Purge Pump Of Air And Contaminants; Nozzle Maintenance; Backflushing The Nozzle Extension - Generac Portable Products 2500PSI Owner's Manual

Generac Portable Products 2,500 PSIHigh Pressure Washer
I.
2.
.
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.
If the screen is damaged, the o-ring kit contains a
replacement in-llne filter screen and an o-ring. If
undamaged, reuse screen.
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 flat at the bottom of the opening. Take care to
not bend the screen.
4. Placethe o-ring into the recess. Pushthe o-ring snugly
against the in-line filter screen.
5. Assemble the nozzle extension to the spray gun, as
described earlier in this manual.
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 23).
to remove
debris.
3. Remove the in-linefilter from the other end of the
nozzle extension.
4. Use the wire included in the
kit (or
a small paper
clip)
to free any foreign material
clogging
or restricting the
nozzle (Figure 23).
5. Usinga garden hose, remove additional debris by back
flushing water through the nozzle extension
(Figure 24). Back flush between 30 to 60 seconds.
J
J
6.
Reinstall the nozzle and in-line filter into the nozzle
extension. Do Not overdghten the nozzle with the
allen wrench.
7. Reconnect the nozzle extension to the
spray gun.
8. Reconnect the water
supply,
turn on the water, and
start the engine.
9. Test the pressure washer by operating with each of the
Quick
Connect nozzles.
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