Lubrication; To Change The Engine Oil; To Change The Air Filter - Craftsman 536.772320 Operator's Manual

MAINTENANCE
LUBRICATION
After each 25 hours, apply a small amount of
engine oil to all moving parts, particularly the
wheels.
How To Change The Engine Oil
Change the oil in the engine crankcase after
each 25 hours of use.
NOTE: The oil will drain more freely when
the engine is warm.
1. Disconnect the spark plug wire from the
spark plug.
2. Remove the oil drain plug (see
Figure 11). Drain the oil into a flat pan.
3. After draining all the oil, install and tight-
en the oil drain plug.
4. Remove the oil fill cap (see Figure 12).
Fill the engine crankcase. Pour slowly.
Do not overfill. See "Product Specifica-
tions" for amount and type of oil. Install
the oil fill cap.
5. Connect the spark plug wire to the spark
plug.
ire 11
Oil Cap / Dipstick
Figure 12
HOWTO CHANGE THE AIR FILTER
Replace the air filter once a year; more often
in dusty or dirty conditions.
NOTE: DO NOT clean or oil the air filter.
The air filter is not serviceable and must
be replaced.
1. Disconnect the spark plug wire from the
spark plug.
2. Remove screw as illustrated (see
Figure 13).
3. Carefully remove air cleaner to prevent
dirt from falling into carburetor.
4. Take air cleaner apart and clean all
parts.
5. Re-install clean and oiled (or new and
oiled) Oil-Foam® element and cup in air
cleaner body. Lip of element must ex-
tend over edge of body.
6. Install air cleaner on carburetor. Tighten
Screw
7. Connect the spark plug wire to the spark
plug.
F-021104L
CAUTION: Never run the engine without
the air filter. A defective air filter will
cause a loss of engine power. If dirt or
dust enters the engine through the carbu-
retor, the result will be excessive wear or
damage to the engine. Replace a dam-
aged or clogged air cleaner immediately.
15
Screw
Cover
Air Filter
Figure 13