Karcher HD4-0-40PB User Manual
OPERATOR’S MANUAL
R
MODEL # ORDER #
HD 4.0/50 Pb Cage 1.575-200.0
HD 4.5/50 Pb Cage 1.575-201.0
HD 3.4/30 Db Cage 1.575-202.0
HD 3.7/35 Pb Cage 1.575-205.0
HD 4.0/40 Pb Cage 1.575-207.0
To locate your local Kärcher Commercial Pressure Washer Dealer nearest you,
visit www.karchercommercial.com
9.800-084.0
Important Safety Information ................................................................2-3
Component Identifi cation, Single Axle ..................................................... 4
Component Identifi cation, Dual Axle ........................................................ 5
Assembly Instructions .............................................................................. 6
Operating Instructions...........................................................................7-8
Applying Detergent and General Operating Techniques .......................... 9
Shut Down and Clean-Up ......................................................................10
Troubleshooting ................................................................................11-12
Preventative Maintenance and Oil Change Record ............................... 13
Specifi cations ....................................................................................14-15
Hose and Spray Gun Assembly .............................................................16
Warranty ................................................................................................17
CONTENTS
Model Number ______________________________
Serial Number ______________________________
Date of Purchase ___________________________
The model and serial numbers will be found on a decal attached
to the pressure washer. You should record both serial number and
date of purchase and keep in a safe place for future reference.
8.913-996.0 • 8.914-452.0 • 9.807-624.0 • 8.919-013.0 • Rev. 11/13
1
INTRODUCTION & IMPORTANT SAFETY INFORMATION
Thank you for purchasing this Pressure Washer.
We reserve the right to make changes at any time
without incurring any obligation.
Owner/User Responsibility:
The owner and/or user must have an understanding of
the manufacturer’s operating instructions and warnings
before using this pressure washer. Warning information
should be emphasized and understood. If the operator
PRESSURE WASHER
is not fl uent in English, the manufacturer’s instructions
and warnings shall be read to and discussed with
the operator in the operator’s native language by the
purchaser/owner, making sure that the operator comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturers’ instructions.
The operator must know how to stop the machine
quickly and understand the operation of all controls.
OPERATOR’S MANUAL
Never permit anyone to operate the engine without
proper instructions.
SAVE THESE INSTRUCTIONS
This manual should be considered a permanent
part of the machine and should remain with it if
machine is resold.
When ordering parts, please specify model and
serial number. Use only identical replacement parts.
This machine is to be used only by trained operators.
IMPORTANT SAFETY
INFORMATION
WARNING: To reduce the risk of
injury, read operating instructions carefully before using.
1. Read the owner's manual
thoroughly. Failure to follow
instructions could cause mal-
READ OPERATOR’S
MANUAL THOROUGHLY
PRIOR TO USE.
2. Know how to stop the machine and bleed pressure
quickly. Be thoroughly familiar with the controls.
3. Stay alert — watch what you are doing.
4. All installations must comply with local codes.
Contact your electrician, plumber, utility company
or the selling distributor for specifi c details.
function of the machine and
result in death, serious bodily
injury and/or property damage.
WARNING
WARNING: Risk of asphyxiation.
Use this product only in a well
ventilated area.
5. Avoid installing machines in
small areas or near exhaust
RISK OF
ASPHYXIATION. USE
THIS PRODUCT ONLY
IN A WELL
VENTILATED AREA.
fans. Exhaust contains poisonous carbon monoxide
gas; exposure may cause loss
of consciousness and may
lead to death. It also contains
chemicals known, in certain quantities, to cause
cancer, birth defects or other reproductive harm.
WARNING
WARNING: Risk of fi re. Do not
add fuel when the product is
operating.
WARNING: Risk of explosion —
do not spray fl ammable liquids.
RISK OF FIRE.
DO NOT ADD FUEL
WHEN OPERATING
MACHINE.
6. Do not place machine
near flammable objects as the engine is hot.
WARNING: This product contains chemicals known
to the state of California to cause cancer and birth
defects or other reproductive harm. Operation of
this equipment may create sparks that can start
fi res around dry vegetation. A spark arrestor may
be required. The operator should contact: Local
fi re agencies for laws or regulations relating to fi re
prevention requirements.
7. Allow engine to cool for 1-2 minutes before refueling. If any fuel is spilled, make sure the area is
dry before testing the spark plug or starting the
engine. (Fire and/or explosion may occur if this is
not done.)
Gasoline engines on mobile or portable equipment
shall be refueled:
a. outdoors;
b. with the engine on the equipment stopped;
c. with no source of ignition within 10 feet of
the dispensing point; and
d. with an allowance made for expansion of the
fuel should the equipment be exposed to a
higher ambient temperature.
In an overfi lling situation, additional precautions are
necessary to ensure that the situation is handled
in a safe manner.
WARNING: Risk of injury. Disconnect battery
ground terminal before servicing.
8. Transport/repair with fuel tank EMPTY or with fuel
shut-off valve OFF.
2
8.913-996.0 • 8.914-452.0 • 9.807-624.0 • 8.919-013.0 • Rev. 11/13
IMPORTANT SAFETY INFORMATION
PRESSURE WASHER
WARNING
WARNING: Keep wand, hose, and
water spray away from electric
wiring or fatal electric shock may
result.
9. Do not spray water on or near
electrical components.
KEEP WATER
SPRAY AWAY FROM
ELECTRICAL WIRING.
WARNING
WARNING: Flammable liquids
can create fumes which can ignite, causing property damage
or severe injury.
WARNING: Risk of explosion —
Do not spray fl ammable liquids.
RISK OF EXPLOSION:
DO NOT SPRAY
FLAMMABLE LIQUIDS.
WARNING
10. Keep operating area clear of
all persons.
WARNING: This machine exceeds
85 db appropriate ear protection
must be worn.
EAR PROTECTION
MUST BE WORN
WARNING
WARNING: High pressure spray
can cause paint chips or other
particles to become airborne
and fl y at high speeds. To avoid
personal injury, eye, hand and
foot safety devices must be
USE PROTECTIVE
EYE WEAR
AND CLOTHING
WHEN OPERATING
THIS EQUIPMENT.
worn.
11. Eye, hand, and foot protection must be worn when
using this equipment.
WARNING
WARNING: Grip cleaning wand
securely with both hands before
starting. Failure to do this could
result in injury from a whipping
wand.
TRIGGER GUN KICKS
BACK - HOLD WITH
BOTH HANDS
12. To reduce the risk of injury,
close supervision is necessary
when a machine is used near
children. Do not allow children
to operate the pressure washer. This machine must
be attended during operation.
8.913-996.0 • 8.914-452.0 • 9.807-624.0 • 8.919-013.0 • Rev. 11/13
WARNING
WARNING: High pressure developed by these machines will
cause personal injury or equipment damage. Keep clear of
nozzle. Use caution when operating. Do not direct discharge
RISK OF INJECTION
OR SEVERE INJURY
TO PERSONS. KEEP
CLEAR OF NOZZLE.
stream at people, or severe injury or death will result.
13. Never make adjustments on machine while in operation.
14. Be certain all quick coupler fi ttings are secured
before using pressure washer.
WARNING
WARNING: Protect machine from
freezing.
15. To keep machine in best
operating conditions, it is
important you protect machine
from freezing. Failure to protect
PROTECT FROM
FREEZING
machine from freezing could
cause malfunction of the
machine and result in death,
serious bodily injury, and/or property damage. Follow storage instructions specifi ed in this manual.
16. The best insurance against an accident is precaution and knowledge of the machine.
WARNING
WARNING: Be extremely careful
when using a ladder, scaffolding
or any other relatively unstable
location. The cleaning area
should have adequate slopes
and drainage to reduce the pos-
RISK OF INJURY
FROM FALLS WHEN
USING LADDER.
sibility of a fall due to slippery
surfaces.
17. Do not overreach or stand on unstable support.
Keep good footing and balance at all times.
18. Do not operate this machine when fatigued or under
the infl uence of alcohol, prescription medications,
or drugs.
19. Inlet water must be clean fresh water and no hotter
then 90°F.
20. Manufacturer will not be liable for any changes
made to our standard machines or any components
not purchased from us.
21. Do not allow acids, caustic or abrasive fl uids to pass
through the pump.
22. Never run pump dry or leave spray gun closed
longer than 1-2 minutes.
Follow the maintenance instructions speci-
fi ed in the manual.
OPERATOR’S MANUAL
3
COMPONENT IDENTIFICATION — SINGLE AXLE MODELS
Nozzle
Wand
PRESSURE WASHER
OPERATOR’S MANUAL
Spray Gun
Starter
Grip
Pump
High Pressure
Discharge
High Pressure
Hose
Pump — Develops high pressure.
Starter Grip— Used for starting the engine man u al ly.
Spray Gun — Controls the application of water and
de ter gent onto cleaning surface with trigger device.
In cludes safe ty latch.
Detergent Injector — Allows you to siphon and mix
detergents (not shown).
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8.913-996.0 • 8.914-452.0 • 9.807-624.0 • 8.919-013.0 • Rev. 11/13
Water Inlet
Wand — Must be connected to the spray gun.
High Pressure Hose — Connect one end to water
pump dis charge nipple and the other end to spray
gun.
Note: If trigger on spray gun is released for more
than 2 minutes, water will leak from valve. Warm
water will dis charge from pump protector onto fl oor.
This sys tem pre vents internal pump dam age.
COMPONENT IDENTIFICATION — DUAL AXLE MODELS
Nozzle
Wand
PRESSURE WASHER
Spray Gun
Pump
OPERATOR’S MANUAL
High Pressure
Pump — Develops high pressure.
Spray Gun — Controls the application of water and
detergent onto cleaning surface with trigger device.
Includes safety latch.
Detergent Injector — Allows you to siphon and mix
detergents (not shown).
Wand — Must be connected to the spray gun.
8.913-996.0 • 8.914-452.0 • 9.807-624.0 • 8.919-013.0 • Rev. 11/13
High Pressure
Hose
Water Inlet
Discharge
High Pressure Hose — Connect one end to water
pump discharge nipple and the other end to spray
gun.
Note: If trigger on spray gun is released for more
than 2 minutes, water will leak from valve. Warm
water will discharge from pump protector onto fl oor.
This system prevents internal pump damage.
5
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