TM 5-3820-239-15
Table 4-1. Repair and Replacement Standards--Continued
Manufacturer's
Maximum
dimensions
allowable weart
and tolerances
Desired clearance
in inches
and clearance
Component
Minimum
Maximum
Minimum
Maximum
Ring gear and hub assembly, inner
0.003T
3.498
3.499
0.001T
0.001
bearing ID
0.003T
Ring gear and hub assembly, outer
0.001T
3.123
3.124
0.001
bearing OD
0.0025T
Shaft and spacer housing, inner bear-
0.0005T
2.7155
2.7165
0.0010
ing bore ID
0.0001T
1.9996
2.0001
0.0009L
Shaft and spacer housing, inner ring
0.005
gear bearing OD
0.0000T
1.6245
1.6250
0.0010L
Shaft
and spacer housing, outer ring
0.0005
gear
bearing OD
Track
idler bushing retainer ID
1.499
0.004L
0.008L
1.496
0.003
Track
idler bushing retainer OD
0.005T
2.376
2.378
0.001T
0.002
Track
idler hub ID
0.005T
2.373
2.375
0.001T
0.002
Track
idler shaft, bushing OD
1.492
0.004L
1.491
0.008L
0.001
Track
idler shaft, support OD
0.0005L
1.1250
1.1255
0.0030L
0.0005
Track
idler support, shaft ID
1.128
0.0005L
1.126
0.0030L
0.002
Track
roller bushing ID
1.4975
0.0270L
0.0405L
1.4940
0.0035
Track
roller bushing retainer OD
2.379
0.006T
0.001T
2.376
0.003
Track
roller shaft OD
0.0270L
1.467
0.0405L
0.010
1.457
L denotes loose (clearance) fit.
4-4