Adding Engine Oil; Changing Engine Oil; Air Filter Maintenance; Cleaning The Air Filter - Westinghouse WH4500 Owner's Manual

Adding Engine Oil

1. Always operate or maintain the generator on a fl at
surface.
2. Stop engine if running.
3. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
4. Thoroughly clean around the oil fi ll plug/dipstick.
5. Remove oil fi ll plug/dipstick and wipe clean.
6. Select the proper engine oil as specifi ed in Figure
30.
7. Using the supplied funnel and tube, slowly add
engine oil to the engine. Stop frequently to check
the level to avoid overfi lling (see Figure 33).
Figure 33 – Adding Engine Oil
8. Continue to add oil until the oil is at the correct
level. See Checking Engine Oil on page 30.

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.
4. With a damp rag, thoroughly clean around the oil
drain plug.
MAINTENANCE
5. Remove the oil drain plug (see Figure 34). Once
removed, place the oil drain plug on a clean
surface.
Figure 34 – Oil Drain Plug
6. Remove the oil fi ll plug so the oil can drain more
easily from the oil drain port.
7. Allow oil to completely drain.
8. Replace oil drain plug.
9. Fill crankcase with oil following the steps outlined in
Adding Engine Oil on page 31.
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.
10. Dispose of used engine oil properly.

AIR FILTER MAINTENANCE

WARNING
Never use gasoline or other fl ammable
solvents to clean the air fi lter. Use only
household detergent soap to clean the
air fi lter.

Cleaning the Air Filter

The air fi lter must be cleaned after every 50 hours of
use or 3 months (frequency should be increased if
generator is operated in a dusty environment).
1. Turn off the generator and let it cool for several
minutes if running.
31