Briggs & Stratton PRO8000 Operator's Manual page 20

Changing Engine Oil and Filter
If you are using your generator under heavy load, 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 wires from the spark plug
and place the wire where it cannot contact spark plugs.
3. Clean area around oil drain plug. The oil drain plug is
located at base of engine.
4. Remove oil drain plug and oil fill cap and drain oil
completely into a suitable container.
5. Reinstall oil drain plug and tighten securely.
6. Place a suitable container beneath oil filter and turn
filter counterclockwise to remove.
7. Lightly coat gasket of a new filter with fresh engine oil.
Turn new filter clockwise until gasket contacts filter
adapter, then tighten an additional 3/4 turn.
8. Remove oil dipstick.
9. Slowly pour 32 oz. (1 liter) of recommended oil into oil
fill opening.
10. Start and run engine for 30 seconds. Shut engine off
and wait 30 seconds for oil to settle.
11. Add more oil to "Full" mark on dipstick. Wipe dipstick
clean each time oil level is checked. DO NOT overfill.
NOTE: Engine holds approximately 48 oz. (1.4 liters) when
changing oil and filter.
12. Reinstall oil fill cap and oil dipstick. Tighten oil fill cap
securely.
13. Wipe up any spilled oil.
14. Reconnect spark plug wires to spark plugs.
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.
20
To service the air cleaner, follow these steps:
1. Unhook latches (A) on both sides of cover (B) and
remove cover.
B A
2. Remove knob (C) and plate (D). Carefully remove air
cleaner assembly to prevent debris from entering
carburetor.
3. Slide foam pre-cleaner (F) off cartridge (E) and wash
pre-cleaner in liquid detergent and water.
4. Squeeze the pre-cleaner dry with a clean cloth. DO NOT
TWIST.
5. Tap cartridge gently on a solid surface to loosen and
remove trapped particles.
6. Reassemble clean (or new) pre-cleaner on clean (or
new) cartridge.
7. Install clean (or new) air cleaner assembly inside cover.
Dispose of old filter properly.
8. Reinstall knob and plate.
9. Replace cover and reattach latches to cover.
Service Spark Plugs
Changing the spark plugs will help your engine to start easier
and run better.
1. Clean area around spark plugs.
2. Remove and inspect spark plugs.
3. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Specifications).
C
D
E
F
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