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Page Title:
Table 2. FINAL DRIVE A AND B WEAR LIMITS |
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 TM 9-2520-238-34
REPAIR FINAL DRIVE ASSEMBLIES A AND B -- Continued
0020 00
Table 2. FINAL DRIVE A AND B WEAR LIMITS
Reference
Size and Fit of New
Point of Measurement
Wear Limits
Letter
Parts
A
Inside diameter of spur gear bearing bore in cover
5.5112 to 5.5128
(***) 5.5132
B
Outside diameter of spur gear bearing
5.5110 to 5.5118
(*)(***)
B-A
Fit of bearing in cover bore
0.0006T to 0.0018L
C
Inside diameter of spur gear bearing
3.1490 to 3.1496
(*)(***)
D
Outside diameter of spur gear hub bearing surface
3.1504 to 3.1511
(*)(***)
D-C
Fit of bearing to spur gear hub
0.0008T to 0.0021T
E
Inside diameter of spur gear bearing bore in housing
5.5112 to 5.5128
5.5132
E-B
Fit of bearing in housing bore
0.0006T to 0.0018T
F
Inside diameter of gear bearing bore in housing
3.9370 to 3.9380
3.9384
G
Outside diameter of gear bearing
3.9364 to 3.9370
(*)(***)
G-F
Fit of bearing in housing bore
0.0000 to 0.0016L
H
Inside diameter of gear bearing
2.1648 to 2.1654
(*)(***)
I
Outside diameter at gear bearing surface of gear hub
2.1230 to 2.1270
(*)(***)
I-H
Fit of bearing on gear
0.0008T to 0.0021T
J
Outside diameter at seal surface of gear hub
2.1662 to 2.1670
(**) 2.1210
K
Inside diameter of gear bearing bore in cover
3.9370 to 3.9380
(***) 3.9384
K-G
Fit of bearing in cover bore
0.0000 to 0.0016T
L
Inside diameter of housing output bearing bore
5.5112 to 5.5128
(***) 5.5132
M
Outside diameter of output bearing
5.5110 to 5.5118
(*)(***)
M-L
Fit of bearing in housing bore
0.0006T to 0.0028L
N
Inside diameter of output bearing
3.1490 to 3.1496
(*)(***)
O
Outside diameter at output bearing surface of output shaft
3.1504 to 3.1511
(*)(***)
O-N
Fit of bearing on output shaft
0.0008T to 0.0021T
* Must be within new parts dimensions.
** Measure only if there is visual indication of bearing turning.
*** Measure only if there is visual indication of wear or damage.
END OF TASK
0020 00-15/16 blank
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