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 107 of 153

TM 9-2520-246-34

Figure 5-16. Repair and Replacement Standard Points of Measurement

for Reverse Gear and Related Parts.

Table 5-1. Repair and Replacement Standard Points of Measurement for Reverse Gear and Related Parts.

Fig.

Ref

Point of Measurement

Size and Fit

Wear Limits

No.

Letter

of New Parts

5-16

A

Inside diameter of bearing

1.2510-1.2520

.001

5-16

B

Outside diameter of shaft

1.2495-1.2505

.003

5-16

A-B

Fit of bearing on shaft

0.0005L-0.0025L

.004

5-16

C

Reverse gear to input drive

5-17

G

gear (backlash)

.006L-.009L

.016L

5-16

D

Reverse gear to output sliding

5-18

L

gear (backlash)

.008L-.011L

.018L

5-16

E

Thickness of thrust washer (a)

.061-.063

(*)

5-16

F

Inside diameter of reverse gear

1.252-1.253

(*)

5-16

B-F

Fit of gear on shaft

.0015L-.0035L

.0055L

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

5-8