Nozzle Maintenance; Engine Maintenance; Engine Oil Recommendations; Inspect Engine Oil Level - Generac Power Systems PowerWasher Operator's Manual

Nozzle Maintenance

A pulsing sensation felt when squeezing spray
gun trigger may be caused by excessive
pump pressure. Typical causes of excessive
pump pressure are nozzle clog or restriction.
Immediately clean nozzle as follows:
1. Turn engine and water supply OFF.
NOTE: Keep high-pressure hose connected to
pump and spray gun while system is pressur-
ized.
2. Relieve spray gun water pressure.
3. Remove nozzle from lance.
4. See Figure 3-7. Use a paper clip to
remove debris.
Figure 3-7. Remove Debris
5. See Figure 3-8. Remove lance from
spray gun and back flush thoroughly.
Figure 3-8. Back Flush Lance
6. Install nozzle on lance.
7. Install lance on spray gun.
8. Verify hose is connected to pump
water inlet, and high-pressure hose is
connected to spray gun, and pump.
9. Turn water ON.
10. Start engine.
11. Test power washer by operating with
each quick connect nozzle.
NOTE: Avoid prolonged or repeated skin con-
tact with used motor oil. Thoroughly wash
exposed areas with soap and water.
12

Engine Maintenance

Engine Oil Recommendations

Only high-quality detergent oils classified for
service SF, SG, SH, SJ or higher are recom-
mended. DO NOT use special additives.
Climate determines proper engine oil viscos-
ity. See chart to select correct viscosity.
Figure 3-9. Oil Viscosity
* Below 50°F (10°C) use of SAE 30 will result
in hard start.
** Above 80°F (27°C) use of 10W30 may
cause increased oil consumption. Inspect oil
level more frequently.

Inspect Engine Oil Level

Inspect engine oil level prior to each use, or
every 8 hours of operation.
1. Place power washer on a level sur-
face.
2. Clean area around oil fill.
3. See Figure 3-10. Remove oil fill cap
and wipe dipstick clean.
Figure 3-10. Engine Oil Fill
4. Screw dipstick into filler neck.Verify
proper oil level on dipstick.
Figure 3-11. Oil Level
5. Add recommended engine oil as nec-
essary.
Operator's Manual for Power Washer