Nozzle Maintenance - Generac Portable Products 2700PSI Owner's Manual

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 19 and service the in-line filter if it
becomes clogged, as follows:
Figure 19 — Clean In-Line Filter
Nozzle Extension
1. 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. Place the 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. Place the o-ring into the recess. Push the 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.
Generac 2,700 PSI Pressure Washer
To remove contaminants from the pump, follow
these steps:
• Set up the pressure washer as described in "Preparing
• Start the engine according to instructions in "To Start
• Remove nozzle extension from spray gun.
• Squeeze the trigger on the spray gun and hold.
• When the water supply is steady and constant, engage

Nozzle Maintenance

Filter Screen
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
O-ring
clogged or restricted with foreign materials, such as dirt,
etc. To correct the problem, immediately clean the nozzle
using the tools included with your pressure washer and
follow these instructions:
1.
2.
3.
4.
5.
13
Pressure Washer For Use". Connect the water supply
and turn water on.
Your Pressure Washer".
the safety latch and reattach the nozzle extension.
Shut off the engine and turn off the water supply.
Remove the nozzle from the end of the nozzle
extension (Figure 20).
Figure 20 — Nozzle Maintenance
Use wire here
to remove
debris.
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 20).
Using a garden hose, remove additional debris by back
flushing water through the nozzle extension
(Figure 21). Back flush between 30 to 60 seconds.
Figure 21 — Backflushing the Nozzle Extension