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 75 of 418
TM 9-2520-246-34-1
FRAME 5
NOTE
Readings must be within limits given in table 2-9. 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 fit of synchronizer (1) on sleeve splines (2).
2.
Measure fit of sleeve bore (3) on mainshaft journal (4).
3
0
Measure fit of second gear (5) on mainshaft journal (6).
4.
Measure fit of first-reverse gear (7) on mainshaft splines (8).
5.
Measure fit of bearing (9) on mainshaft splines (10).
END OF TASK
Table 2-9.
Mainshaft Second and First-Reverse Gear Fits and Tolerances
Index Number
1 and 2
3 and 4
5 and 6
7 and 8
9 and 10
Item/Point of Measurement
Fit of synchronizer on
sleeve splines
Fit of sleeve bore on main-
shaft journal
Fit of second gear on main-
shaft journal
Fit of first-reverse gear
on mainshaft splines
Fit of bearing on mainshaft
splines
Size and Fit
of New Parts
(inches)
0.004L to 0.007L
0.003T to 0.018T
0.0035L to 0.0045L
0.006L to 0.012L
0.0002L to 0.0002T
Wear Limit
(inches)
0.0106L
None
0.010L
0.016L
None
2-55
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