TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 60 of 153
TM 9-2520-246-34
Figure
3-50. Repair and Replacement Standard Points of Measurement for
Transmission Reverse Idler Gear and Shaft Assembly
Table 3-4. Repair and Replacement Standard Points of Measurement for
Transmission Reverse Idler Gear and Shaft Assembly
Fig.
Ref
Point of Measurement
Size and Fit
No.
Letter
Wear Limits
of New Parts
3-50
A
Outside diameter of shaft
1.010-1.015
.0015
3-50
B
Inside diameter of bearing
1.0155
(*)
3-50
A-B
Fit of bearing on shaft
.0005L-.0015L
(*)
3-50
C
Outside diameter of bearing
1.5000
(*)
3-50
D
Inside diameter of gear
1.5005-1.5015
.007
3-50
C-D
Fit of bearing in gear
.0005L-0.0015L
.010
3-50
E
Thickness of thrust washer
0.091-0.093
#
3-50
F
Reverse idler gear to countershaft
3-49
F
second-reverse gear (backlash)
0.006-0.012L
.016
3-50
G
Reverse idler gear to mainshaft
3-48
T
first-reverse gear (backlash)
0.008L-0.014L
.019
# Replace when bronze is partially or completely worn off.
3-25 (3-26 blank)
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