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3. Place o-ring into recess. Push o-ring snugly against
in-line filter screen.
4. Assemble nozzle extension to spray gun, as described
earlier in this manual.
Nozzle Maintenance
A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure.The
principal cause of excessive pump pressure is a spray tip
clogged or restricted with foreign materials, such as dirt,
etc.To correct the problem, immediately clean the spray
tips following these instructions:
1. 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 a small paper clip to free any foreign material
clogging or restricting spray tip (Figure 11).
5. Using a garden hose, remove additional debris by back
flushing water through nozzle extension (Figure 12).
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
Purchase an O–Ring/Maintenance Kit, part number
191922GS by contacting the nearest authorized service
center. It is not included with the pressure washer.This kit
includes replacement o-rings, rubber washer and water
inlet filter. Refer to the instruction sheet provided in the kit
to service your unit’s o-rings.
ENGINE MAINTENANCE
See the engine operator’s manual for instructions on how
to properly maintain the engine.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
Use wire here to
remove debris
Figure 11 — Nozzle Maintenance
Figure 12 — Backflushing the Nozzle Extension
• Used motor oil has been shown to cause skin cancer in
certain laboratory animals.
• Thoroughly wash exposed areas with soap and water.
Avoid prolonged or repeated skin contact with used
motor oil.
CAUTION
• NEVER repair leaking connections with sealant of any kind.
Replace o-ring or seal.
The high pressure stream of water that this
equipment produces can pierce skin and its
underlying tissues, leading to serious injury and
possible amputation.
WARNING
Section 5: Maintenance