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TM 9-2520-246-34
Table 4-6. Repair and Replacement Standard Points of Measurement for Transfer and Bearings.
Fig.
Ref
Size and Fit
Points of Measurement
Wear Limits
Letter
No.
of New Parts
B
Cover bore
4.3300-4.3309
4.3316
C
Bearing outside diameter
4.3301-4.3307
(*)
4-48
C-B
Fit of bearing in bore
0.0008L-0.0007T
0.0015L
Case bore
3.9363-3.9372
A
3.9379
Bearing outside diameter
3.9364-3.9370
R
(*)
Fit of bearing in bore
0.0007T-0.0008L
0.0015L
4-48
R-A
Cover bore
3.9980-3.9990
4.000
B
Bearing cup outside diameter
4.0004.001
D
(*)
Fit of cup in bore
0.003T-0.001T
4-48
0.000T
D-B
Case bore
3.995-4.005
4.0010
A
Bearing cup outside diameter
4.0004.0010
M
(*)
Fit of cup in bore
0.005L-0.0015T
0.0010L
M-A
Cover bore
4.4355-4.4365
4.4375
B
Bearing cup outside diameter
4.4375-4.4385
G
(*)
Fit of cup in bore
0.0010T-0.0030T
0.000T
G-B
4-48
Case bore
3.8750-3.8760
3.8765
A
Bearing cup outside diameter
3.8750-3.8760
K
(*)
Fit of cup in bore
0.0010T-0.0010L
0.0015L
K-A
4-48
Case bore
i.000-l.0012
1.0020
A
Shifter shaft outside diameter
0.9949-0.0061
P
0.9941
Fit of shaft in bore
0.0039L-0.0063L
4-48
P-A
0.0070L
B
Cover bore
1.000-1.0012
1.0020
Shifter shaft outside diameter
0.9949-0.9961
0.9941
P
Fit of shaft in bore
0.0039L-0.0063L
0.0070L
P-B
4-48
Case bore
1.2480-1.2496
A
1.2520
Plug and oil seal outside diameter
1.2540-1.2580
(*)
Q
Fit of plug in bore
Q-A
4-48
0.0024T-0.0100T
0.0020T
Case bore
0.7461-0.7472
0.7480
A
0.7500-0.7510
Dowel pin outside diameter
J
(*)
Fit of pin in bore
J-A
0.0028T-0.0049T
0.0020T
4-48
Bearing cone bore
2.0000-2.0005
E
(*)
Idler shaft outside diameter
F
2.0010-2.0015
2.0005
Fit of bearing on shaft
E-F
0.0005T-0.0015T
0.000T
Bearing bore
N
2.000-2.0005
(*)
Idler shaft outside diameter
F
2.0015-2.0010
2.0005
Fit of bearing on shaft
4-48
N-F
0.0005T-0.0015T
0.000T
L
Bearing bore
1.7500-1.7505
(*)
Rear output shaft outside diameter
H
1.7515-1.7510
1.7505
Fit of bearing on shaft
L-H
0.0005T-0.0015T
0.000T
4-35
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