TM-9-2520-238-34
M113A1 FOV, M113A2 FOV, M548 AND M548A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34 - Page 126 of 319
TM 9-2520-238-34
REPAIR TRANSFER GEARCASES A, B, AND C — Continued
0017 00
W
Bore diameter of housing at bearing surface (output)
3.3414 to 3.3434
(*)(***)
X
Inside diameter of bore of input retainer at tapered bearing surface
3.3449 to 3.3459
(*)(***)
Y
Inside diameter of ball bearing and seal bore in input retainer…
2.4408 to 2.4413
(*)(***)
Z
Outside diameter of generator pulley hub at bearing surface
1.3779 to 1.3783
(*)(***)
AA
Outside diameter of generator pulley hub at oil seal surface
1.7480 to 1.7520
1.7460
BB
Inside diameter of pulley hub
1.0000 to 1.0020
(*)
BB-T
Fit of fan pulley hub on second intermediate gear hub
0.0010T to 0.0020L
(*)(***)
CC
Inside diameter of retaining bearing (input)
1.3775 to 1.3780
(*)(***)
CC-Z
Fit of input bearing to generator pulley hub
0.0000T to 0.0008T
DD
Outside diameter of retaining bearing (input)
2.4404 to 2.4409
(*)(***)
DD-Y
Fit of input bearing to retainer
0.0001T to 0.0009L
EE
Bearing cup outside diameter, input and output housing and retainers
3.3464 to 3.3474
(*)(***)
EE-F
Fit of input bearing cup to housing bore
0.0030T to 0.0060T
(*)
EE-W
Fit of output bearing cup to housing bore
0.0030T to 0.0060T
(*)
EE-X
Fit of input bearing cup to retainer bore
0.0005 to 0.0025T
(*)
FF
Bearing cup outside diameter, first and second intermediate housing
and retainers
3.5425 to 3.5435
(*)(***)
FF-G
Bearing cup to housing bore
0.0030T to 0.0060T
(*)
FF-O
Fit of second intermediate bearing cup to housing bore
0.0030T to 0.0060T
(*)
GG
Inside diameter of bore in first intermediate retainer at bearing
surface
3.5410 to 3.5420
(*)
GG-FF
Fit of first intermediate bearing cup to retainer bore
0.0005T to 0.0025T
(*)
HH
Inside diameter of bore in second intermediate retainer at bearing
surface
3.5410 to 3.5420
(*)(***)
HH-FF
Fit of second intermediate bearing cup to retainer bore
0.0005T to 0.0025T
(*)
II
Inside diameter of bore in output retainer at bearing surface
3.3449 to 3.3459
(*)(***)
II-EE
Fit of output bearing cup to retainer bore
0.0005T to 0.0025T
(*)
JJ
Inside diameter of seal bore in second intermediate retainer
2.1240 to 2.1260
(*)
* Must be within new parts dimensions.
** Measure only if there are visual signs of wear or damage.
*** Measure only if there is visual indication of bearing turning.
END OF TASK
0017 00-28
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