Troy-Bilt 020241 Manual Del Operario página 15

Section 5: Maintenance
H. Detach spray gun and nozzHe extension from hgh
pressure hose. Detach nozzHe extension from spray gun
and remove o:ring and screen from nozzHe extension.
Rush screen_ spray gun_ and nozzHe extension with
dean water to dear debris.
2. PHace inoHine fiker screen into threaded end of nozzHe
extension. Direction does not matter. Push screen in
with eraser end of pendH until it rests fiat at bottom of
opening.Take care to not bend screen.
3. PHace o:ring into recess. Push o:ring snugHy against
inoHine fiHter screen.
4. AssembHe nozzHe extension to spray gun_ as described
earHier in this manual
Nozzle Maintenance
A puHsing sensation feHt 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
foHHowing these instructions:
I. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzHe extension.
3. Remove inoHine fiHter from other end of nozzHe
extension.
4. Use a small paper dip to free any foreign material
dogging or restricting spray tip (Figure H 5).
5. Using a garden hose_ remove additionaH debris by bacH<
flushing water through nozzHe extension (Figure H 6).
BacH< flush between 30 to 60 seconds.
6. Reinstall[ spray tip and inoHine fiHter into nozzHe
extension.
7. Reconnect nozzHe 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.
O-R[n_ Maintenance
Purchase an O-Ring,,'klaintenance Kit_ part number
H9H922GS by contacting the nearest authorized service
center. [t is not included with the pressure washer.This kit
incHudes repHacement o-rings, rubber washer and water
inHet fiHter. Refer to the instruction sheet provided in the kit
to service your unit's o-rings.
WARNING
NEVER repair leaking connections with sealant of any kind.
Replace o-ring or seal
Pump Maintenance
Changing Pump Oil
Change oiH every SO hours or once yearHy,whichever
occurs first.
NOTE:You must purchase a premeasured bottHe of pump
oil item number H90585GS, by contacting the nearest
authorized service center.
Change pump oil as follows:
H. Drain engine oiH and fuel from pressure washer.
2. Use a 8mm aHHenwrench to remove bHack pump oi[ cap
between
high
pressure outlet and garden hose inHet
(Figure H7).