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 238 of 418
TM 9-2520-246-34-1
FRAME 10
NOTE
Readings must be within limits given in table 2-57.
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 outside diameter of oil seal (1).
2.
Measure rear bearing retainer bore (2).
3.
Measure dowel pin bore (3).
4.
Measure fit of oil seal (1) in rear bearing retainer bore (2).
5.
Measure fit of dowel pin (4) in dowel pin bore (3).
END OF TASK
Table 2-57.
Rear Bearing Retainer Wear Limits
Size and Fit
Item
of New Parts
Number
Item/Point of Measurement
(inches)
1
Oil seal outside diameter
3.3524 to 3.3563
2
Rear bearing retainer bore
3.3465 to 3.3485
3
Dowel pin bore
0.7510 to 0.7530
1 and 2
Fit of oil seal in retainer bore
0.0038T to 0.0098T
3 and 4
Fit of dowel pin in bore
0.0000T to 0.0020L
Wear Limit
(inches)
None
3.3495
0.7530
0.0025T
0.0025L
2-218
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