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TM 10-4130-239-14
4-30.
SPARK PLUGS REPLACEMENT (CONT)
TEST
1.
Remove spark plug from one cylinder. Reconnect spark plug wire.
2.
Remove second spark plug wire to prevent engine from starting.
3.
Ground spark plug. While cranking engine check for spark.
Repeat steps I through 3 on the other cylinder.
4.
Readjust engine speed to 1200 RPM.
REMOVAL
1.
Remove two spark plug wires from spark plugs.
2.
Remove two spark plugs.
ADJUSTMENT
Gap each spark plug to 0.30 in. (0.76 mm).
INSTALLATION
1.
Install two spark plugs and tighten
2.
Attach two spark plug wires to spark plugs.
Change 3 4-61
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