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 TM 9-2520-246-34-1
FRAME 2
NOTE
Readings must be within limits given in table 2-4. The
letter L indicates a loose fit and the letter T indicates
a tight fit. If readings are not within given limits,
throw away part and get a new one.
1.
Measure input shaft pilot bearing bore (1).
2.
Measure diameter of 14 pilot roller bearings (2).
Measure fit of bearing (3) on bearing journal (4).
3.
END OF TASK
Table 2-4.
Input Shaft Assembly Fits and Tolerances
Size and Fit
Wear Limit
of New Parts
Index Number
(inches)
Item/Point of Measurement
(inches)
1
1.7193 to 1.7198
Input shaft pilot bearing bore
0.0008
2
0.3123 to 0.3127
0.0006
Roller bearing diameter
Fit of bearing on shaft
3 and 4
0.005L to 0.0004T
None
2-50
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