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 TM 55-1905-221-14-4
6-42. VIBRATION DAMPER, CRANKCASE FRONT COVER AND CRANKSHAFT PULLEY (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSPECTION
7. Vibration
a. Inspect the damper to see
Damper
that the rubber is firmly
bonded to the metal parts
at each side. If the
damper has been exposed
to fuel oil, lubricating
oil, or excessive heat,
the rubber may have
become loosened from the
metal. In this event,
the damper should be
discarded and replaced
with a new one. Also,
check to see that the
metal discs are not bent.
b. Inspect the damper inner
and outer cones, damper
hub and the end of the
crankshaft for galling or
burrs. Slight scratches
or burrs may be removed
with emery cloth. If
seriously damaged, the
parts should be replaced
and the end of the
crankshaft refinished.
Check the outside
diameter of the inner
cone for wear at the
crankshaft front oil seal
contact surface. If
worn, the oil seal and
cone should be replaced.
8. Crankcase
Inspect for damage.
Front Cover
9. Crankcase
Inspect for damage.
Pulley
6-953
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