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Page Title:
TABLE 3-2. INTERMEDIATE INSPECTION REQUIREMENTS (cont) |
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 TM 55-4920-373-14&P
TABLE 3-2. INTERMEDIATE INSPECTION REQUIREMENTS (cont)
INTERMEDIATE
REQUIREMENTS
INSPECTION
ITEM
all loose bolts from 25 to 32
Muffler - (cont)
ft. lbs. torque
If the valves are noisy or loss
50 hrs
Valve mechanism
of power is noticed, inspect the
condition of the valve mechan-
ism
Remove valves covers and
adjust valve lifter clearance if
n e c e s s a r y . The correct clear-
ance for the valve lifters is
0.0080 inch for the intake
valves and 0.0160 inch for the
exhaust valves. Replace cover
gaskets if defective
Inspect the ignition magneto
50 hrs
Magneto
for loose mounting bolts and
wiring connections. Correct
any deficiencies noted. Remove
the end cap and inspect the dis-
tributor cap for cracks, and
corroded terminals. Examine
the breaker point gap. The
correct gap is 0.015 inch at
full separation of points
Inspect the spark plugs for
50 hrs
Spark plugs
looseness, bad connections, and
dirty or broken insulators.
Replace damaged spark plugs.
Clean dirty plugs and set the
gap to 0.0300 inch
Inspect the mounting of the
50 hrs
Starter motor
starter motor for loose connec-
tions. Examine the brushes,
brush holders and springs. In-
spect the commutators for dirt
and scoring
Inspect for proper operation,
50 hrs
tight connections and secure
mounting
Inspect for proper operation,
50 hrs
Voltage regulator
tight connections, and secure
mounting. The regulator should
allow an appreciable charge to
go into the battery after the
starter is used. After the
battery is fully charged, the
ammeter should read only a
slight charge
3-9
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