Engine Maintenance - Generac PW 4200 PSI Manuel Du Propriétaire

1. Verify spray gun hose connection is
secure.
2. Squeeze and release trigger.
NOTE: Trigger should spring back into place
and lock when released.
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:
WARNING
Fluid Injection. This machine produces
high-pressure fluid streams that can pierce
skin. Fluid injection could result in death or
serious injury.
1. Turn engine and water supply OFF.
NOTE: Keep high-pressure hose connected
to pump and spray gun while system is
pressurized.
2. Relieve spray gun water pressure.
3. Remove nozzle from lance.
4. See Figure 4-2. Use a paper clip to remove
debris.
5. See Figure 4-3. Remove lance from spray
gun and back flush thoroughly.
6. Install nozzle on lance.
7. Install lance on spray gun.
Figure 4-2.Remove Debris
Figure 4-3.Back Flush Lance
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.
Owner's Manual for Power Washer
Change Pump Oil
1. Clean area around oil drain plug. See
ure
2. Place a small pan under oil drain plug to
catch oil.
3. Remove oil drain plug. Drain oil com-
pletely.
4. Install oil drain plug. Do not over tighten.
5. Clean area around pump oil dipstick.
6. Fill pump with SAE 30 non-detergent oil.
Oil level must be within markings on dip-
stick. See
7. Install oil dipstick until finger tight.
8. Clean up any spilled oil.
(000106b)

Engine Maintenance

000109
Engine Oil Recommendations
To maintain the product warranty, the engine
oil should be serviced in accordance with the
recommendations of this manual. For your
convenience, maintenance kits designed and
intended for use on this product are available
from the manufacturer that include engine oil,
000131
oil filter, air filter, spark plug(s), a shop towel
and funnel. These kits can be obtained from
an Independent Authorized Service Dealer
(IASD).
Climate
viscosity. See chart to select correct viscosity.
Maintenance and Troubleshooting
4-4.
Figure 4-5. Do not overfill.
B
A
Figure 4-4. Drain Pump Oil
Figure 4-5. Pump Oil Dipstick
determines proper
Fig-
009079
000268
engine oil
11