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Maintenance
I*
Detach spray gun and nozzle extension from high
pressure hose. Detach nozzle extension from spray
gun and remove o-ring and screen from nozzle
extension. Flush screen,spray gun, and adjustable
nozzle extension with cleanwater to clear debris.
2. If screen isdamaged,the o-ring kit contains a
replacement in-linefilter screen and o-ring. If
undamaged,reuse screen.
3. Placein-line filter screen into threaded end of nozzle
extension. Direction does not matter. Pushscreen in
with eraser end of pencil until it rests fiat at bottom of
opening. Take care to not bend screen.
4.
5.
Placeo-ring into recess. Pusho-ring snugly against
in-line filter screen.
Assemble nozzle extension to spraygun, asdescribed
earlier in this manual.
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
I. Set up pressure washer asdescribed in "Preparing
PressureWasher For Use". Connect water supply and
turn water on.
2. Pull trigger on spray gun and hold.
3. When water supply issteadyand constant, engage
safety latch.
To remove contaminants from the pump, follow
these steps:
I. Set up pressure washer asdescribed in "Preparing
PressureWasher For Use". Connect water supply and
turn water on.
2. Start engine according to instructionsin "To Start
PressureWasher".
3. Removenozzle extension from spray gun.
4. Squeezetrigger on spray gun and hold.
5. When water supply issteadyand constant, engage
safety latchand reattach nozzle extension.
Nozzle Maintenance
A pulsing sensationfelt while squeezingthe spray gun
trigger may be caused by excessivepump pressure. The
principal cause of excessivepump pressure isa spray tip
clogged or restricted with foreign materials, such asdirt,
etc. To correct the problem, immediatelyclean the spray
tips usingthe tools includedwith your pressure washer and
follow these instructions:
I. Shut off engine and turn off water supply.
2. Removespray tip from end of nozzle extension.
3. Remove in-linefilter from other end of nozzle
extension.
4. Use wire included in kit (or a small paper clip) to free
any foreign mater{a{ clogging or restricting spray tip
(FigureI0).
Use wire here to _J
remove debris. _
5. Using a garden hose, remove additional debris by back
flushing water through nozzle extension (Figure I I).
Backflush between 30 to 60 seconds.
6. Reinstall spray tip and in-line filter into nozzle
extension.
7. Reconnect nozzle extension to spray gun.
8. Reconnect water supply,turn on water, and start
engine.
9. Test pressure washer by operating with each Quick
Connect spray tips.
O-Ring Maintenance
Through the normal operation of your pressurewasher,
o-rings, which keep the connections of the hosesand spray
gun tight and leak-free,may become worn or damaged.
An O-Ring Maintenance Kit isprovided with your pressure
washer which includesreplacement o-rings, rubber washer
and water inletfilter. Refer to the instructionsheet
provided in the kit to service your unit's o-rings. Note that
not all of the parts in the kit wilt be used on your unit.
To remove a worn or damagedo-ring; usea small flathead
screwdriver to get underneath the o-ring and pry it off.
m
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