TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
Page 144 of 336
TM 9-2520-238-34 REPLACE TRANSFER GEARCASE A, B, OR C WITH SERVICE SPARE TRANSFER GEARCASE E — Continued 0018 00 DISASSEMBLY C A U T I O N 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 1 - 8 apply to service spare transfer gearcase E only. Steps 1 - 3 apply to removing pulley for transfer gearcase C. When replacing gearcases A or B, start with Step 4. 1. 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. 2. Remove retaining ring (7) and two-grooved pulley (8) from retainer (3). Discard retaining ring. 3. Remove encased oil seal (9) from retainer (3). Discard oil seal. 0018 00-2 Lifting or moving objects in excess of 70 pounds could injure you. Make sure to get an assistant or use a lifting device to move heavy objects. C A U T I Take care to prevent damage to machined surfaces, gears, bearings, and other components during maintenance activities. O WARNING N