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TM 10-3930-653-14&P
Condition
Location
Probable cause
Corrective action
Engine knocks
Distributor
Improper and advance timing.
Correct.
very often.
Coming off or breakage of governor spring.
Correct or replace.
Governor portion worn out.
Replace.
Spark plugs.
Burnt too much.
Replace.
Engine does not
Distributor
Improper and retarded timing.
Correct.
give enough power.
Faulty function of governor.
Replace assembly.
Dirty points.
Clean.
Point gap too narrow.
Correct.
Spark plugs
Dirty.
Clean.
4-92
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