Engine Lubrication; How To Change The Engine Oil; Spark Plug - Craftsman 536.881400 Operator's Manual

ENGINE
LUBRICATION
Check the crankcase oil level before
starting the engine and after each eight
(8) hours of continuous use. See
Figure 9. Add S.A.E. 5W30 motor oil as
needed. Synthetic 5W30 is acceptable
for all temperatures. Tighten oil fill cap/
dipstick securely each time you check
the oil level.
1. Lift the rear of the snowthrower and
tilt the unit forward. In the correct
position, the snowthrower will be
setting on the front of the auger
housing.
2. Put an oil drain pan under the oil
fill tube (See Figure 10).
OII Fill Cap/Dipstick
NOTE: Oil level must be at FULL mark.
Figure 9
Change the oi! every fifty (50) hours or
at least once a year if the snow thrower
is not used for fifty (50) hours.
HOW TO CHANGE THE ENGINE OIL
To change the engine oi!, the engine
must be tilted forward and the oil
drained from the oil fill tube. Change oil
when the engine is warm.
OII Fill Tube
OII Drain
Pan
Figure 10
3. Carefully remove the oil fill cap/dip-
stick. Oil will begin to flow into the
oil drain pan.
4. After all the oil has drained from the
engine, set the snowthrower in the
upright operating position.
5. Fill the engine with S.A.E 5W30 oil.
Make sure the oil reaches the FULL
mark on the oil fil! cap/dipstick. DO
NOT OVERFILL.
NOTE: For extreme cold operating
conditions of 0°F and below, use a par-
tial synthetic 5W30 motor oil for easier
starting.
SPARK PLUG
Check the spark plug every twenty-five
(25) hours. Replace the spark plug if
the electrodes are pitted or burned, if
the porcelain is cracked, or every 100
hours of use.
1. Make sure the spark plug is clean.
Clean the spark plug by carefully
scraping the electrodes (do not
sand blast or use a wire brush),
2. Check the spark plug gap with a
feeler gauge and reset gap to 0.30"
if necessary. See Figure 11.
F-051009C
16
Before installing the spark plug,
coat the threads lightly with oil for
easy removal. Tighten the spark
plug to a torque of 15 foot-pounds.
Feeler Gauge
0.030"
Spark Plug
Figure 11