TM 9-2320-260-34-2
16-25. HOIST BEVEL GEARCASE REPAIR (M816) (Contd)
1. For general repair instructions, refer to para. 2-10.
2. For testing and replacement of ring support assembly (25), refer to para. 16-27.
Table 16-14. Hoist Bevel Gearcase Wear Limits.
WEAR LIMITS/TOLERANCES
ITEM
ITEM/POINT OF MEASUREMENT
NO.
INCHES
MILLIMETERS
Input shaft front and rear bearing journals
1
40.01
1.575
minimum
Front and rear bearings
4,19
39.29
1.547
Inner diameter - maximum
79.98
3.149
Outer diameter - minimum
12
Gearcase housing-front and rear bearing bores -
80.01
3.150
maximum
Housing
21
72.01
2.835
Upper bearing bore - maximum
80.01
3.150
Lower bearing bore - maximum
Lower bearing
22
39.98
1.574
Inner diameter - maximum
72.01
2.835
Outer diameter - minimum
Driveshaft
23
35.03
1.379
Upper bearing journal - minimum
40.01
1.575
Lower bearing journal - minimum
Upper bearing
24
34.93
1.375
Inner diameter - maximum
71.98
2.834
Outer diameter - minimum
16-149
