Generac 1539-0 Manual Del Propietário página 12

Generac Portable Products 3000 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 14 and service the in-linefilter if it
becomes clogged, as follows:
Nozzle Extension
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 the screen, spray gun, and adjustable
nozzle extension with clean water to clear debris.
2. If the screen is damaged, the o-ring kit contains a
replacement in-line filter screen and an o-ring. If
undamaged, reuse screen.
3. Placethe in-line filter screen into the threaded end of
the nozzle extension. Direction does not matter. Push
the screen in with the eraser end of a pencil until it
rests fiat at the bottom of the opening. Take care to
not bend the screen.
4. Placethe o-ring into the recess. Push the o-ring snugly
against the in-linefilter screen.
3.
5. Assemble the nozzle extension to the spray gun, as
described earlier in this manual.
4.
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
• Set up the pressure washer as described in "Preparing
Pressure Washer For Use". Connect the water supply
and turn water on.
• Pull the trigger on the spray gun and hold.
• When the water supply is steady and constant, engage
the safety latch.
To remove contaminants from the pump, follow
these steps:
• Set up the pressure washer as described in "Preparing
Pressure Washer For Use". Connect the water supply
and turn water on.
• Start the engine according to instructionsin "To Start
Your Pressure Washer".
• Remove nozzle extension from spray gun.
• Squeezethe trigger on the spray gun and hold.
• When the water supply is steady and constant, engage
the safety latch and reattach the 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 nozzle
clogged or restricted with foreign materials, such as dirt,
etc. To correct the problem, immediatelyclean the nozzle
using the tools includedwith your pressure washer and
follow these instructions:
I. Shut off the engine and turn off the water supply.
2. Remove the nozzle from the end of the nozzle
extension (Figure 15).
Use wire here /._/
t° drebmi°ve _
5.
Remove the in-line filter from the other end of the
nozzle extension.
Use the wire included in the kit (or a small paper clip)
to free any foreign material clogging or restricting the
nozzle (Figure 15).
Using a garden hose, remove additional debris by back
flushing water through the nozzle extension
(Figure 16). Back flush between 30 to 60 seconds.
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