TM-9-2520-246-34-1
TRANSMISSION MODEL 3053A; TRANSMISSION TRANSFERS MODEL T-136-21 AND MODEL T-136-27; POWER TAKEOFFS MODEL WN-7-28, MODEL WND-7-28 AND MODEL P-136-C
TECHNICAL MANUAL; MAINTENANCE, DIRECT SUPPORT AND GENERAL SUPPORT LEVEL
JANUARY 1981
TM-9-2520-246-34-1 - Page 70 of 418
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).
3.
Measure fit of bearing (3) on bearing journal (4).
END OF TASK
Table 2-4.
Input Shaft Assembly Fits and Tolerances
Index Number
1
2
3 and 4
Item/Point of Measurement
Input shaft pilot bearing bore
Roller bearing diameter
Fit of bearing on shaft
Size and Fit
of New Parts
(inches)
1.7193 to 1.7198
0.3123 to 0.3127
0.005L to 0.0004T
Wear Limit
(inches)
0.0008
0.0006
None
2-50
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