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Page Title:
WEAR LIMIT INSPECTION (MODEL T-136-21) |
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 TM 9-2520-246-34-1
2-19. WEAR LIMIT INSPECTION (MODEL T-136-21). The following paragraphs give
the minimum and maximum wear limits for each subassembly to which a part or parts
may be worn before a new part is needed.
Front Output Shaft Assembly.
a.
FRAME 1
NOTE
Readings must be within limits given in table 2-38. If read-
ings are not within given limits, throw away part and get a
new one.
1.
Measure front output shaft diameter (1) and diameter (2).
2.
Measure width of key (3).
Measure width of front output shaft keyway (4).
3.
4.
Measure inner race outside diameter (5) and inside diameter (6).
5.
Measure width of inner race keyway (7).
Measure rear output shaft bore (8).
6.
GO TO FRAME 2
Table 2-38. Front Output Shaft Wear Limits
Size and Fit
of New Parts
Wear Limit
(inches)
(inches)
Item/Point of Measurement
Index Number
1.8096 to 1.8106
1.8087
Output shaft inside diameter
1
2.0028 to 2.0036
2.0023
Output shaft outside diameter
2
None
3
0.3750 to 0.3760
Key width
None
4
0.3736 to 0.3756
Output shaft keyway width
5
3.0875 to 3.0885
3.0865
Inner race outside diameter
2.0028 to 2.0040
2.0045
Inner race bore
6
0.3740 to 0.3760
0.3780
7
Inner race keyway width
1.8126 to 1.8136
1.8142
Rear output shaft bore
8
2-198
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