Generac Power Systems 2100PSI Owner's Manual page 12

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.
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. Remove nozzle extension from spray gun.
3. Start engine according to instructions in "How To Use
Your Pressure Washer".
4. Squeeze trigger on spray gun and hold.
5. When water supply is steady and constant, engage
safety latch and refasten nozzle extension.
Check In-Line Filter
Refer to Figure 12 and service the in-line filter if it
becomes clogged, as follows:
Figure 12 — Clean In-Line Filter
Nozzle Extension
Generac Portable Products 2100 PSI Pressure Washer
Filter Screen
O-ring
12
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 screen, spray gun, and adjustable
nozzle extension with clean water to clear debris.
2. Place in-line filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in
with eraser end of pencil until it rests flat at bottom of
opening.Take care not to bend the screen.
3. Place o-ring into recess. Push o-ring snugly against in-
line filter screen.
4. Assemble nozzle extension to spray gun, as described
earlier in manual.
O–Ring Maintenance
Purchase an O–Ring/Maintenance Kit, part number
191922GS by contacting the nearest authorized service
center. It is not included with the pressure washer.This kit
includes replacement o-rings, rubber washer and water
inlet filter. Refer to the instruction sheet provided in the kit
to service your unit's o-rings.
Cleaning Chemical Injection Hose
If you used the chemical injection hose, you must flush it
with clean water before stopping the engine.
1. Place chemical injection hose in a bucket full of clean
water.
2. Slide adjustable nozzle forward to low pressure
position. Flush for 1-2 minutes.
3. Shut off engine.
IMPORTANT: Simply shutting OFF engine will not
release pressure in the system. When the engine has
shut down, squeeze the trigger on the spray gun to
relieve the pressure in the hose.