Troubleshooting - Kärcher G 2500 DH Operator's Manual

CAUTION
Remove the spark plug cable to prevent accidental ignition of the
engine before making any repair
Symptom
ENGINE WILL NOT
START
UNIT DOES NOT
REACH HIGH
PRESURE
OUTPUT PRES-
SURE
VARIES HIGH AND
LOW

TROUBLESHOOTING

Cause
No gasoline
Choke is not in the correct
position
Water pressure built up in
the machine
For additional engine problems refer to the engine manual.
Diameter of garden hose is
too small
Water supply is restricted
Not enough inlet water
supply
Water inlet fi lter is clogged
Black detergent nozzle is
attached
Not enough inlet water
supply.
Pump is sucking air
Water inlet fi lter is clogged
Spray nozzle is obstructed
Calcifi ed gun, hose or
spray wand
Solution
Fill gas tank
Slide choke lever out to closed position
Squeeze the trigger to release the pressure
Replace with a 5/8 inch or larger garden hose
Check garden hose for kinks, leaks and
blockage
Turn water on full force. Check garden hose
for kinks, leaks or blockage.
Remove fi lter and rinse out in warm water
Remove black detergent nozzle and attach
high pressure nozzle
Turn water on full force. Check garden hose
for kinks, leaks or blockage
Check that hoses and fi ttings are air tight.
Turn off machine and purge pump by
squeezing trigger gun until a steady fl ow of
water emerges through the nozzle
Remove fi lter and rinse out in warm water
Blow out or remove debris with a fi ne needle
Run distilled vinegar through detergent
suction tube.
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