Craftsman 28986 Operation Manual - Page 29

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REPLACE SPARK PLUG Service Interval: Yearly Replacement Spark Plug: 491055S Spark Plug Gap: .030" (.76 mm) 1. Stop the engine and allow it to cool. 2. Clean the area around the spark plug. 3. Remove the spark plug. 4. Check the spark plug gap. It should be .030" (see Figure 34). 5. Reinstall the plug into the cylinder head. Tighten the plug to 180 in-lbs (20 Nm). .030" (.76 ram) Figure 33. Spark Plug Gapping 29

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REPLACE
SPARK
PLUG
Service
Interval:
Yearly
Replacement
Spark
Plug: 491055S
Spark
Plug Gap: .030" (.76 mm)
1. Stop the engine and allow it to cool.
2.
Clean the area around the spark plug.
3.
Remove the spark plug.
4.
Check the spark plug gap.
It should be .030" (see
Figure 34).
5.
Reinstall the plug into the cylinder
head. Tighten the
plug to 180 in-lbs (20 Nm).
.030"
(.76
ram)
Figure
33. Spark
Plug Gapping
29