Briggs & Stratton 40375 Operator's Manual page 26

Changing Engine Oil and Oil Filter
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.
NOTICE Any attempt to crank or start the engine before it has
been properly serviced with the recommended oil will result in
equipment failure.
DO NOT attempt to crank or start the engine before it has
been properly serviced with the recommended oil. This
may result in an engine failure.
Damage to equipment resulting from failure to follow this
instruction will void engine and generator warranty.
Change the oil while the engine is still warm from running,
as follows:
1. Press and hold the control board OFF button.
2. Remove 15 Amp fuse from control board.
3. Place oil drain hose into an approved container.
4. Remove brass fitting from end of drain hose and drain
oil into an approved container.
5. When oil has drained, replace brass fitting on hose.
6. Place an approved container under oil filter.
7. Remove oil filter and dispose of properly.
8. Before installing a new oil filter, lightly lubricate the oil
filter gasket with fresh, clean oil.
9. Install the oil filter by hand until the gasket contacts
the oil filter adapter, then tighten the oil filter 1/2 to 3/4
turn.
10. Add oil.
11. Remove container from under oil filter and clean up any
spilled oil.
12. Start and run engine. As engine warms up, check for oil
leaks.
13. Stop engine, wait for oil to settle, check oil level and
add if necessary.
26
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. Remove the knob (A) and the cover (B). Remove the
nut (C) and the retainer(D).
2. Remove air filter (E).
3. To loosen debris, gently tap air cleaner on a hard
surface. If air cleaner is excessively dirty, replace with a
new air cleaner.
4. Install the air filter and secure with retainer and nut.
5. Install the cover and secure with knob.
NOTICE Replacement parts must be the same and installed in the
same position as the original parts.