Generac Portable Products 3000 PSI Pressure Washer
Check Gun and Nozzle Extension
Examine the hose connection to the 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
Figure 14 — Clean In-Line Filter
Filter Screen
Nozzle Extension
O-ring
1.Detach spray gun and nozzle extension from high pressure hose. Detach nozzle extension from spray gun and remove
2.If screen is damaged, the
3.Place
To remove contaminants from the pump, follow these steps:
1.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.Squeeze trigger 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 nozzle 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.Shut off engine and turn off water supply.
2.Remove spray tip from end of nozzle extension.
3.Remove
4.Use wire included in kit (or a small paper clip) to free any foreign material clogging or restricting spray tip (Figure 10).
Figure 10 — Nozzle Maintenance
4.Place
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:
1.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.
Use wire here
to remove
debris
5.Using a garden hose, remove additional debris by back flushing water through nozzle extension (Figure 11). Back flush between 30 to 60 seconds.
Figure 16 — Backflushing the Nozzle Extension
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