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

  TM-9-2520-246-34 - Page 77 of 153

TM 9-2520-246-34
Table 4-2. Repair and Replacement Standard Points of Measurement for Transfer and Bearings
Fig.
Ref
Point of Measurement
Size and Fit
No.
Letter
Wear Limits
of New Parts
4-23
A
Shifter shaft housing bore
0.9995-1.0015
1.0022
4-23
B
Shifter shaft outside diameter
0.9945-0.9955
0.9938
4-23
A-B
Fit of shifter shaft in bore
0.007L-0.004L
0.0077L
4-23
C
Shifter shaft housing bore (rear)
1.247-1.249
1.2514
4-23
D
Expansion plug outside diameter
1.256-1.260
(*)
4-23
C-D
Fit of plug in shifter shaft
housing bore
0.007T-0.013T
0.0046T
4-25
E
Input shaft cover bore (front)
4.3305-4.3315
4.3320
4-23
F
Input shaft housing bore (rear)
3.9368-3.9378
3.9382
4-23
G
Bearing outside diameter
4.3301-4.3307
(*)
4-23
H
Bearing outside diameter
3.9364-3.9370
(*)
4-23
E-G
Fit of bearing in input shaft bore (front)
0.0014L-0.0002T
0.0019L
4-23
F-H
Fit of bearing in input shaft bore (rear)
0.0014L-0.0002T
0.0018L
4-23
J
Countershaft cover bore (front)
3.998-3.999
4.00
4-23
K
Bearing outside diameter
4.000-4.001
(*)
4-23
J-K
Fit of bearing in countershaft
cover bore (front)
0.001T-0.003T
0.000T
4-23
L
Countershaft housing bore (rear)
4.000-4.001
4.0012
4-23
K-L
Fit of bearing in countershaft
housing bore (rear)
0.001L-0.0010T
0.0012L
4-23
M
Bearing bore
2.000-2.005
(*)
4-23
N
Countershaft outside diameter
2.0010-2.0015
2.0005
4-23
M-N
Fit of bearings on countershaft
(each end)
0.0005T-0.0015T
0.000T
4-23
Front axle output shaft cover bore
4.4355-4.4365
4.4375
4-23
Q
Bearing outside diameter
4.4375-4.4385
(*)
4-23
P-Q
Fit of bearing in front axle shaft cover
bore
0.0010T-0.0030T
0.000T
4-23
R
Rear output shaft housing bore
3.8750-3.8760
3.8765
4-23
S
Bearing outside diameter
3.8750-3.8760
(*)
4-23
R-S
Fit of bearing in rear output shaft
housing bore
0.0010T-0.0010L
0.0015L
4-23
T
Dowel pin case bore
0.748-0.749
0.7498
4-23
U
Dowel pin outside diameter
0.7501-0.7503
(*)
4-23
T-U
Fit of dowel pin in case bore
0.011T-0.0023T
0.0003T
P
4-16


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