COVER

KaiVac® 2100 Series Operator and Parts Manual

Line drawing of the KaiVac 2100 Series machine, a tall upright cart with a large body, a handle on the right side, a coiled hose on the left, a lid on top, two large wheels at the back and small casters at the front

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 1, used with permission. SES ref PF-CFGH-DB4Z‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌⁠‍⁠‍‍‍⁠‌‍‍‌‍‍‌⁠⁠‌⁠‌‌‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 1 of 29

READ FIRST

Read First

In short Read this manual before operating the machine. The machine works at its best when it is operated as described, maintained regularly per the maintenance instructions, and maintained with manufacturer parts only. The page also tells you to inspect for shipping damage and lists the manual contents.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌⁠‍⁠‌‍‍⁠‌‌‍‍‍⁠‌⁠‍‌‌‌

INSTALL DATE

Please fill out card for future records‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌⁠‍⁠‌‍‍⁠‌‌‍‍‍⁠‌⁠‍‌‌‌

Install date__________________
Serial No.___________________

Read this manual prior to operation.
This machine will operate at its optimal efficiency if:

The machine is operated as described in this manual.
The machine is maintained properly and regularly-per maintenance instructions.
The machine is maintained with manufacturer parts only.

Carefully unpack and inspect your new KaiVac cleaning machine for shipping damage. Each unit is tested and thoroughly inspected before shipping. For instructions regarding shipping damage, contact Kaivac, Inc. immediately. All returns must have a Return Authorization Number (RAN), which is available by calling the Kaivac, Inc. Customer Service Department. Remember to protect your investment by registering your Warranty online at www.kaivac.com or mailing/faxing in the form on page ii.

Topic	Page
Getting Started
Limited Warranty Protection Plan	i
Warranty Registration Form	ii
Introduction	1
Safety Precautions	2-3
Operating your KaiVac
Preparing your KaiVac for use	5
Operating your KaiVac using the S-I-M-P-L-E Process	6
Maintaining your KaiVac
Machine Maintenance	7
Vac Tank Cleanout Instructions	8
Hepa filter replacement Instructions	9
Troubleshooting	10-12
Machine Diagrams	13-19
Parts Listings	20-22

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 2, used with permission. SES ref PF-SLW2-ZMSN‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌⁠‍⁠‌‍‍⁠‌‌‍‍‍⁠‌⁠‍‌‌‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 2 of 29

LIMITED WARRANTY

Limited Warranty Protection Plan

In short This page explains the warranty periods for the KaiVac depending on which chemicals are used. Warranty claims need a Return Authorization Number (RAN) from Kaivac, Inc. Customer Service, and wear items and damage from misuse are excluded.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠‌⁠⁠‌‍‌‌‌⁠‌‍‌

The KaiVac has been engineered and tested to provide long lasting performance. This warranty covers defects in workmanship or materials under normal use and service from the date of purchase.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠‌⁠⁠‌‍‌‌‌⁠‌‍‌

Kaivac, Inc. warrants the following components to be free from defects in materials and workmanship for these time periods:

Extended Warranty for end users who use only Kaivac chemicals for the life of the machine.
- 5 years on rotationally molded parts
- 3 years on other parts (excluding wear items)
- 1 year on labor
Standard Warranty (for approved non-Kaivac chemicals)
- 1 year parts and labor
Chemicals that have not been approved by Kaivac. (If uncertain, please call Kaivac to check.)
- No warranty

All KaiVac replacement parts are guaranteed for 90 days from the date of installation. Normal wear items such as wheels, hoses, seals, gaskets, cords, casters, squeegees and GFCI are excluded from warranty coverage.

All warranty claims must be accompanied by a Return Authorization Number (RAN), which is available by calling the Kaivac, Inc. Customer Service Department. No returns will be accepted without a RAN.

This warranty does not apply to return freight costs, damage or defect caused by accident, negligence, misuse, fire or repair done by anyone other than a Kaivac authorized repair center. In no event shall Kaivac, Inc. be liable for incidental or consequential damages, or any damages to persons or property.

Please Note: Under no circumstances will the seller be liable for any loss, damage, expenses or consequential damages arising in connection with the use or inability to use seller’s product. Kaivac, Inc. reserves the right to make changes or improvements to its equipment without notice. Some states do not allow the exclusion or limitation of incidental or consequential damages. This warranty is in lieu of any other warranty expressed or implied, including any warranty of merchantability or fitness for a particular purpose.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 3, used with permission. SES ref PF-ZNUZ-TUO7‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠‌⁠⁠‌‍‌‌‌⁠‌‍‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 3 of 29

WARRANTY REGISTRATION

Warranty Registration Form

In short This form is filled out by the customer who buys the equipment. It is mailed or faxed to Kaivac within ten days of purchase to register for the warranty program.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌⁠‌⁠‌⁠⁠⁠⁠‍‍‌‌⁠‍⁠⁠⁠‌‍‌

To be completed and mailed or faxed by the customer purchasing equipment.
Return this warranty card within ten days of purchase.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌⁠‌⁠‌⁠⁠⁠⁠‍‍‌‌⁠‍⁠⁠⁠‌‍‌

Purchased By:

Name ____________ Title ____________

Company ____________

Street Address ____________

City ____________ State ____________ Zip Code ____________

Phone Number ____________ Fax ____________

Date Purchased ___/___/___ Name of Distributor ____________

I would like to receive updated information Yes ____ No ____

Email address: ____________

☐ KaiVac® 1550 (KaiZen™) ☐ KaiVac® 1750 ☐ KaiVac® 1220
☐ KaiVac® 1720 ☐ KaiVac® 2150 ☐ KaiVac® 1250

Serial Number ____________

Type of Business

☐ School/University ☐ Industrial
☐ Hospital/Health Care ☐ Office
☐ Contract Cleaner ☐ Other ____________

Intended Uses (check all that apply):

☐ Restroom Cleaning ☐ Cleaning Around Machinery ☐ Classroom Cleaning
☐ Floor Stripping ☐ Stairwell Cleaning ☐ Other ____________
☐ Kitchen Cleaning ☐ Locker and Shower Room
☐ Carpet Extraction ☐ Hallway Cleaning

Thank you for registering for our warranty program. As our way of saying thanks, we'd like to send you a free microfiber KaiTowel™.

Please return completed forms to:

Kaivac, Inc.
401 S. Third Street
Hamilton, OH 45011

Or Fax to: (513) 887-4601

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 4, used with permission. SES ref PF-5CRY-4OVQ‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌⁠‌⁠‌⁠⁠⁠⁠‍‍‌‌⁠‍⁠⁠⁠‌‍‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 4 of 29

Introduction

Inspection

In short Check the new machine for shipping damage when you unpack it, and contact Kaivac, Inc. right away if you find any. Returns need a Return Authorization Number from Customer Service.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌‌⁠⁠‍‌⁠‍‍⁠⁠⁠⁠‍‍‌‍

Carefully unpack and inspect your new KaiVac cleaning machine for shipping damage. Each unit is tested and thoroughly inspected before shipping. For instructions regarding any shipping damage, contact Kaivac, Inc. immediately. All returns must have a Return Authorization Number (RAN), which is available by calling the Kaivac, Inc. Customer Service Department.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌‌⁠⁠‍‌⁠‍‍⁠⁠⁠⁠‍‍‌‍

Warnings

In short This list gives the basic do's and don'ts for operating the machine, covering the cord, flammable materials, the pump, water temperature, the float shutoff, chemical testing and freezing temperatures.

DO NOT operate with a frayed, worn or damaged electrical cord.
DO NOT use to pick up flammable or combustible materials.
DO NOT run the pump without water in the water tank.
DO NOT use hot water.
DO NOT remove the float shutoff.
ALWAYS test chemicals for compatibility on surfaces to be cleaned.
ALWAYS winterize your Kaivac equipment between uses if it will be exposed to freezing temperatures.

Grounding Instructions

In short The machine must be grounded and plugged into a properly installed, grounded outlet. Do not cut the ground wire or modify the plug, and have a qualified electrician check or install the outlet if needed.

THE KAIVAC MUST BE GROUNDED. If it should malfunction or stop working, grounding provides a path of least resistance for the electrical current and reduces the risk of electrical shock. The KaiVac is equipped with a ground fault circuit interrupter (GFCI) to further reduce danger of electric shock. It must be maintained and tested regularly. An equipment grounding cord and plug is included with the unit. The plug must be inserted in an appropriate outlet that has been properly installed and grounded in accordance with all local codes and ordinances. Cutting off the ground wire or using a cord with an ungrounded plug will void the warranty on the unit, and Kaivac, Inc. will NOT accept responsibility for the unit.

Improper connection of the equipment grounding cord can result in the risk of electrical shock. Ask a qualified electrician or service person to check the outlet grounding if you are unsure. Do not modify the plug provided with the KaiVac. If it will not fit the outlet, have a properly grounded outlet installed by a qualified electrician.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 5, used with permission. SES ref PF-HWXD-O7NB‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌‌⁠⁠‍‌⁠‍‍⁠⁠⁠⁠‍‍‌‍

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 5 of 29

Safety Precautions

In short This section lists the safety rules for using the KaiVac: get training, use the machine only as intended, use a GFCI, wear protective gear, and protect the pump. It also explains how to winterize the machine before exposure to freezing temperatures.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‍‌⁠‌‍⁠⁠⁠‌‍⁠‍⁠⁠‍‌‌⁠⁠⁠⁠‍‍‌

Equipment Warning

Read all instructions to ensure safe operation of the KaiVac.

Training

Proper training is required before using the KaiVac. Contact your authorized Kaivac distributor for training information.
Instruction placards are attached to each KaiVac and should not be removed.
These placards show proper cleaning procedures and safety precautions.

Equipment Use

Use the equipment for the purposes specified by the manufacturer. Do not use the equipment for any other purpose.
See the S-I-M-P-L-E operation section for proper use of equipment.

Spray Gun

Never point the spray gun at people.

Prevention of Electrocution

Use the ground fault circuit interrupter (GFCI) with the KaiVac at all times.
Test the GFCI before each use.
Do not spray liquid from the KaiVac onto electrical outlets or on any electrical devices.

Personal Protection

Wear gloves, eye protection and ear protection when operating the KaiVac.

Machine Integrity

Do not run the pump dry. This will void the machine warranty.
Do not run hot water through the pump. This can cause pump cavitation and will void the warranty.
Always be sure the water tank and water line filters are clear of debris. Running the pump with clogged filters can cause pump damage.
Replace any damaged cords before use.

Winterize your Kaivac Equipment

Your Kaivac machinery should be winterized between uses if it is to be exposed to freezing temperatures.
To winterize your machine:
- Pour 1/2 gallon of windshield wiper fluid into the empty water tank.
- Aim the spray gun into the water tank.
- Run the pump and spray the gun until the fluid begins running through.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 6, used with permission. SES ref PF-WBJX-I6OF‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‍‌⁠‌‍⁠⁠⁠‌‍⁠‍⁠⁠‍‌‌⁠⁠⁠⁠‍‍‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 6 of 29

SAFETY

Chemical Use

In short This page covers safe use of chemicals, the power cord and water around the machine. Use only approved chemicals, keep chemicals out of the water tank, plug into a grounded outlet, and use the machine only on water resistant surfaces.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌⁠‌⁠‌⁠‌‍⁠‌‍‌‍‍⁠⁠‍‌‌‌⁠⁠⁠‍

Only use chemicals approved for use with the KaiVac. Use of non-Kaivac chemicals may cause machine damage and will reduce warranty periods. Turn chemical line off when not in use.
Keep the appropriate chemical MSDS on hand at all times.
Cleaning chemicals should not be put in the water tank (with the exception of KaiDri in small amounts). Chemicals in the water tank can harm operator and machine because:
- Chemicals in the water tank must pass through the pump, which may cause premature pump failure.
- Use of chemicals in the water tank voids the warranty.
- Chemicals in the water tank will be aerosolized and may harm the operator.

Electrical

Connect to a properly grounded outlet only.
Do not pull the KaiVac by the cord or use the cord as a handle.
Do not close a door on the cord or pull the cord around sharp edges or corners.
Do not run over the cord.
Keep the cord away from heated surfaces.
Turn off the unit before unplugging.
Do not pull on the cord to unplug. Grasp the plug at the outlet and pull.

Prevention of Water Damage to Buildings

The KaiVac is to be used on water resistant building surfaces only. These include concrete, terrazzo, ceramic tile and quarry tile.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌⁠‌⁠‌⁠‌‍⁠‌‍‌‍‍⁠⁠‍‌‌‌⁠⁠⁠‍

The KaiVac may be used for stripping on vinyl composite tile floors, but daily cleaning of resilient flooring using the KaiVac is not recommended.

Never overflow the water tank or the vacuum recovery tank.

Discontinue use if any leaks occur in the KaiVac.

CAUTION: Prior to cleaning, always inspect area to ensure that the surfaces to be cleaned are water- safe. In addition, check for poor construction, damaged walls and floors, missing or damaged tiles or grout, missing or insufficient caulk, and loose wall coverings. If problems are discovered, resolve them prior to cleaning in order to avoid any harm that may result from exposure to water or cleaning solution.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 7, used with permission. SES ref PF-WPW7-7ZHE‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌⁠‌⁠‌⁠‌‍⁠‌‍‌‍‍⁠⁠‍‌‌‌⁠⁠⁠‍

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 7 of 29

PREPARING YOUR KAIVAC FOR USE

Prepairing your Kaivac For Use

In short This section lists five checks to make before using the machine: fill it with water, prepare the cleaning solution, confirm tools and supplies, inspect hoses and spray lines, and test the GFCI.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌⁠‍‌⁠⁠⁠‍⁠‍⁠⁠‌⁠⁠‌⁠⁠‌‌

Fill machine with clean cool water.
Prepare the cleaning solution you will be using by attaching the chemical feed line and cap to the top of your chemical bottle and selecting the proper metering tip. (See placards for metering tip information.)
Check machine for all tools and supplies needed to complete task.
Check all hoses and spray lines for damage prior to use. If damage is found, do not continue until proper repairs are completed.
Plug in machine and test GFCI (Ground Fault Circuit Interrupter) to ensure it is working properly. You are now ready.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 8, used with permission. SES ref PF-TLGM-XRXJ‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌⁠‍‌⁠⁠⁠‍⁠‍⁠⁠‌⁠⁠‌⁠⁠‌‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 8 of 29

OPERATION

Operating your KaiVac using the S-I-M-P-L-E Process

In short This page is a picture guide to the six steps of the S-I-M-P-L-E process: Set-up, Inject chemicals, Manual brush (optional), Pressure wash and rinse, Loop spray line, and Extract and dry. It shows fill, spray mode, brushing, hose looping and floor extraction actions.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌‌⁠⁠⁠⁠‍‍⁠‌‌‍⁠⁠‌⁠⁠⁠‌‌⁠⁠

Set-up

Fill with clean, cool water‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌‌⁠⁠⁠⁠‍‍⁠‌‌‍⁠⁠‌⁠⁠⁠‌‌⁠⁠

Add 1 cap of KaiDri (for spot-free rinsing)

Select metering tip and insert into cap barb

Set-up step: a hand pours clean, cool water into the machine tank, one cap of KaiDri is added to the tank for spot-free rinsing, and a metering tip is selected and inserted into the cap barb of a bottle

Inject chemicals

Chemicals

Fan spray

LOW Pressure Mode

Manual brush (optional)

Manually brush heavily soiled areas

Manual brush step: an operator brushes the floor with a long-handled brush, a worker crouches to brush heavily soiled areas beneath a counter, and another brushes a staircase

Pressure wash and rinse

Fresh Water

Fan spray

HIGH Pressure Mode

Pinpoint Spray

Top to Bottom

Loop spray line

Clockwise

Hook

Adjust last loop (if needed)

Extract and dry

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 9, used with permission. SES ref PF-F6UD-6BMF‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‌‌⁠⁠⁠⁠‍‍⁠‌‌‍⁠⁠‌⁠⁠⁠‌‌⁠⁠

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 9 of 29

MACHINE MAINTENANCE

Machine Maintenance

In short This section lists what to check and do for each part of the machine: floor squeegee, spray gun, pressure hose, water tank, vacuum tank, leaks and the electrical system. Always unplug the machine before lifting the electric cover assembly.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‍‌⁠‍‍‌‌⁠‍‌‍‍‍‍‌‍‍⁠‍‌‍‌

CAUTION Always make sure machine is unplugged before lifting electric cover assembly.

Item	Procedure
Floor Squeegee	Check condition of rubber squeegee blades and wheels on the floor tool. Rough floor surfaces will cause the blades and wheels to wear out more quickly. Replace as necessary.
Spray Gun	Check spray pattern. If spray pattern will not pinpoint, clean orifice by removing it with an Allen wrench and flushing. Replace if not pinpointing. If nozzle becomes difficult to move from high to low pressure lubricate nozzle with lithium grease.
Pressure Hose	Wipe clean after each use. Check for cuts or frays in the hose jacket, particularly at the end of the fittings. Replace hose if cuts are found.
Water Tank	Check condition of filter in water tank. Clean as needed. Empty the water tank to prevent mildew and bacteria growth. Empty tank by dipping the vacuum hose onto the water tank and transferring the water to the vacuum tank.
Vacuum Tank	Empty and flush vacuum tank. Clean and disinfect. Check the float shutoff screen to be sure it is not plugged up. A plugged filter screen restricts airflow and results in reduced suction.
Leaks	Be alert for leaks around hoses, fittings, spray wand, tanks or elsewhere. Discontinue use until leaks are repaired.
Electrical System	The ground fault circuit interrupter (GFCI) must be tested before each use. Electric cords must be inspected for tears or cuts in the insulation.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 10, used with permission. SES ref PF-VWWW-72OY‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍‍‌⁠‍‍‌‌⁠‍‌‍‍‍‍‌‍‍⁠‍‌‍‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 10 of 29

Tank and Hose Cleaning

In short This page shows how to flush the vac hose and water tank, dry and wrap the hose, and rinse the inside of the vac tank. Keep the vac motor running while drying and wrapping the hose.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍⁠‌⁠⁠‌⁠‍⁠‍‌⁠⁠‍‍‌⁠‌‍⁠

Unwrap vac hose and lay it on floor.
Suck water and air from water tank. Lower hose end to surface of water gulping both air and water. This action flushes soils from line and quickly empties water tank.

Person on the machine's side holding the vac hose over the water tank, with an arrow showing water being drawn up, and the unwrapped hose lying coiled on the floor — 1

Cutaway of the water tank showing the vac hose end held at the water surface, gulping air and water, with an upward arrow — 2

*Dry vac hose by connecting hose ends to vac motor, then discharge air into vac tank‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍⁠‌⁠⁠‌⁠‍⁠‍‌⁠⁠‍‍‌⁠‌‍⁠

Person wrapping the vac hose onto the machine while the vac motor runs, with arrows showing the hose path — 3

Vac hose can now be wrapped onto machine. Leave vac motor running while wrapping to avoid water dripping from end of hose. To completely dry hose leave vac motor running for about 3 minutes.
With Dump Hose opened to floor drain, spray inside of vac tank with clean water moving hose in a circular pattern to insure tank walls and float shutoff are rinsed.

Hand spraying water with the hose inside the open vac tank in a circular pattern, with the control box beside the tank opening — 4

Machine with the vac hose ends connected to the vac motor to discharge air into the vac tank and dry the hose — Dry vac hose by connecting hose ends to vac motor, then discharge air into vac tank

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 11, used with permission. SES ref PF-RTOS-JQWV‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‍⁠‌⁠⁠‌⁠‍⁠‍‌⁠⁠‍‍‌⁠‌‍⁠

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 11 of 29

Hepa Filter Replacement Instructions

In short This page shows how to remove the Hepa filter in five illustrated steps. You take off the cover, the filter keeper and the filter, and then repeat the steps in reverse to fit a replacement.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠⁠⁠‌‌‌‌‍⁠⁠⁠⁠‌‌‍‍‌

Step 1: side of the machine with an arrow showing the Hepa cover being unscrewed, with wingnut (A) and washer (B) pulled off along a dashed line — 1

Remove wingnut (A) and washer (B) from Hepa Cover as shown above.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠⁠⁠‌‌‌‌‍⁠⁠⁠⁠‌‌‍‍‌

Step 2: Hepa cover (C) sliding off its stud on the side of the machine along a dashed arrow — 2

Slide Hepa (C) cover off of stud to remove.

Step 3: threaded rod and wingnut (D) being pulled out of the center of the filter keeper on the side of the machine — 3

Remove threaded rod/wingnut (D) combination to free the Filter Keeper.

Step 4: filter keeper (E) being pulled off the filter opening on the side of the machine along a dashed arrow — 4

Remove the Filter Keeper (E)

Step 5: Hepa filter (F), a cylindrical filter, being pulled out of the opening on the side of the machine along a dashed arrow — 5

Remove Hepa filter (F) and Repeat the steps in reverse to replace.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 12, used with permission. SES ref PF-DNQ5-2VM7‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌⁠⁠⁠‌‌‌‌‍⁠⁠⁠⁠‌‌‍‍‌

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 12 of 29

Troubleshooting

In short This table lists problems by area (electrical, vacuum system, BlowDry system and optional DVD system) with the possible causes and the matching solutions. Always unplug the machine before lifting the electric cover assembly.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌‌⁠‍‌⁠‍⁠‌‍⁠‌‍⁠‌⁠‌‍⁠‍‍‍

CAUTION Always make sure machine is unplugged before lifting electric cover assembly.

Area	Problem	Possible Cause	Solution
Electrical	No power to pump or vac motor.	Machine not plugged in. Switch not on. GFCI tripped. Building circuit overloaded. Switch wires loose. Connections loose.	Plug machine in. Check switches for "on." Test and reset GFCI. Check and reset circuit. Disconnect power and check for loose wire. Disconnect power and check for loose wire under panel.
Electrical	Electrical burning smell.	Vac motor brushes worn. Vac motor hung up. Pump motor hung up.	Remove vac motor and repair. Release pressure on hose and jog pump switch, or replace.
Vacuum System	No/Weak vacuum.	Vac tank full. Squeegee blades or wheels worn. Float shutoff screen dirty. Float ball stuck. Damaged hose. Dump hose plug missing. Access lid not tight. Vacuum hose plugged. Too much liquid in vac hose. Vac hose still wrapped. Muffler plugged. Leak in vac tank.	Empty vac tank. Replace wheels or blades and check periodically. Wipe off float screen to clean. Tap float and release/clean. Cut and repair/replace. Contact dealer and replace. Tighten lid hand tight. Flush hose to remove debris. Allow air in when vacuuming. Unwrap vac hose fully. Remove HEPA filter and clean. If repairable, clean and dry affected area and seal with silicone.
Vacuum System	Moisture from exhaust.	Vac tank full. Float shutoff missing. Excessive foam in vac tank.	Dump vac tank. Replace. Use defoamer.
BlowDry System	No air flow.	Hose disconnected.	Reconnect hose.
	Moisture from nozzle.	Water in blow hose.	Dry blow line.
	Suction, not blow action.	Vacuum hose connected to vac tank.	Reconnect to vac motor exhaust hose.
DVD System (optional)	No power.	Power cord not connected Power switch not on.	Plug cord into DVD player. Turn switch on DVD player on.
	No picture.	Screen is blank.	Close and re-open lid. Play.
	No audio.	No sound from player	Check volume control knob.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 13, used with permission. SES ref PF-TJ75-PF3Q‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‌‌⁠‍‌⁠‍⁠‌‍⁠‌‍⁠‌⁠‌‍⁠‍‍‍

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 13 of 29

Troubleshooting

In short This section is a table of problems, likely causes and fixes for the high pressure system and the chemical injection system. Unplug the machine before lifting the electric cover assembly, then find your symptom and work through the numbered causes and matching solutions.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‍‌⁠⁠‍‍‌‍‌‍‌‍‌⁠‌⁠⁠‍⁠

CAUTION Always make sure machine is unplugged before lifting electric cover assembly.

Area	Problem	Possible Cause	Solution
High Pressure System	No water from pump or low pressure.	Out of water. Gun nozzle plugged. Air in pump (vapor lock). Gun orifice missing. Water tank filter plugged. In-line bowl filter plugged. Bowl filter lid loose. Pressure hose damaged. Quick disconnect leaking. Injector plugged. Pulse hose damaged. Regulator failed. Hose kinked. Seals in pump need replaced.	Fill water tank. Remove orifice with Allen wrench and clean. Use power prime technique. Replace orifice. Clean tank and filter. Remove filter cover and clean. Gently tighten bowl cover. Repair or replace. Tighten or replace. Remove safety cap from chemical and blow small amounts of compressed air into line. Repair or replace. Replace. Unkink and check for damage Remove and replace seals.
High Pressure System	Bad fan pattern or pinpoint pattern on gun.	Debris in nozzle. Orifice damaged.	Remove orifice with Allen wrench and clean. Remove and replace.
Chemical Injection System	No chemical flow.	Out of chemical. Safety cap not secure. Chemical valve "off." Safety cap plugged. Spray gun in wrong mode. Metering tip plugged. Injector plugged. Air entering system. Injector installed backwards.	Refill chemical. Check safety cap / tighten. Check on / off valve. Replace cap. Make sure gun nozzle is pulled out away from gun chemical mode. Check metering tip for clog. Remove safety cap from chemical and blow small amounts of compressed air into line. Check for air entering system around chemical lines or injector. If fluttering or pulsing sound can be heard while spraying or when machine is running it is possible that your injector is in backwards. Remove and reinstall.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 14, used with permission. SES ref PF-KT7V-BHOT‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠‍‌⁠⁠‍‍‌‍‌‍‌‍‌⁠‌⁠⁠‍⁠

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 14 of 29

Troubleshooting

In short This chart lists common problems by area, with the possible causes and the fix for each. This page covers the chemical injection system, dump system, wheels and casters, and squeegee head. The machine must be unplugged before the electric cover assembly is lifted.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠⁠‌⁠⁠‍⁠⁠‌‍‌‍⁠‍‌‍⁠‍⁠⁠⁠‌‌‍

CAUTION Always make sure machine is unplugged before lifting electric cover assembly.

Area	Problem	Possible Cause	Solution
Chemical Injection System Con’t.	Not enough chemical flow.	Metering tip plugged. Wrong metering tip.	Remove and clean. Check and replace per chart.
	Chemical line blows off safety cap.	Debris in injector.	Remove safety cap from chemical and blow small amounts of compressed air into line.
	Water backflows into chemical bottle.	Bad seat on injector check valve. Bad safety cap.	Check injector o-ring or replace. Replace safety cap.
Dump System	Dump hose will not empty tank.	Dump hose plug not removed. Clog in bottom of tank.	Remove plug. Tip dump contents, remove debris.
Dump System	Dump hose leaks.	Hose cut. Clamp loose. Dump plug bushing missing. Plug missing.	If leak is less than 4" from tank side, cut and reattach, or replace. Tighten hose clamp. Replace bushing. Replace plug.
Wheels and Casters	Wheels won’t roll, or they rub.	Flat tires. Debris wrapped around axle. Bearings tight. Wheels too loose on axle. Bearings falling out.	Inflate tires to 30 p.s.i. Check for debris on axle. Grease bearings. Remove wheel, add washers to take up slack. Replace bearing assembly.
Squeegee Head	Floor streaks.	Worn blades or wheels.	Replace wheels and / or blades.
	Squeegee head doesn’t easily rotate when installed on wand.	Brass ring on wand not in groove. Coupling nut too tight.	Loosen coupling nut and re-position head on groove. Loosen 1/2 turn.
	Head won’t stay on wand.	Coupling nut cracked. Brass ring worn.	Replace. Replace.
	Premature blade wear.	Squeegee wheels worn.	Check wheels for wear / replace.
	Sucks to the floor too tightly.	Squeegee wheels worn.	Check wheels for wear / replace.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 15, used with permission. SES ref PF-F5QD-2H43‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌⁠⁠‌⁠⁠‍⁠⁠‌‍‌‍⁠‍‌‍⁠‍⁠⁠⁠‌‌‍

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 15 of 29

TOOL ARRANGEMENT

Tool Arrangement

Front Right View

Rear Right View

Overhead View

Bottom View

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 16, used with permission. SES ref PF-5FBG-ACTD‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌⁠‌‍‌‌⁠⁠‍‌⁠⁠‍⁠⁠‌⁠‍

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 16 of 29

WIRING DIAGRAM

Wiring Diagram Kaivac 2100 series

In short This page shows the wiring diagram for the Kaivac 2100 series. It shows how the power cord with GFCI, the vacuum, the pump, the hour meter, the two switches and the control box are connected, and gives the wire color codes.‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌‌⁠⁠⁠‌⁠‍⁠⁠⁠⁠⁠‍⁠‍⁠‌⁠

Abbreviation	Meaning
RD	RED
BL	BLUE
BK	BLACK
W	WHITE
G	GREEN
GFCI	GROUND FAULT CIRCUIT INTERRUPTER

Wiring diagram of the Kaivac 2100 series. A power cord with a GFCI module carries green, white and black wires down to a branching harness. Branches go to the vacuum motor (green, white, black), the hour meter, two switches at the right, a control box at the lower right, and the pump (green, black, red). Wires are labeled G, W, BK, BL and RD.

Source: Kaivac 2150 S/N 1-1256 Operator Manual 2150_SN_1_thru_1256_01 Rev. 2007, page 17, used with permission. SES ref PF-MOEL-EYXV‌‌⁠⁠‌‍‍‌‍⁠‌⁠‍‌‌‌‌⁠⁠⁠‌⁠‍⁠⁠⁠⁠⁠‍⁠‍⁠‌⁠

2150 S/N 1-1256 2150_SN_1_thru_1256_01 (2007)Page 17 of 29

KaiVac® 2100 Series Operator and Parts Manual

Read First

INSTALL DATE

TABLE OF CONTENTS

Limited Warranty Protection Plan

Warranty Registration Form

Type of Business

Intended Uses (check all that apply):

Introduction

Inspection

Warnings

Grounding Instructions

Safety Precautions

Equipment Warning

Training

Equipment Use

Spray Gun

Prevention of Electrocution

Personal Protection

Machine Integrity

Winterize your Kaivac Equipment

Chemical Use

Electrical

Prevention of Water Damage to Buildings

Prepairing your Kaivac For Use

Operating your KaiVac using the S-I-M-P-L-E Process

Set-up

Inject chemicals

Manual brush (optional)

Pressure wash and rinse

Loop spray line

Extract and dry

Machine Maintenance

Tank and Hose Cleaning

Hepa Filter Replacement Instructions

Troubleshooting

Troubleshooting

Troubleshooting

Tool Arrangement

Front Right View

Rear Right View

Overhead View

Bottom View

Wiring Diagram Kaivac 2100 series

Not Sure Which Machine Fits Your Floors?