18 | Westinghouse Portable Power
CHANGING ENGINE OIL
1. Stop the engine.
2. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
3. Place oil pan (or suitable container) under the oil
drain plug (see Figure 12).
4. With a damp rag, thoroughly clean around the oil
drain plug.
5. Remove the oil drain plug (see Figure 12). Once
removed, place the oil ll plug/dipstick on a clean
surface.
Figure 12: Oil drain plug
6. Allow oil to completely drain.
7. Replace oil drain plug.
8. Fill crankcase with oil following the steps outlined in
Adding Engine Oil on page 17
9. Dispose of used engine oil properly.
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.
MAINTENANCE
AIR FILTER MAINTENANCE
WARNING
Never use gasoline or other ammable
solvents to clean the air lter. Use only
household detergent soap to clean the
air lter.
Cleaning the Air Filter
The air lter 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 o the inverter and let it cool for several
minutes if running.
2. Unscrew the air cleaner cover and set aside
(see Figure 13).
Figure 13: Oil drain plug
3. Remove the foam element from the air cleaner
housing.
4. Wash the foam air lter element by submerging
the element in a solution of household detergent
soap and warm water. Slowly squeeze the foam to
thoroughly clean.
NOTICE
NEVER twist or tear the foam air lter element
during cleaning or drying. Only apply slow but rm
squeezing action.
6. Rinse in clean water by submerging the air lter el-
ement in fresh water and applying a slow squeezing
action (see Figure 14).
Figure 14
oil pan
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