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Check In-Line Filter
Refer to Figure 18 and service the in-line filter if it
becomes clogged, as follows:
Figure 18 — Clean In-Line Filter
Nozzle Extension
1.
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 clean water to clear debris.
2.
If screen is damaged, o-ring kit contains a replacement
in-line filter screen and o-ring. If undamaged, reuse
screen.
3.
Place in-line filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in
with eraser end of pencil until it rests flat at bottom of
opening.Take care to not bend screen.
4.
Place o-ring into threaded end of nozzle extension.
Push o-ring snugly against in-line filter screen.
5.
Assemble nozzle extension to spray gun, as described
earlier in this manual.
MAINTENANCE
Filter Screen
O-ring
16
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 tip
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 19).
Figure 19 — Nozzle Maintenance
Use wire here
to remove
debris
5.
Using a garden hose, remove additional debris by back
flushing water through nozzle extension (Figure 20).
Back flush between 30 to 60 seconds.
Figure 20 — Backflushing the Nozzle Extension
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 tip.
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