Kärcher G 3500 OCT Operator's Manual page 13

Symptom
Cause
OUTPUT PRES- Spray nozzle is obstructed
SURE
VARIES HIGH
Calcifi ed gun, hose or spray
AND LOW
wand
NO DETER- Detergent suction tube not
GENT properly connected to the
machine
Detergent is too thick
Filter on detergent suction
tube is clogged
Damaged or clogged deter-
gent suction tube
A high pressure nozzle is
attached
Spray nozzle is obstructed
GARDEN HOSE Loose fi ttings
CONNECTION
Missing/worn rubber washer Insert new washer
LEAKS
SPRAY WAND Spray wand not properly
LEAKS attached
Broken o-ring or plastic
insert
PUMP IS NOISY Not enough gas or engine
oil
WATER LEAKS Loose fi ttings
FROM PUMP
Water seals are damaged
(UP TO 10
or worn.
DROPS PER
MINUTE IS PER-
Thermal protection device
MISSIBLE)
is activated.
OIL DRIP Oil seals are damaged or
worn
If the symptom you are experiencing is not listed above, or if the provided solutions do not
solve your issue, please visit our extensive online troubleshooting database at:
www.karcher-help.com
TROUBLESHOOTING
Solution
Blow out or remove debris with a fi ne
needle
Run distilled vinegar through detergent
suction tube.
Check connection
Dilute detergent, for best results use
Kärcher detergent
Run warm water through fi lter to remove
debris
Remove obstruction or replace deter-
gent suction tube
Replace with black detergent nozzle
Blow out or remove debris with fi ne
needle
Tighten fi ttings
Turn the swivel nut of the gun clockwise
until connection is tight
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
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
Check fi ttings
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
Thermal protection device will auto
reset. Do not run pump for more than 5
minutes without spraying.
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
English 13