Westinghouse WH10000, User Manual

Westinghouse Portable Power | 23

oil pan

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 17).

4.  With a damp rag, thoroughly clean around the oil 

drain plug.

5.  Remove the oil drain plug (see Figure 17). Once 

removed, place the oil drain plug on a clean 

surface.

Figure 17 - 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 22.

NOTICE

Never dispose of used engine oil by dumping the 

oil into a sewer, on the ground, or into ground 

water 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 

generator is operated in a dusty environment).

1. 

Turn off the generator and let it cool for several 

minutes if running.

2. 

Move the generator to a flat, level surface.

3.  Unclip the clips on the top and bottom of the air 

filter cover (Figure 18). 

4.  Remove the black coarse air filters.
5.  Wash the foam air filter elements by submerging 

the elements 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 filter element 

during cleaning or drying. Only apply slow but firm 

squeezing action.

6.  Rinse in clean water by submerging the air filter 

elements in fresh water and applying a slow 

squeezing action

MAINTENANCE 

Figure 18 - Clips on air filter