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 TM 5-2805-261-13
3-11. SPARK PLUG GAP
This task covers:
Setting spark plug gap.
INITIAL SETUP :
Tools:
Equipment Condition:
Feeler gage
Engine OFF
Spark plug cleaning machine
Spark plugs removed. See para 3-10
Clean fine bristle, fibre brush
Materials/Parts:
None
Personnel Required:
Approximate Time Required (minutes):
1 operator
15
LOCATION/ITEM
ACTION
REMARKS
SET SPARK PLUG GAP
1. Spark plugs
Clean.
Use a sand blasting machine if possible. If not avail-
able, use a clean, fine bristle fiber brush.
2. Spark plug gap
Set for 0.030" (0.76mm).
Use a feeler gage to check the gap. Gently tap to close
or spread to widen gap.
3. Spark plugs
Install.
See para 3-10.
3-12
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