Generac 1537-0 Purge Pump of Air Contaminants, Check In-Line Filter, Nozzle Maintenance

Generac Portable Products 2,400 PSIHigh PressureWasher

Check In-Line Filter

Refer to Figure20 and service the in-linefilter if it becomes clogged, as follows:

Filter Screen

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. Flushthe screen, spraygun, and adjustable nozzle extension with clean water to clear debris.

2.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-linefilter 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. Takecare to not bend the screen.

4.Placethe o-ring into the recess. Pushthe o-ring snugly againstthe in-linefilter screen.

5.Assemble the nozzle extension to the spraygun, 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

PressureWasher For Use". Connect the water supply and turn water on.

•Putl 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 attach the nozzle extension.

Nozzle Maintenance

if the adjustable nozzle becomes restricted or clogged with foreign materials, such as dirt, excessive pump pressure may develop. A pulsing sensation occurs during use. This generally is not a pump related problem, but rather a clogged or partially restricted nozzle.

If the adjustable nozzle becomes clogged or partially restricted, immediately clean the nozzle with the kit included with your pressure washer by following these instructions:

•Shut off the engineand turn off the water supply.

•Separatethe nozzle extensionfrom the spraygun.

•Adjust the nozzle extension to the stream position.

•Remove the nozzle from the end of the nozzle extension (Figure 21) using a 2mm or 5/64 allen wrench (like the one included in the kit).

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