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 74 of 418
TM 9-2520-246-34-1
FRAME 4
NOTE
2.
1.
3.
4.
5.
Readings must be within limits given in table 2-8. 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.
Measure fit of
Measure fit of
Measure fit of
Measure fit of
Measure fit of
internal gear (1) on synchronizer (2).
synchronizer (2) on mainshaft splines (3).
fifth gear (4) on sleeve (5).
sleeve bore (6) on mainshaft splines (3).
third gear (7) on mainshaft journal (8).
GO TO FRAME 5
Table 2-8. Mainshaft Fifth and Third Gear Fits and Tolerances
Index Number
1 and 2
2 and 3
4 and 5
6 and 3
7 and 8
Item/Point of Measurement
Fit of internal gear on
synchronizer
Fit of synchronizer on main-
shaft splines
Fit of fifth gear on sleeve
Fit of sleeve bore on main-
shaft splines
Fit of third gear on main-
shaft journal
Size and Fit
of New Parts
(inches)
0.004 to 0.009
0.0041 to 0.0076
0.004L to 0.005L
0.000 to 0.001T
0.0035L to 0.0045L
Wear Limit
(inches)
0.018
0.010L
0.008L
None
0.010L
2-54
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