Troy-Bilt 020210 Manual Del Propietário página 13

Section 5: Maintenance
I. Detach spray gun and nozzle extension from hgh
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 clean water to clear debris.
2. Place in4ine filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in
with eraser end of penal[ until it rests fiat at bottom of
opening.Take care to not bend screen.
3. Place o°ring into recess. Push o-ring snugly against
inoline filter screen.
4. Assemble nozzle extension to spray gun_ as described
earlier in this manual.
Purge Pump of Air and
To remove air from the pump, follow these steps:
I. Set up pressure washer as described in "Preparing
Pressure Washer For Use'L Connect water supply and
turn water on.
2. Pull trigger on spray gun and hol&
3. When water supply is steady and constant_ engage
To remove contaminants from the pump, follow
these steps:
1. Set up pressure washer as described in "Preparing
Pressure Washer For Use". Connect water supply and
turn water on.
2. Start engine according to instructions in "To Start
Pressure Washer".
3. Remove nozzle extension from spray gun.
4. Squeeze trigger on spray gun and hold.
S. When water supply is steady and constant_ engage
safety latch and reattach nozzle extension.
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:
I. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzle extension.
3. Remove inoline filter from other end of nozzle
extension.
4. Use a small paper clip to free any foreign material
clogging or restricting spray tip (Figure I I).
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-Rin_ Maintenance
Purchase an O-Ring/Maintenance KiL part number
191922GS by contacting the nearest authorized service
center. [t 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.