TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 109 of 153
TM 9-2520-246-34
Figure 5-18. Repair and Replacement Standard Points of Measurement
for Front Output Shaft and Related Parts.
Table 5-3. Repair and Replacement Standard Points of Measurement for
Front Output Shaft and Related parts — Model WN-7-28
Fig.
Ref
Point of Measurement
Size and Fit
Wear Limits
No.
Letter
of New Parts
5-18
A
Outside diameter of rear bearing
2.8346
(*)
Diameter of bearing bore in housing
2.8346-2.8356
0.001
Fit of bearing in housing bore
0.0000L-0.0010L
(*)
5-18
B
Inside diameter of rear bearing
1.3780
(*)
5-18
C
Thickness of thrust washer
0.112-0.124
0.006
5-18
D
Inside diameter of high-speed gear
1.4060-1.4065
5-18
E
Diameter of output shaft
1.3785-1.3795
(*)
5-18
B-E
Fit of bearing on shaft
0.0005T-0.0015T
(*)
5-18
F
Diameter of output shaft
1.3985-1.4000
0.003
5-18
D-F
Fit of gear on shaft
0.006L-0.008L
5-18
H-G
Fit of gear to shaft and gear splines
0.004L-0.007L
0.011
5-18
J
Outside diameter of front bearing
2.8346
(*)
Diameter of bearing bore in housing
2.8346-2.8356
0.0008
Fit of bearing in housing bore
0.0000L-0.0010L
0.0018L
5-18
K
Inside diameter of front bearing
1.3780
(*)
5-18
L
Sliding gear to input low
5-17
F
speed gear (backlash)
0.008L-0.011L
0.017L
5-18
L
Sliding gear to reverse
5-16
D
gear (backlash)
0.008L-0.011L
0.017L
5-18
M
Diameter of shaft
1.3785-1.3795
(*)
5-18
K-M
Fit of bearing on shaft
0.005T-0.0015T
(*)
5-18
N
High-speed gear to input
5-17
G
gear (backlash)
0.0066-0.009L
0.018L
5-18
O-H
Fit of gear splines to gear splines
0.004L-0.007L
5-10
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