TM 9-2330-213-14&P
4-34. SERVICE BRAKE ASSEMBLY MAINTENANCE (M103A3, M105A2, M105A2C, M107A2,
AND M107A2C).
This Task Covers:
a. Disassembly
c . Assembly
d. Adjustment
b. Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
Eighteen Iockwashers
Axle hydraulic lines disconnected from backing
Tools/Test Equipment:
General mechanic's tool kit
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 serlous illness or death.
NOTE
If replacing brakeshoes (8 and 18) only, perform steps 1 through 5.
Remove two springs (1) from pins (7, 19, 20, and 29).
1.
Disconnect handbrake cable (17) from brake lever (5).
2.
Remove two slotted washers (2), flatwashers (3), spring washers (4), brake lever (5), and link (6) from
3.
pins (7 and 20).
Remove screw (30), Iockwasher (31), flatwasher (32), sleeve (33), and brakeshoe (8) from backing
4.
plate (12). Discard lockwasher.
Remove nut (24), Iockwasher (23), flatwasher (22), sleeve (21), bolt (14), and brakeshoe (18) from
5.
backing plate (12). Discard lockwasher.
Remove 12 nuts (15), Iockwashers (16), bolts (26), cable ramp (25), two supports (11), and backing
6.
plate (12) from axle (13). Discard Iockwashers.
7.
Remove brake adjusting screw (28) and slack adjusting wheel (27) from each support (11).
Remove four nuts (10) and Iockwashers (9) from pins (7, 19, 20, and 29). Remove pins from brakeshoes
8.