TM 9-2320-272-24-1
3-179. BRAKE MECHANISM CHECKS AND ADJUSTMENTS (FRONT AND REAR)
THIS TASK COVERS:
c. Mechanism Inspection
a. Brakeshoe Check and Adjustment
b. Checking Brakeshoe Wear
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-272-10
TM 9-2320-272-24P
SPECIAL TOOLS
Brakeshoe adjusting tool (Appendix E, Item 21)
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
TOOLS
Spring (emergency) brake caged (TM 9-2320-272-10)
General mechanic's tool kit (Appendix E, Item 1)
Front hub and drum removed (task c. only)
(para. 3-223 or 3-460).
PERSONNEL REQUIRED
Rear hub and drum removed (task c. only)
TWO
(para. 3-224 or 3-461).
1.
Remove two rubber inspection hole covers (1) from brakedrum dustcovers (4).
2.
Check brakeshoe lining (7) to brakedrum (6) clearance through inspection hole (5). Clearance should
be 0.020-0.040 in. (0.508-1.016 mm).
3.
Remove two rubber adjusting hole covers (2) from brakedrum dustcovers (4).
4.
Using brakeshoe adjusting tool through adjusting holes (3), rotate star wheel (8) until proper
clearance is obtained.
5.
Install two rubber inspection hole covers (1) and two rubber adjusting hole covers (2) on brakedrum
dustcovers (4).
3-498