Troubleshooting - Kärcher G 4000 OH servo press Manual

Recommendations
■ Before cleaning any surface an incon-
spicuous area should be cleaned to test
spray pattern and distance for maximum
cleaning results.
■ If painted surfaces are peeling or
chipping,use extreme caution as pres-
sure washer may remove the loose paint
from the surface.
■ When using on surfaces which might
come in contact with food, fl ush surfaces
with plenty of drinking water.
■ For additional cleaning tips, visit our
website at:
www.karcherresidential.com
CAUTION
Remove the spark plug cable to prevent accidental ignition of the engine before making any
repair.
Symptom Cause
No gasoline
ENGINE
WILL NOT
Choke is not in the correct
START
position
Water pressure built up in
the machine
For additional engine problems refer to the engine manual.
UNIT DOES Diameter of garden hose is
NOT REACH too small
HIGH PRES-
Water supply is restricted
SURE
Not enough inlet water sup-
ply
Water inlet fi lter is clogged
Black detergent nozzle is
attached
OUTPUT Not enough inlet water sup-
PRESSURE ply.
VARIES
Pump is sucking air
HIGH AND
LOW
Water inlet fi lter is clogged
12 English
CLEANING TIPS
Optional accessories are available to further
enhance your cleaning capabilities. These ac-
cessories are accurate as of the printing date
of this manual. Please check our website:
www.karcherresidential.com, For up-to
date information.
– Extension Hose
– DirtBlaster® Spray
– Universal Wash Brush Kit

TROUBLESHOOTING

Solution
Fill gas tank
Slide choke lever out to closed position
Squeeze the trigger to release the pressure
Replace with a 16 mm 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
Optional Accessories