Briggs & Stratton PRO4000 manual Changing Engine Oil, Service Air Cleaner, Service Spark Plug

Changing Engine Oil

If you are using your generator under extremely dirty or dusty conditions, or in extremely hot weather, change the oil more often.

CAUTION Avoid prolonged or repeated skin contact with used motor oil.

•Used motor oil has been shown to cause skin cancer in certain laboratory animals.

•Thoroughly wash exposed areas with soap and water.

KEEP OUT OF REACH OF CHILDREN. DON’T

POLLUTE. CONSERVE RESOURCES. RETURN

USED OIL TO COLLECTION CENTERS.

Change the oil while the engine is still warm from running, as follows:

1.Make sure unit is on a level surface.

2.Disconnect the spark plug wire from the spark plug and place the wire where it cannot contact spark plug.

3.Clean area around oil drain plug. The oil drain plug is located at base of engine, opposite carburetor.

4.Remove oil drain plug and drain oil completely into a suitable container.

5.Reinstall oil drain plug and tighten securely. Remove oil cap/dipstick.

6.Slowly pour recommended oil (about 30 oz.) into oil fill opening. Pause to permit oil to settle. Fill to “Full” mark on dipstick.

7.Wipe dipstick clean each time oil level is checked. DO NOT overfill.

8.Reinstall oil cap/dipstick. Tighten cap securely.

9.Wipe up any spilled oil.

Service Air Cleaner

Your engine will not run properly and may be damaged if you run it with a dirty air cleaner. Clean or replace more often if operating under dusty or dirty conditions.

To service the air cleaner, follow these steps:

1.	Loosen screws (A) and remove air cleaner cover (B).
	D	E
	C
	B
A
2.	Carefully remove foam pre-filter (C) and paper filter (D).

3.Wipe clean inside of base (E) and cover thoroughly.

4.Clean or replace the foam pre-filter. To clean, wash pre- filter in a solution of household detergent and warm water, then rinse thoroughly. Squeeze dry in a clean cloth.

5.Saturate foam pre-filter in clean engine oil and squeeze in a clean, absorbent cloth to remove all excess oil. DO NOT twist.

NOTICE The engine will smoke during initial start-up if too much oil is left in the pre-filter.

6.Clean paper filter by tapping it gently on a solid surface. If the paper filter is too dirty, replace it with a new one. Dispose of the old filter properly.

7.Insert the foam pre-filter into the air cleaner cover, then the paper filter.

8.Assemble air cleaner cover onto base and tighten screws.

Service Spark Plug

Changing the spark plug will help your engine to start easier and run better.

1.Clean area around spark plug.

2.Remove and inspect spark plug.

3.Check electrode gap with wire feeler gauge and reset spark plug gap to recommended gap if necessary (see Specifications).

19