TM 5-3810-294-34
Table 1-4. Repair and Replacement Standards (Continued)
Manufacturing Dimensions
Maximum allowable
and tolerances inches
wear or clearance
Component
From
To
maximum
ENGINE TRANSMISSION:
Drive gear needle roller aide clearance.................. 0.000
0.001
0.001
Outside diameter pilot of mainshaft........................ .9839
.9835
.982
Inside diameter pilot of main drive ......................... 1.5478
1.5484
1.550
Outside diameter pilot of main drive....................... .9839
.9835
.981
Inside diameter mainshaft bearing bore-case ........ 3.5431
3.5441
3.546
Inside diameter main drive bearing bore-case ....... 3.9370
3.9379
3.940
Inside diameter countershaft front bearing
bore-case ....................................................... 2.8346
2.8355
2.838
Outside diameter of countershaft rear
bearing surface .............................................. 1.7500
1.7495
1.748
MAIN DRUMSHAFT ASSEMBLY
(FRONT AND REAR):
Shaft end play ..............................................0.003 0.005
Shaft bearing journal diameters (left to right) ......... 3.3765
3.3775
3.7407
3.7413
3.7407
3.7413
3.3765
3.3775
Rear axle pinion and gear backlash ....................... 0.005
0.015
0.010
STARTER MOTOR:
Commutator ....................................................... 1.690
1.700
1.621
Slots (Commutator) ................................................
0.033
Depth (Slot)
....................................................... 0.025
0.032
1-12
