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 108 of 153

TM 9-2520-246-34

Figure 5-17. Repair and Replacement Standard Points of Measurement

for Input Gear and Related Parts.

Table 5-2. Repair and Replacement Standard Points Of Measurement for Input Gear and Related Parts

Fig.

Ref

Point of Measurement

Size and Fit

Wear Limits

No.

Letter

of New Parts

5-17

A

Diameter of shaft

0.7495-0.7500

0.003

5-17

B

Thickness of thrust washer

0.061-0.063

See note ¢

5-17

C

Inside diameter of bearing

0.7500

(*)

5-17

A-C

Fit of bearing on shaft

0.0000L-.0005L

0.004L

5-17

D

Outside diameter of bearing

1.250

(*)

5-17

E

Inside diameter of gear

1.250-1.251

0.007

5-17

D-E

Fit of bearing in gear

0.000L-.0001L

.004L

5-17

F

input low gear to output

5-18

L

sliding gear (backlash)

0.008L-0.011L

0.0172

5-17

G

Input gear to output high-speed

5-18

N

gear (backlash)

0.006L-.009L

0.018L

5-17

G

Input gear to reverse gear

5-16

C

(backlash)

0.006L-.009L

.016L

5-17

H

Diameter of outer end of shaft

0.7510-.7515

See note #

(¢) Replace when bronze facing is partially or entirely worn off.

(#) Press fit of case.

5-9