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 226 of 319
TM 9-2520-238-34
REPAIR DIFFERENTIAL STEERING CONTROL ASSEMBLY — Continued
0026 00
DISASSEMBLY
WARNING
Parts of the brake assembly may be coated with asbestos dust. Breathing this dust can harm
personnel. Use a filter mask approved for use against asbestos dust. Never use compressed air
or dry brush to clean these assemblies. Use an industrial type vacuum cleaner with a
high-efficiency filter system to remove dust. Use water and a soft bristle brush or cloth to
remove dirt or mud.
1.
Remove bearing thrust washer (1), brake drum hub (2) with brake drum (3) attached, and sleeve bearing (4) from splined
drive shaft on control flange assembly (5).
NOTE
If inspection indicates that brake drum hub or brake drum require replacement, do Step 2.
2.
Remove 10 cotter pins (6), slotted nuts (7), 20 washers (8), and 10 cap screws (9) securing brake drum hub (2) to brake
drum (3). Separate hub and drum. Discard cotter pins.
3.
Inspect 10 cap screws (9) to determine grade type. If screws are not grade 8 (six radial marks on screw heads), discard
screws.
0026 00-2
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