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Generac Portable Products 3500 PSIPressure Washer
Check
Gun and Nozzle
Extension
Examine the hose connection to the spray gun and make
sure it is secure. Test the trigger by pressing it and making
sure it springs back into place when you release it. Put the
safety latch in the on position and test the trigger. You
should not be able to press the trigger.
Check
In-Line
Filter
Refer to Figure 8 and service the in-linefilter if it becomes
clogged, as follows:
Nozzle Extension
O-rin
I.
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 adjustable
nozzle extension with clean water to clear debris.
2.
If screen is damaged,the o-ring kit contains a
replacement in-linefilter 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 a 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.
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
I.
Set up pressure washer as described in "Preparing
Pressure Washer For Use". Connect water supply and
turn
water
on.
2.
Pull trigger on spray gun and hold.
3.
When water supply is steady and constant, engage
safety latch.
To remove contaminants from the pump, follow
these
steps:
I.
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.
Squeezetrigger on spray gun and hold.
5.
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
tip using the tools includedwith your pressure washer and
follow these instructions:
I.
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 wire included in kit or a small paper clip to free
any foreign material clogging or restricting
spray tip
(Figure 9).
5.
Usinga garden hose, remove additional debris by back
flushing water through nozzle extension (Figure I0).
Back flush between 30 to 60 seconds.
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