Craftsman 536.88113 Instructions Manual page 28

TO adjust:
1, Clean spark plug by carefully
scraping the electrodes (Do not
sand blast or use a wire brush).
2. Be sure spark plug is clean and
free of foreign material. Check elec-
trodes gap with a wire feeler gauge
and reset gap to 0.030" if neces-
sary. See Figure 38.
To Replace:
1. If you need a new spark plug, use
only the proper replacement spark
plug.
2. Set the gap to 0.030 inches.
3. Before installing the spark plug,
lightly coat the spark plug threads
with oil or grease to insure easy re-
moval.
4. Firmly tighten the spark plug in the
engine.
5. If a torque wrench is available,
torque the plug to 18 to 23 foot
pounds.
Feeler Gauge
Spark Plug
Figure 38
F-001060J 28