Westinghouse WGen7500c, User Manual

Westinghouse Outdoor Power Equipment, LLC | 21

MAINTENANCE

MAINTENANCE

WARNING

Accidental start-up. Disconnect the spark plug boot from 

the spark plug and disconnect the battery quick-connect 

plugs when performing maintenance on the generator. 

MAINTENANCE SCHEDULE

Regular maintenance will improve performance and 

extend the service life of the generator. Follow the hourly 

or calendar intervals, whichever occurs first. More frequent 

service is required when operating in adverse conditions 

as noted below. 

Before Each Use

Check engine oil

After First 25 Hours or First Month

Change engine oil

After 50 Hours or Every 6 Months

Change engine oil

1

Clean air filter

2

After 100 Hours or Every 6 Months

Inspect/clean spark arrestor 

Inspect/clean spark plug 

Fuel valve maintenance 

Inspect/adjust valve clearance

3

After 300 Hours or Every Year

Replace spark plug 

Replace air filter

1

Change oil every month when operating under heavy 

load or in high temperatures. 

2

Clean more often under dirty or dusty conditions. 

Replace air filter if it cannot be adequately cleaned.

3

Recommend service to be performed by authorized 

Westinghouse service dealer.

MAINTENANCE REMINDERS

Maintenance reminder codes will be shown on the Data 

Display based on unit Lifetime Hours. The maintenance 

codes will be displayed until the unit is turned off. Refer to 

the Maintenance section for specific procedures. 

Maintenance Code Required Maintenance

P25

Change engine oil

P50

Change engine oil, clean air filter

P100

•  Change engine oil

• 

Clean air filter

•  Fuel valve maintenance

•  Inspect/adjust valve clearance

MAINTENANCE REPLACEMENT PARTS

Description

Part Number

Air filter

5205

Oil drain plug crush washer

94004

Spark arrestor

6866

Battery, 9.0 AH

511008

Spark plug

97108 (F7TC)

AIR FILTER MAINTENANCE

WARNING

Fire hazard. 

NEVER

  use  gasoline  or  other  flammable 

solvents  to  clean  the  air  filter.  Use  only  household 

detergent soap to clean the air filter.

The air filter must be cleaned after every 50 hours of use or 

six months (frequency should be increased if the generator  

is operated in a dusty environment).

1. 

Place the generator on a level surface and allow the 

engine to cool for several minutes.

2. 

Release the top and bottom clips then remove the air 

filter cover. 

3. 

Remove the air filters. Use compressed air to clean the 

coarse air filter. 

Note: 

The  foam  air  filter  element  is  oil  soaked.  Use  an 

appropriate cleaning container. 

NOTICE

Avoid skin contact with engine oil. Wear protective 

clothing and equipment. Wash all exposed skin with 

soap and water.

4. 

Remove the foam air filter and wash it by submerging 

the element in a solution of household detergent soap 

and warm water. Slowly squeeze the foam to thoroughly 

clean.