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9

CLEANING TIPS 

– continued

Barbecue Grills, Outdoor
Power Equipment & 
Gardening Tools 

(with or without detergent)

Pre-rinse cleaning surface with fresh water.
If using Kärcher All Purpose Cleaner or
Degreaser, place detergent suction tube
directly into cleaning solution and apply
detergent at low pressure. Allow Kärcher
detergent to remain on surface 1-3 minutes.
Do not allow detergent to dry on surface.
Rinse at high pressure keeping the spray
nozzle approximately 3-6 inches from the
cleaning surface. For removing extremely
stubborn dirt, it may be necessary to move
the spray nozzle even closer to the surface
for greater dirt cutting action. To remove
caked on mud from garbage cans, lawn
mower blades, wheelbarrows or other 
non-sensitive metal surfaces, you may 
want to use the Kärcher Dirtblaster

®

Nozzle. 

Caution: Do not use Dirtblaster

®

spray

nozzle on cloth, plastic or other sensitive
surfaces as it may cause damage.

Patio & Lawn Furniture

(with or without detergent)

Pre-rinse furniture and surrounding area with
fresh water. If using Kärcher All Purpose
Cleaner, place detergent suction tube direct-
ly into cleaning solution and apply to surface
at low pressure. Allow Kärcher All Purpose
Cleaner to remain on surface 1-3 minutes.
Do not allow detergent to dry on surface.
Rinse at high pressure in a sweeping motion
keeping the spray nozzle approximately 3-6
inches from the cleaning surface. For best
results, clean from top to bottom and from
left to right. 

Caution: Do not use Dirtblaster

® 

nozzle

on patio or lawn furniture as it may cause
damage.

Recommendations

• Before cleaning any surface an inconspic-

uous area should be cleaned to test spray
pattern and distance for maximum clean-
ing results.

• If painted surfaces are pealing or chipping,

use extreme caution as pressure washer
may remove the loose paint from the 
surface.

OPTIONAL CLEANING ACCESSORIES

• Dirtblaster

®

nozzle

• Extension Wand 80”

• Rotating Wash Brush

• Sand Blasting Attachment

• Hose Reel

• Pipe Drain Cleaner

• Extension Hose 30’

• Detergent Tray

Optional cleaning accessories are available to further enhance your cleaning capabilities.
See accessories order form for product descriptions and ordering instructions.

In Canada Call: 

1-888-705-9444

        or visit our website: www.karche.ca

10

TROUBLESHOOTING                   

Symptom Cause 

Solution

Engine will not start.

Unit does not reach
high pressure.

Output pressure varies
high and low.

Fuel valve is in “OFF” position.

Slide the fuel valve lever to “ON” position.

Choke is not in correct position.

Slide choke lever left to closed position.

Engine throttle is not in
correct position.

Slide the throttle left 1/3 of the way
to the fast position.

Pressure built up in the
high pressure washer.

Squeeze the trigger to release
the pressure.

Engine switch in “OFF” position. Turn engine switch on.

Black detergent nozzle
is attached.

Remove black detergent nozzle and
attach a high pressure nozzle.

Diameter of garden hose 
is too small.

Replace with a 3/4 inch 
garden hose.

Water supply is restricted.

Check garden hose for kinks,
leaks and blockage.

Not enough inlet water supply.

Open water source full force.

Water inlet filter is clogged.

Remove filter and rinse out 
in warm water.

Not enough inlet water supply.

Turn water on full force. Check garden
hose for kinks, leaks or blockage.

Pump is sucking air.

Check that hoses and fittings are air
tight. Turn off machine and purge
pump by squeezing trigger gun until 
a steady flow of water emerges
through the nozzle.

Water inlet filter is clogged.

Remove filter and rinse out 
in warm water.

Discharge nozzle 
is obstructed.

Blow out or remove debris 
with a fine needle.

Calcified gun, hose 
or spray wand.

Run distilled vinegar through 
detergent suction tube.

No gasoline.

Fill gas tank.

Low oil level sensor activated.

Add oil.

Pump pressure control is in
low pressure position.

Turn pump pressure control  to high 
pressure position.

Summary of Contents for HD 3500 DB

Page 1: ...DH Part No 1 187 115 Model HD 3500 DH Part No 1 810 997 Model HD 3500 DB Part No 1 810 998 High Pressure Washer Operator Manual Specifications Model HD 2700 DH DB Operating pressure 2700 PSI Water vol...

Page 2: ...al 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 hig...

Page 3: ...DB has a has a toggle switch Press to ON position Step 8 Pull the starter handle If the engine fails to start after 3 pulls squeeze the trigger gun to release pressure and repeat step After the engin...

Page 4: ...ergent tube for light 1 or maximum 6 detergent coverage NOTE Your pump may have a detergent control Step 3 Fill a container with K rcher detergent Place the filter end of detergent suction tube into t...

Page 5: ...using K rcher House Wash place detergent suction tube directly into cleaning solution and apply to surface at low pressure for best results limit your work area to sections of approximately 6 feet and...

Page 6: ...e surface OPTIONAL CLEANING ACCESSORIES Dirtblaster nozzle Extension Wand 80 Rotating Wash Brush Sand Blasting Attachment Hose Reel Pipe Drain Cleaner Extension Hose 30 Detergent Tray Optional cleanin...

Page 7: ...new washer Spray wand not properly attached Broken o ring Check that hoses and fittings are air tight Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emerges thr...

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