TM 5-4310-354-14
1.
Bearing inner race
6.
Bearing outer race
2.
Rotor
7.
Bearing inner race
3.
Rotor key
8.
Bearing assembly
4.
Drive end cover
9.
Rotor shaft
5. Bearing ring
TS5-4310-354-14/6-9
Figure 6-9. Drive end cover-rotor, disassembly and reassembly.
CAUTION
NOTE
Do not heat bearing inner races (1, 7,
If inner race (7) cannot be removed
with a puller, use a torch to heat the
intended to replace the entire
race evenly. While race is still hot,
bearing.
Excessive heat causes
pull off of shaft as quickly as
softening of the metal; therefore, any
possible. Discard entire bearing (8)
bearing heated for removal shall be
when race (7) is removed by heating.
replaced.
c. Cleaning, Inspection, and Repair.
(a) Remove bearing ring (5) from rotor
shaft extension. Use a gear puller,
(1) Clean all parts in accordance with para
or equivalent, and pull bearing inner
race (1) from rotor shaft (9).
(2) Inspect all springs for defective coils,
cracks, distortion, or any other defect.
NOTE
(3) Inspect intake control diaphragm (5, figure
If inner race (1) cannot be removed
with a puller, use a torch to heat the
defect.
race evenly. While race is still hot,
pull off of shaft as quickly as
(4) Inspect intake valve (13) for cracks,
possible.
Discard entire bearing
distortion, condition of seat, excessive
when race was removed by heating.
wear, or any other defect.
(b) Remove rotor (2) from rotor shaft (9)
and remove rotor key (3) from shaft
(5) Inspect rotor blades (73) for cracks,
(9) keyway.
chipping, excessive wear, or any other
defect. If blades are worn on one side
(c) Remove drive end cover (4) from
only, they can be turned over and reused.
rotor shaft (9). Remove bearing
Refer to figure 6-11.
outer race (6).
(6) Inspect rotor (77, figure 6-8) and stator
(d) Use a gear puller, or equivalent, and
(93) for cracks, scoring, excessive wear,
pull bearing inner race (7) off of
raised metal, or any other defect.
rotor shaft (9).
6-17
