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Section 5: Maintenance
I.
2.
.
4.
5.
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 nozzle
extension with cleanwater to clear debris.
Ifscreen isdamaged,the o-ring kit contains a
replacement in-linefilter screen and an o-ring. If
undamaged,reuse screen.
Placein-line filter screen into threaded end of nozzle
extension. Direction does not matter. Pushscreen in
with eraser end of pencil until it rests flat at bottom of
opening. Take care to not bend screen.
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 the spray gun and hold.
3. When water supply is steadyand 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 is steadyand constant, engage
safety latchand reattach nozzle extension.
Nozzle Maintenance
A pulsingsensation felt while squeezingthe spraygun
trigger may be caused by excessivepump pressure. The
principal cause of excessivepump pressure is a spray tip
cloggedor restricted with foreign materials, such asdirt,
etc. To correct the problem, immediately cleanthe spray
tip usingthe tools included with your pressure washer and
follow these instructions:
I. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzle extension.
3. Remove in-line filter from other end of nozzle
extension.
4. Use wire included in kit (or a small paper clip) to free
anyforeign material cloggingor restricting spray tip
(Figure 18).
Usewirehere
to remove
debris.
5. Usinga garden hose, remove additional debris by back
flushing water through nozzle extension (Figure 19).
Back flush 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
Throughthe normal operation of your pressure washer,
o-rings, which keepthe connections of the hosesand spray
gun tight and leak-free, may become worn or damaged.
t
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