TM 9-2330-213-14&P
4-33. SERVICE BRAKE ASSEMBLY MAINTENANCE (M103A1, M105A1, AND M107A1).
This Task Covers:
Major Adjustment
a. Disassembly
d.
Minor Adjustment
b. Cleaning and Inspection
e.
c. Assembly
Initial Setup:
Materials/Parts:
Equipment Conditions:
Dry cleaning solvent (Item 6, Appendix E)
Axie hydraulic lines disconnected from backing
Two cotter pins
Tools/Test Equipment:
General mechanic's tool kit
Floor jack
Jackstand
DISASSEMBLY
a.
WARNING
DO NOT handle brakeshoes, brakedrums, or other brake components unless area
has been properly cleaned. There may be asbestos dust on these components
which can be dangerous if you touch it or breathe It. Wear an approved filter mask
and gloves. Never use compressed air or a dry brush to clean brake components.
Dust may be removed using an industrial-type vacuum cleaner. Clean dust or mud
away from brake components with water and a wet, soft brush or cloth. Failure to
follow this warning may result in serious illness or death to personnel.
NOTE
if replacing brakeshoes (10 and 23) only, perform steps 1 through 7.
1.
Disconnect handbrake cable (15) from brake lever (11).
Remove cotter pin (14), nut (13), flatwasher (12), shoulder bolt (9), and brake lever (11) from
2.
brakeshoe (10). Discard cotter pin.
Remove cotter pin (16), nut (17), flatwasher (18), shoulder bolt (6), and strut (7) from brakeshoe (23).
3.
Discard cotter pin.
Remove return spring (8) from brakeshoes (10 and 23).
4.
Remove two slotted washers (19) and flatwashers (20) from brakeshoes (10 and 23) and anchor pins
5.
(27) .
Remove four lockpins (21) and flatwashers (22) from guide pins (2).
6.
Remove brakeshoes (10 and 23) from backing plate (3).
7.
Remove two flatwashers (24) and flatwashers (25) from anchor pins (27).
8.
Remove four flatwashers (5) and springs (4) from guide pins (2).
9.