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DG • 8.919-011.0
PRESSURE WASHER Troubleshooting Guide
14
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
ENGINE
OPERATES FOR
15 MIN. THEN
STOPS
Not enough gas or engine oil Fill tank with gas. Check oil level.
Vapor lock developed by heat
of day
Keep gas tank full to avoid vapor locking.
Obstruction in fuel filter Clean or replace fuel filter.
ENGINE LACKS
POWER
Dirty air filter Replace air filter.
ENGINE FALTERS
Choke is opened too soon Move choke to halfway position until engine
runs smoothly.
WATER DRIPPING
FROM
UNDER PUMP
Piston packing worn Contact local dealer.
O-Ring plunger retainer worn Contact local dealer.
Cracked piston Contact local dealer.
OIL DRIPPING
Oil seal worn or damaged Contact local dealer.
WATER LEAK-
ING FROM PUMP
PROTECTOR
Spray gun closed with machine
running 5 minutes or longer
Open spray gun or turn off machine.
Excess water supply pressure Place a pressure regulator at end of 50' garden
hose.
NO DETERGENT
Detergent suction tube not
properly connected to machine
Check connection.
Detergent is too thick Dilute detergent. For best results, use manufac-
turers detergent.
Detergent filter valve is at low-
est setting
Set detergent filter valve to a higher setting.
Filter on detergent suction tube
is clogged
Run warm water through filter to remove debris.
Damaged or clogged detergent
suction tube
Remove obstruction or replace detergent suc-
tion tube.
A high pressure nozzle is at-
tached.
Replace with black detergent nozzle.
Discharge nozzle is obstructed Blow out or remove debris with fine needle.
GARDEN HOSE
CONNECTION
LEAKS
Loose fittings Tighten fittings.
Missing/worn rubber washer Insert new washer.
SPRAY WAND
LEAKS
Spray wand not properly at-
tached
Slide the spray wand into the gun. Turn the
wand collar clockwise onto the spray gun
threads until tight.
Broken o-ring Call your distributor and order an o-ring.
PUMP IS NOISY
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 nozzle.
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