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PRObLEM
POSSIbLE CAUSE
ENGINE
Not enough gas or engine oil
OPERATES fOR
Vapor lock developed by heat
15 MIN. THEN
of day
STOPS
Obstruction in fuel filter
ENGINE LACkS
Dirty air filter
POWER
ENGINE fALTERS
Choke is opened too soon
WATER DRIPPING
Piston packing worn
fROM
O-Ring plunger retainer worn
UNDER PUMP
Cracked piston
OIL DRIPPING
Oil seal worn or damaged
WATER LEAk-
Spray gun closed with machine
ING fROM PUMP
running 5 minutes or longer
PROTECTOR
Excess water supply pressure
NO DETERGENT
Detergent suction tube not
properly connected to machine
Detergent is too thick
Detergent filter valve is at low-
est setting
Filter on detergent suction tube
is clogged
Damaged or clogged detergent
suction tube
A high pressure nozzle is at-
tached.
Discharge nozzle is obstructed
GARDEN HOSE
Loose fittings
CONNECTION
Missing/worn rubber washer
LEAkS
SPRAy WAND
Spray wand not properly at-
LEAkS
tached
Broken o-ring
PUMP IS NOISy
Pump is sucking air
TROUbLESHOOTING
SOLUTION
Fill tank with gas. Check oil level.
Keep gas tank full to avoid vapor locking.
Clean or replace fuel filter.
Replace air filter.
Move choke to halfway position until engine
runs smoothly.
Contact local dealer.
Contact local dealer.
Contact local dealer.
Contact local dealer.
Open spray gun or turn off machine.
Place a pressure regulator at end of 50' garden
hose.
Check connection.
Dilute detergent. For best results, use manufac-
turers detergent.
Set detergent filter valve to a higher setting.
Run warm water through filter to remove debris.
Remove obstruction or replace detergent suc-
tion tube.
Replace with black detergent nozzle.
Blow out or remove debris with fine needle.
Tighten fittings.
Insert new washer.
Slide the spray wand into the gun. Turn the
wand collar clockwise onto the spray gun
threads until tight.
Call your distributor and order an o-ring.
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.
9.800-082.0 • Rev. 01/08
1

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