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Section 5: Maintenance
H. Detach spray gun and nozzHe extension from hgh
pressure hose. Detach nozzHe extension from spray gun
and remove o:r[ng and screen from nozzHe extension.
Hush screen_ spray gun_ and nozzHe extension with
dean water to dear debris.
2. PHace [n:H[ne fiker screen into threaded end of nozzHe
extension. Direction does not matter. Push screen [n
with eraser end of pencil until [1 rests flat at bottom of
opening.Take care to not bend screen.
3. PHace o:r[ng into recess. Push o:r[ng snugHy against
in:Hine fiH[er screen.
4. AssembHe nozzHe extension to spray gun_ as described
earHier in this manual
Purge Pump of Air and
To remove air from the pump, fommowthese steps:
H. Set up pressure washer as described in "Preparing
Pressure Washer For Use'L Connect water suppHy and
turn water on.
2. PuHHtrigger on the spray gun and hold.
3. When water suppHy is steady and constant_ engage
safety Hatch.
To remove contaminants from the pump, follow
these steps:
H. Set up pressure washer as described in "Preparing
PressureVVasher For Use". Connect water suppHy and
turn water on.
2. Start engine according to instructions in "To Start
Pressure Washer".
3. Remove nozzHe extension from spray gun.
4. Squeeze trigger on spray gun and hoHd.
5. When water suppHyis steady and constant, engage
safety Hatch and reattach nozzHe extension.
Nozzle Maintenance
A puHsing sensation felt whiHe squeezing the spray gun
trigger may be caused by excessive pump pressure.The
principaH cause of excessive pump pressure is a spray tip
dogged or restricted with foreign materiaHs, such as dirt,
etc.To correct the probHem, immediateHy dean the spray tip
following these instructions:
H. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzHeextension.
3. Remove in4ine fiHter from other end of nozzHe
extension.
4. Use a small paper dip to free any foreign material
dogging or restricting spray tip (Figure H8).
Use wire here
tO remove
debris.
5. Using a garden hose, remove additionaH debris by bacH<
flushing water through nozzHe extension (Figure [9).
BacH<flush between 30 to 60 seconds.
6. Reinstall spray tip and in4ine filter into nozzHe
extension.
7. Reconnect nozzHeextension 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
Purchase an O-Ring/Haintenance Kit, part number
H9H922GS by contacting the nearest authorized service
center. It is not incHuded with the pressure washer.This kit
includes repHacement o-rings, rubber washer and water
inHet filter. Refer to the instruction sheet provided in the kit
to service your unit's o-rings.
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