TM 9-2350-247-34
REPAIR WINCH TRANSFER GEARCASE (M548A1) — Continued
0044 00
INSPECTION-ACCEPTANCE AND REJECTION CRITERIA
1.
Check parts shown in figure below that have reference letters.
2.
Check the parts dimensions with chart below to determine replacement.
Table 1. WINCH TRANSFER GEARCASE
Wear Limits
Reference
Letter
Point of Measurement
New Part Size/Fit
Field
Depot
A
Inside diameter of output gear bearing cover bore
3.7387 to 3.7393
**
3.7394
B
Outside diameter of output gear cover bearing
3.7396 to 3.7402
**
*
A-B
Fit of output gear cover bearing to cover bore
0.0003T to 0.0015T
**
*
C
Inside diameter of output gear (cover bearing side)
2.3616 to 2.3622
**
*
D
Outside diameter of output gear (cover bearing side)
2.3610 to 2.3616
**
2.3608
C-D
Fit of output gear cover bearing to output gear
0.0000 to 0.0012L
0.0018L
*
E
Outside diameter of output gear (housing bearing side)
1.5738 to 1.5743
**
1.5736
F
Outside diameter of output gear housing bearing
2.6767 to 2.6772
**
*
G
Inside diameter of output gear housing bearing
1.5743 to 1.5748
**
*
E-G
Fit of output gear to output gear housing bearing
0.0000 to 0.0010L
0.0015L
*
H
Inside diameter of output gear housing bore
2.6759 to 2.6764
**
*
F-H
Fit of output gear housing bearing to housing bore
0.0003T to 0.0013T
**
*
J
Inside diameter of input gear bearing housing bore
2.6759 to 2.6764
**
2.6765
K
Inside diameter of input gear housing bearing
1.5743 to 1.5748
**
*
L
Outside diameter of input gear housing bearing
2.6767 to 2.6772
**
*
J-L
Fit of input gear housing bearing to housing bore
0.0003T to 0.0013T
**
*
M
Outside diameter of input gear (housing bearing side)
1.5738 to 1.5743
*
1.5736
K-M
Fit of input gear housing bearing to input gear
0.0000 to 0.0010L
0.0015L
*
N
Outside diameter of input gear (cover bearing side)
1.5738 to 1.5743
*
1.5736
P
Inside diameter of input gear cover bearing
1.5743 to 1.5748
**
*
N-P
Fit of input gear to input gear cover bearing
0.0000 to 0.0010L
0.0015L
*
Q
Outside diameter of input gear cover bearing
2.6767 to 2.6772
**
*
R
Inside diameter of input gear bearing cover bore
2.6759 to 2.6764
**
2.6765
Q-R
Fit of input gear cover bearing to cover
0.0003T to 0.0013T
**
*
* Must be within new part dimensions.
** Wear is allowed on either or both mating parts within the specified fit limits.
0044 00-4
