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IMPORTANT PRECAUTIONS – 

Read First!

Safety Warnings

When using this product basic 
precautions should always be followed:

• Read all the instructions before using the

product.

FIRE HAZARD!

Do not add fuel with the

engine running. Do not operate if fuel has
been spilled. Instead move the machine
to a different location and avoid creating
sparks. 

• Operate and fuel machine in a well venti-

lated area, free of devices featuring an
open pilot or flame such as boilers, water
heaters, etc.

• High pressure jets can be dangerous 

if subject to misuse. The jet must not be
directed at persons, animals, electrical
devices, or the machine itself.

• Wear safety goggles.

• Do not use acids, solvents, or any other

flammable material in this product. These
products can cause physical injuries to
the operator and irreversible damage to
the machine.

• The machine has hot surfaces which can

cause burns. Operate the unit in a safe
environment and away from children.

• Do not allow the high pressure hose to 

come into contact with the muffler guard.

• Do not leave the machine running 

unattended.

• Learn how to stop the machine and

release pressure quickly. Be thoroughly
familiar with the controls.

• Stay alert — watch what you are doing.

• Do not operate the product when fatigued

or under the influence of alcohol or drugs.

• Do not stand on unstable surfaces. Stand

with both feet balanced at all times.

• The Gun Safety Lock PREVENTS the

trigger from accidentally being engaged.
This safety feature DOES NOT lock trigger
in the on position.

Water Supply
(Cold Water Only)

• Water hose must be at least 3/4 inch in

diameter.

• Flow rate of water supply must not fall

below 2.5 GPM (gallons per minute).

• Flow rate can be determined by running

the water for one minute into an empty 
5-gallon container.

• The water supply temperature must not

exceed 104°F/40°C.

• Never use the pressure washer to draw in

water contaminated with solvents, e.g.
paint thinners, gasoline, oil, etc.

• Always prevent debris from being drawn

into the unit by using a clean water
source. 

We strongly recommend that this high
pressure washer not be left running for
periods of 5 minutes or longer without
the trigger gun being engaged.

This Kärcher high pressure washer is
equipped with thermal protection to
extend the life of your pressure washer.
The thermal protector will automatically
activate at a predetermined high temper-
ature ejecting hot water before resetting.
This ensures that the pump does not
become damaged. 

Caution

•  Follow the maintenance instruc-

tions specified in the manual.

• This machine has been designed

for use with cleaning detergent
supplied or recommended by the
manufacturer. The use of other
cleaning detergents may affect the
operation of the machine and void
the warranty.

Summary of Contents for K4400G

Page 1: ...Working with Detergents 6 Shut Down and Clean Up 7 Taking a Break 7 Winterizing and Long Term Storage 7 Cleaning Tips 8 9 Optional Cleaning Accessories 9 Trouble Shooting 10 11 Model K 4400 G Part No...

Page 2: ...ERVIEW Never point nozzle at people or animals Never drink alcohol or use drugs while operating this equipment Never spray electrical connections electrical outlets or fixtures Never add fuel with the...

Page 3: ...uence of alcohol or drugs Do not stand on unstable surfaces Stand with both feet balanced at all times The Gun Safety Lock PREVENTS the trigger from accidentally being engaged This safety feature DOES...

Page 4: ...should always be between the FULL and ADD marks on the dipstick Be sure the machine is level when checking the oil level Refer to the engine s operating manual for seasonal grades Step 3 Fill gas tank...

Page 5: ...pressure and repeat step 7 OPERATING INSTRUCTIONS Step 1 Connect the high pressure hose to the unit s high pressure outlet Step 2 Insert the Vario spray wand into the gun Push in and turn clock wise t...

Page 6: ...positioned to the high pressure setting To apply detergent the wand must be positioned to the low pressure setting For high pressure turn wand collar in the plus direction For low pressure turn wand...

Page 7: ...ll the Vario spray wand and set the Vario spray wand to the low pres sure setting by turning the wand collar The wand must be set in the low pressure position to apply detergents Step 2 Fill a contain...

Page 8: ...TORAGE 1 Disconnect all water connections 2 Start the machine for a few seconds until the water which had remained in the pump exits Turn off immediately 3 Drain the gas and oil from the engine 4 Do n...

Page 9: ...ing motion keeping the spray nozzle approximately 6 inches from the cleaning surface Caution Do not use rotating nozzle spray wand on siding as it may cause damage Cement Patios Brick and Stone with o...

Page 10: ...rect ly into cleaning solution and apply to surface at low pressure Allow K rcher All Purpose Cleaner to remain on surface 1 3 minutes Do not allow detergent to dry on surface If needed use special Wa...

Page 11: ...inse out in warm water Spray wand is in low pressure position Turn spray wand tip to high pressure position Not enough inlet water supply Turn water on full force Check garden hose for kinks leaks or...

Page 12: ...is obstructed Blow out or remove debris with a fine needle Loose fitting Tighten fittings Missing worn rubber washer Insert new washer Spray wand not properly attached Broken o ring or plastic insert...

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