HD • 8.917-984.0 • Rev. 01/14
PRESSURE
W
ASHER
T
roub
leshooting Guide
14
PROBLEM
POSSIBLE CAUSE
SOLUTION
ENGINE OPERATES
FOR 15 MINUTES
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 fi lter
Clean or replace fuel fi lter.
ENGINE LACKS
POWER
Dirty air fi lter
Replace air fi lter.
ENGINE FALTERS
Choke is opened too soon
Move choke to halfway position until engine
runs smoothly.
WATER DRIPPING
FROM UNDER PUMP
Piston packing worn
Call local distributor.
O-Ring plunger retainer worn
Call local distributor.
Cracked piston
Call local distributor.
OIL DRIPPING
FROM UNDER PUMP
Oil seal worn or damaged
Call local distributor.
WATER LEAKING
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
manufacturers detergent.
Detergent fi lter valve is at lowest
setting
Set detergent fi lter valve to a higher setting.
Filter on detergent suction tube is
clogged
Run warm water through fi lter to remove
debris.
Damaged or clogged detergent suc-
tion tube
Remove obstruction or replace detergent
suction tube.
A high pressure nozzle is attached.
Replace with black detergent nozzle.
Discharge nozzle is obstructed
Blow out or remove debris with fi ne needle.
GARDEN HOSE
CONNECTION
LEAKS
Loose fi ttings
Tighten fi ttings.
Missing/worn rubber washer
Insert new washer.
SPRAY WAND
LEAKS
Spray wand not properly attached
Slide the spray wand into the gun. Turn the
wand collar clockwise onto the spray gun
threads until tight.
Broken o-ring
Call local distributor and order an o-ring.
PUMP IS NOISY
Pump is sucking air
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 nozzle.
TROUBLESHOOTING
