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 69 of 418
TM 9-2520-246-34-1
2-8.
WEAR LIMIT INSPECTION. The following paragraphs give instructions for
checking the minimum and maximum wear limits for each subassembly to which a part
or parts may be worn before a new part is needed.
a.
Input Shaft Assembly.
FRAME 1
1.
Measure
2.
Measure
3.
Measure
4.
Measure
NOTE
Readings must be within limits given in table 2-3. If
readings are not within given limits, throw away part
and get a new one.
bearing inside diameter (1) and out side diameter (2).
bearing journal diameter (3).
pilot diameter (4).
width of splines (5).
GO TO FRAME 2
Table 2-3.
Input Shaft Assembly Wear Limits
Index Number
1
2
3
4
5
Item/Point of Measurement
Bearing inside diameter
Bearing outside diameter
Bearing journal diameter
Pilot diameter
Spline width
Size and Fit
of New Parts
(inches)
1.5748 to 1.5753
3.5427 to 3.5433
1.5748 to 1.5752
0.7465 to 0.7475
0.229 to 0.231
Wear Limit
(inches)
None
None
None
0.020
0.015
2-49
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