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 132 of 319

TM 9-2520-238-34

REPLACE TRANSFER GEARCASE A, B, OR C WITH SERVICE SPARE TRANSFER

GEARCASE E — Continued

0018 00

CAUTION

Laminated shim and input bearing retainer are matched for bearing preload at initial assembly.

Retain shim and retainer with same gearcase. When replacing gearcase C, replace pulley

instead of retainer. Failure to comply may cause bearing failure.

NOTE

Steps 16 - 18 apply to unserviceable transfer gearcase C.

16. Straighten tabs on four key washers (1). Remove four cap screws (2), key washers, bearing retainer (3), packing (4), and

laminated shim (5) from housing cover (6). Retain retainer and laminated shim with gearcase. Discard key washers and

packing.

17. Remove retaining ring (7) and three-grooved pulley (8) from retainer (3). Discard retaining ring.

18. Remove encased oil seal (9) from retainer (3). Discard oil seal.

0018 00-6