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Service and adjustment – Craftsman 536.886440 User Manual

Page 27

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SERVICE AND ADJUSTMENT

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 34.

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

F-001087J

27

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