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TM 9-2320-360-34-1
(4)
Inspect threads for peeled or crossed condition.
(5)
Check to ensure thrust washer thickness is between 0.2350 and 0.2450 in. (5.99 and 6223 mm).
(6)
Check to ensure that thrust bearing thickness is between 0.0590 and 0.0610 in. (1.498 and 1.549 mm).
Inspect thrust bearings for scoring.
(7)
Inspect drive gear teeth for scoring, pitting, and burning (blue or dark spots). Replace if teeth are defective.
(8)
Inspect auxiliary drive hub for cracks, breaks, stripped threads, or worn-out splines in bore. Replace if
damaged.
(9)
Inspect both flex spring plates for cracks, distortion, or other damage. Replace if defective.
(10)
Check that inside diameter of drive gear
bushings (1) is between 1.6260 and
1.6265 in. (41.300 and 41.313 mm).
Record diameter.
(11)
Check diameter of blower drive support
(2) at base of shaft (3). Diameter must be
between 1.6240 and 1.6265 in. (41.249
and 41275 mm). Record diameter.
(12)
Subtract diameter recorded in step (10)
from diameter recorded in step (11).
Clearance between blower drive support
(2) and support bushing (1) is between
0.0010 and 0.0025 in. (0.025 and 0.063
mm) when parts are new. Limit is 0.0050
in. (0.127 mm) for used parts.
d.
Assembly
NOTE
Do step (1) only if bearings were
removed.
(1)
Press two sleeve bearings (1) into drive
gear (2) flush with drive gear.
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