TM 5-3895-373-34
2.76
REPAIR SCREED VIBRATION MOTOR - Continued
C.
INSPECT.
1.
INSPECT MOTOR COVER AND COMPONENTS.
a.
Spin needle bearing (31) and inspect for bearing
surface wear and rough or impeded bearing
rotation. Replace the bearing if any damage is
found.
b
Inspect motor cover (6) threaded holes A and B
for damaged or stripped threads. Inspect mating
surface C and seal groove D for wear, cracks, or
damage that affect the seal of the screed
vibration motor.
c.
If needle bearing (31) has been removed,
inspect inner bearing surface E of motor cover
(6) for surface wear, cracks, or any damage that
would affect the proper operation of the bearing.
d.
If any damage is found to motor cover (6),
discard motor cover.
2.
INSPECT MOTOR BODY AND COMPONENTS.
a.
Spin needle bearing (33) and inspect for bearing
surface wear and rough or impeded bearing
rotation. Replace the bearing if any damage is
found.
b.
Inspect motor body (17), sealing surface F, for
wear, cracks, or damage that would affect the
seal of the screed vibration motor.
c.
If needle bearing (33) has been removed,
inspect inner bearing, surface G, of motor body
(17) for surface wear, cracks, or any damage
that would affect the proper operation of the
bearing.
d.
Inspect gear pocket, surface H, on motor body
(17) for surface wear, cracks, or damage that
would affect the proper operation of the gerotor.
e.
If any damage is found to motor body (17),
discard motor body.
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