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Page Title:
Table 1. DIFFERENTIAL RIGHT ANGLE GEARBOX WEAR LIMITS |
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 TM 9-2520-238-34
REPAIR DIFFERENTIAL RIGHT ANGLE GEARBOX -- Continued
0028 00
Table 1. DIFFERENTIAL RIGHT ANGLE GEARBOX WEAR LIMITS
Reference
Point of Measurement
Size and Fit of New Parts
Wear Limits
Letter
A
Inside diameter at bearing surface in bearing housing
4.4375 to 4.4385
4.4390
B
Outside diameter at seal surface of bevel gear
2.6220 to 2.6280
2.6200
C
Outside diameter at bearing surface of bevel gear
2.7515 to 2.7525
(*)(**)
D
Outside diameter of bearing
4.3301 to 4.3307
(*)(**)
E
Inside diameter of bearing
2.9522 to 2.9528
(*)(**)
F
Outside diameter of bearing
5.1173 to 5.1181
(*)(**)
G
Inside diameter at bearing surface of housing
3.1179 to 5.1189
(**) 5.1194
G-F
Fit of bearing in housing
0.0016L to 0.0002T
0.0021L
H
Outside diameter at bearing surface of gear hub
2.9527 to 2.9533
(*)(**)
H-E
Fit of bearing on gear hub
0.0001L to 0.0011T
(*)
I
Outside diameter at bearing surface of gear hub
3.3464 to 3.3471
(*)(**)
J
Outside diameter of bearing
5.9047 to 5.9055
(*)(**)
K
Inside diameter of bearing
3.3457 to 3.3465
(*)(**)
K-I
Fit of bearing on gear hub
0.0001L to 0.0014T
(*)
L
Inside diameter of bearing surface of adapter plate
5.9053 to 5.9060
(**) 5.9065
L-J
Fit of bearing in plate
0.0013L to 0.002T
0.0018L
M
Backlash between gears in plane of rotation
0.008 to 0.013
(*)(***)
N
Inside diameter at bearing surface in housing
4.3300 to 4.3309
(**) 4.3312
N-D
Fit of bearing in housing
0.0008L to 0.0007T
0.0011L
O
Inside diameter of bearing
2.3616 to 2.3622
(*)(**)
P
Outside diameter at bearing surface of bevel gear
2.3630 to 2.3637
(*)(**)
P-O
Fit of bearing on bevel gear
0.0008T to 0.0021T
(*)
Q
Outside diameter of bearing
4.4375 to 4.4385
(*)(**)
Q-A
Fit of bearing in housing
0.0010L to 0.0010T
0.0015L
R
Inside diameter of bearing
2.7500 to 2.7510
(*)(**)
R-C
Fit of bearing on bevel gear
0.0005T to 0.0025T
(*)
S
Inside diameter at seal surface of retainer
3.3490 to 3.3510
(*)(****)
* Must be within new parts dimensions.
** Measure only if there is visual indication of bearing turning.
*** To measure backlash see repair differential right angle gearbox (WP 0029 00).
**** Measure only if there is visual indication of surface damage.
END OF TASK
0028 00-22
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