TM 9-2320-260-34-1
8-6. TRANSMISSION MAINTENANCE (Contd)
8. Inspect gears (6), (7), (8), (9), (10), and (11) for wear. Refer to table 8-5, Wear Limits, for
measurements. Replace gear (6), (7), (8), (9), (10), or (11) if worn past limits.
WEAR LIMITS/TOLERANCES
ITEM
ITEM/POINT OF MEASUREMENT
NO.
INCHES
MILLIMETERS
6
Countershaft drive gear
Inside diameter
2.3745-2.3755
60.3123-60.3377
Outside diameter
209.6670-209.9310
8.255-8.265
7
Countershaft fourth gear
Inside diameter
2.6215-2.6225
66.5861-66.6151
Outside diameter
8.967-8.977
227.7618-228.0158
8
Countershaft third gear
Inside diameter
2.6245-2.6255
66.6623-66.6877
Outside diameter
165.2966-163.5506
6.429-6.439
9
Countershaft second gear
Inside diameter
2.6295-2.6305
66.7893-66.8147
Outside diameter
116.8146-117.0686
4.599-4.609
10
Output shaft outside diameter
139.0650-139.3190
5.475-5.485
11
Reverse idler gear
Inside diameter (bearing journals)
2.0005-2.0015
50.8127-50.8381
Outside diameter (large gear)
114.9350-115.1890
4.525-4.535
Outside diameter (small gear)
3.652-3.662
92.7608-93.0148
8-27
