
Westinghouse Portable Power | 19
CHANGING ENGINE OIL
1. Stop the engine.
2. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
3. Remove the engine service panel to gain access to
the oil fill/drain plug.
4. Place oil pan (or suitable container) under the oil fill/
drain plug (see Figure 15).
oil pan
Figure 15: Place oil pan under oil fill/drain plug
5. With a damp rag, thoroughly clean around the oil fill/
drain plug.
6. Tilt the inverter so the oil drains down through into
the container. (see Figure 16)
Figure 16: Carefully tip inverter so oil flows into oil pan
7. Allow oil to completely drain.
8. Fill crankcase with oil following the steps outlined in
Adding Engine Oil
on page 18.
9. Dispose of used engine oil properly.
MAINTENANCE
NOTICE
Never dispose of used engine oil by dumping the
oil into a sewer, on the ground, or into groundwater
or waterways. Always be environmentally
responsible. Follow the guidelines of the EPA or
other governmental agencies for proper disposal
of hazardous materials. Consult local authorities or
reclamation facility.
AIR FILTER MAINTENANCE
WARNING
Never use gasoline or other flammable
solvents to clean the air filter. Use only
household detergent soap to clean the
air filter.
Cleaning the Air Filter
The air filter must be cleaned after every 50 hours of use
or 3 months (frequency should be increased if inverter is
operated in a dusty environment).
1. Turn off the inverter and let it cool for several
minutes if running.
2. Remove the engine service panel to gain access to
the air filter.
3. Unlip the air filter cover at the top and bottom and
place finger in bottom hole to pull off. (see Figure 17)
4. Remove the foam element from the air cleaner hous-
ing.
Figure 17: Unclip air cleaner cover