklist to be disabled if it is not necessary for the operator to complete the checklist prior to operating the machine and enabled if it is necessary for the operator to complete the checklist prior to operating the machine.

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE.
  2. Press the Checklist Setup button to access the Pre-Operation checklist setup screen.
    Supervisor settings menu with an arrow pointing to Checklist Setup
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 120, used with permission. SES ref PF-3F3E-UGAE‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍​​​​‌​‍⁠⁠​⁠‌‌‌‍⁠​‍‌​⁠⁠​⁠‌⁠‌​​​‌‌⁠
T17 Battery 4021237 Rev. 12 (11-2025)Page 120 of 123
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  1. Press the Disable Checklist button / Enable Checklist button to disable / enable the Pre-Operation Checklist.
    Checklist menu showing Disable Checklist, Select Questions, Every 24 hours and Every Time with a check mark
    Checklist menu showing Enable Checklist, Select Questions, Every 24 hours and Every Time

    Home button icon Press the home button to navigate back to the main operating screen.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍‌​​​‌​‍⁠⁠‌⁠‌‌‍⁠⁠​‍⁠​‌‌⁠‌​‌​⁠‌​‌‍​

    Back button icon Press the back button to navigate back to the previous screen.

Changing the rear view camera settings

In shortYou can set how long the rear view camera stays on after the operator presses its button, anywhere from 5 to 15 seconds.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍‌​​​‌​‍⁠⁠‌⁠‌‌‍⁠⁠​‍⁠​‌‌⁠‌​‌​⁠‌​‌‍​

Changing the rear view camera settings allows the time the rear view camera remains on when the rear view camera button is pushed to be changed. The rear view camera can be set to any time between 5 seconds and 15 seconds.

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE.
  2. Press the Camera Settings button to access the rear view camera settings screen.
    Supervisor settings menu with an arrow pointing to Camera Settings
    Rear view camera settings screen showing 7 sec with decrease and increase buttons

    Increase button icon Press the increase button to increase the time the rear view camera remains on when the operator presses the rearview camera button.

    Decrease button icon Press the decrease button to decrease the time the rear view camera remains on when the operator presses the rearview camera button.

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

Programming the zone control buttons

In shortZone control buttons store a brush pressure and solution flow setting under a name, so an operator can recall it with one press (see page 122).

Programming the zone control buttons allows the parameters for the zone control buttons to be changed / updated to meet scrubbing / sweeping demands.

  1. Turn on the machine, log into the supervisor screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 121, used with permission. SES ref PF-QJMB-YHAF‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍‌​​​‌​‍⁠⁠‌⁠‌‌‍⁠⁠​‍⁠​‌‌⁠‌​‌​⁠‌​‌‍​
T17 Battery 4021237 Rev. 12 (11-2025)Page 121 of 123
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  1. Use the brush pressure increase (+) button and the brush pressure decrease (−) button to set the zone brush pressure.
    Pro-Panel home screen with arrows pointing to the brush pressure increase (+) and decrease (-) buttons
  2. Use the solution increase (+) button and the solution decrease (−) button to set the zone solution flow level.
    Pro-Panel home screen with arrows pointing to the solution increase (+) and decrease (-) buttons
  3. Press and hold the zone control button until the "name preset" screen appears.
    Pro-Panel home screen with an arrow pointing to zone control button 3
  4. Press the yes button to set the zone settings. Press the no button to return to the main operating screen.
    Name preset? screen with an arrow pointing to the yes button, above the no button
  5. Use the key pad to enter the name for the zone control button.
    Letter keypad with the name HALLWAY entered and the enter button
    Number keypad with HALLWAY 2 entered and the enter button

    Home button icon Press the home button to navigate back to the main operating screen.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍‍​​​‌​‍⁠⁠‍⁠‌‍‍‌‍‌‍⁠⁠⁠⁠‍‍‌​⁠​‌​‍⁠​

    Back button icon Press the back button to navigate back to the previous screen.

    Enter button icon Press the enter button to set the zone button name.

    Backspace button icon Press the backspace button if necessary to delete and reenter a number.

    Space button icon Press the space button to place space between letters / numbers.

    Pound button icon Press the pound button to toggle between the number keypad and the letter keypad.

  6. Press the enter button to set the zone button settings. The main operating screen returns to the display with the zone button named. The brush pressure and solution flow setting also briefly appear in the display.
    Pro-Panel home screen with an arrow pointing to zone control button 3, now named HALLWAY
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 122, used with permission. SES ref PF-HJ3I-Z6U7‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍‍​​​‌​‍⁠⁠‍⁠‌‍‍‌‍‌‍⁠⁠⁠⁠‍‍‌​⁠​‌​‍⁠​
T17 Battery 4021237 Rev. 12 (11-2025)Page 122 of 123
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Setting / changing the date and time

In shortSet the machine's date and time from the supervisor settings screen. The screen lock delay (never, 30 seconds, or 1 to 5 minutes) is set the same way.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍⁠​​​‌​‍⁠⁠⁠‍⁠⁠‌​‍​‍‍​⁠‍​​‌‍​​​‌‌​​

Setting / changing the date and time allow the system date and time to be set / changed.‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍⁠​​​‌​‍⁠⁠⁠‍⁠⁠‌​‍​‍‍​⁠‍​​‌‍​​​‌‌​​

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
  2. Press the Date/Time Set button to access the date / time screen.
    Supervisor settings menu with an arrow pointing to Date / Time Set
    Date and time screen showing 04:48 PM with date and time buttons, decrease and increase buttons, an enter button and 12HR / 24HR choices

    Date button icon Press the date button to change the system date

    Time button icon Press the time button to change the system time.

    Toggle button icon Press the toggle button to toggle between hours, minutes, and AM / PM on the time screen and the month, day, and year on the date screen.

    Increase button icon Press the increase button advance the time / date parameters

    Decrease button icon Press the decrease button to reverse the time / date parameters.

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

  3. Press the home button when finished setting / changing the system date and time to return to the main operating screen.

Setting / changing the screen lock

The screen lock setting adjusts the amount of time the screen remains unlocked before going into the screen lock mode during operation.

  1. Turn on the machine, login to the main operation screen, and press the setting button to access the supervisor settings screen. See ENTERING THE SUPERVISOR MODE
  2. Scroll down and press the Screen Lock button to access the screen lock screen.
    Supervisor settings menu with an arrow pointing to Screen Lock

    The screen lock delay can be set to never, 30 seconds, or one minute intervals up to 5 minutes.

    Screen lock screen with Never, 30 Seconds (checked), 1 Minute and 2 Minutes, and an arrow pointing to the 30 Seconds button

    Home button icon Press the home button to navigate back to the main operating screen.

    Back button icon Press the back button to navigate back to the previous screen.

    Down arrow button icon Press the down arrow button to scroll down through screen lock times.

    Up arrow button icon Press the up arrow button to scroll up through screen lock times.

  3. Press the home button when finished setting / changing the screen lock time to return to the main operating screen.
Source: Tennant T17 Operator Manual 4021237 Rev. 12 (11-2025), page 123, used with permission. SES ref PF-B6DL-4DFF‌‌​⁠⁠‍‍‌‍‌‍​‌⁠​‍‍‍​⁠​​​​‌⁠‍⁠​​​‌​‍⁠⁠⁠‍⁠⁠‌​‍​‍‍​⁠‍​​‌‍​​​‌‌​​
T17 Battery 4021237 Rev. 12 (11-2025)Page 123 of 123

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