Westinghouse WGen5300c, User Manual

Westinghouse Outdoor Power Equipment, LLC | 19

MAINTENANCE

ENGINE OIL LEVEL CHECK

Avoid skin contact with engine oil. Wear protective 

clothing and equipment. Wash all exposed skin with 

soap and water.

NOTICE

ALWAYS

 use the specified engine oil. Failure to use the 

specified engine oil can cause accelerated wear and/or 

shorten the life of the engine. 

When using the generator under dirty, dusty conditions or 

in extremely hot weather, change the oil more frequently. 
Ambient air temperature will affect engine oil performance. 

Change the type of engine oil used based on weather 

conditions.

Check the engine oil level before each use or every 8 

hours of operation.

1. 

Place the generator on a level surface and allow the 

engine to cool for several minutes.

2. 

With a damp rag, clean around the oil dipstick.

3. 

Remove the oil dipstick and wipe the dipstick clean. 

4. 

Insert the dipstick into the oil filler neck without screwing 

it in. Remove the dipstick and verify that the oil level 

is within safe operating range between the low (L) and 

high (H) marks on the dipstick. 

Safe Operating Range

L

H

5. 

If low, add recommended engine oil incrementally and 

recheck until the level is between the L and H marks on 

the dipstick. 

DO NOT

 overfill. If over the H mark on the 

dipstick, drain the oil to reduce the oil level to the full 

mark.

6. 

Replace the oil dipstick and hand-tighten.

ENGINE OIL CHANGE

When using the generator under dirty, dusty conditions or 

in extremely hot weather, change the oil more frequently. 

Change the oil while the engine is still warm from operation. 

1. 

Place the generator on a level surface and allow the 

engine to cool for several minutes.

2. 

With a damp rag, clean around the oil dipstick. Remove 

the dipstick and wipe clean. 

3. 

Place an oil pan (or suitable container) under the oil 

drain bolt.

4. 

Using a 10mm wrench, remove the oil drain bolt and 

allow the oil the to drain. 

Drain bolt

Oil pan

5. 

Install the oil drain bolt and tighten securely. 

Note: 

A new oil drain plug crush washer is recommended 

at each oil change.

6. 

Slowly pour oil into the oil filler neck until oil the level 

is between the L and H marks on the dipstick. Stop 

frequently to check the oil level. 

DO NOT

 overfill. 

Maximum oil capacity: 0.74 Quart (0.7 Liter)
7. 

Install the oil dipstick and hand-tighten.