TM-9-2520-238-34

M113A1 FOV, M113A2 FOV, M548 AND M548A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE

TM-9-2520-238-34 - Page 252 of 319

TM 9-2520-238-34

REPAIR DIFFERENTIAL RIGHT ANGLE GEARBOX — Continued

0028 00

NOTE

If both tapered roller bearings were removed in page 0028 00-2, do Steps 5 - 8.

To aid in installation of bearings, heat housing to 250

-300

F (121

-149

C) and freeze bearing

cups.

5.

Install cup (1) of inner roller bearing in bearing housing (2). Use remover and replacer (WP 0034 00, Item 24) and

bearing inserter.

6.

Insert shaft of bevel gear (3) into bearing housing (2).

7.

Heat cone (4) of inner bearing and cone (5) of outer bearing to 240

-260

F (116

-127

C). Install cones in bearing

housing (2). Use remover and replacer (WP 0033 00, Item 24) and bearing inserter.

8.

Install cup (6) of outer bearing in bearing housing (2). Use remover and replacer (WP 0033 00, Item 24) and bearing

inserter.

0028 00-10