Generac Power Systems 2100PSI Owner's Manual page 13

Pump Maintenance
Changing Pump Oil
Change oil every 50 hours or once yearly, whichever
occurs first.
NOTE: Purchase a premeasured bottle of pump oil, item
number 190586GS, by contacting the nearest authorized
service center.
Change pump oil as follows:
1. Drain engine oil and fuel from pressure washer.
2. Use a 8mm allen wrench to remove black pump oil
cap between high pressure outlet and garden hose
inlet (Figure 13).
Figure 13 - Changing Pump Oil
Generac Portable Products 2100 PSI Pressure Washer
Oil Cap
3. Tilt pressure washer to drain oil into an approved
container until it drips slowly from pump.
4. Tilt pressure washer in opposite direction and empty
premeasured pump oil bottle into same opening (a
small funnel may be helpful).
5. Install black pump oil cap and tighten firmly.
6. Set pressure washer in upright position. Add fuel and
engine oil.
ENGINE MAINTENANCE
See the engine owner's manual for instructions on how to
properly maintain the engine.
CAUTION
Avoid prolonged or repeated skin contact with used
motor oil.
• Used motor oil has been shown to cause skin cancer in
certain laboratory animals.
• Thoroughly wash exposed areas with soap and water.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
13