TM 9-2330-213-14&P
4-34. SERVICE BRAKE ASSEMBLY MAINTENANCE (M103A3, M105A2, M105A2C, M107A2,
AND M107A2C) (Con't).
Inspect brakeshoe linings (34) for cracks.
3.
Brakeshoe linings should have a minimum
in. (3.2 mm). Replace
thickness of
brakeshoes if cracked or if lining thickness is
in. (3.2 mm).
less than
Measure rivets (35) for 1/16 in. (1.6 mm) depth
4.
b e l o w brakeshoe lining (34). Replace
brakeshoe if depth of rivets is not at least 1/16 in.
(1.6 mm) below brakeshoe lining.
NOTE
If replacing brakeshoes (8 and 18) only, perform steps 4 through 9.
Install pins (7, 19, 20, and 29) on brakeshoes (8 and 18) with four new Iockwashers (9) and nuts (10).
1.
Install slack adjusting wheel (27) and brake adjusting screw (28) on each support (11).
2.
Position backing plate (12), two supports (11), and cable ramp (25) on axle (13) and install 12 bolts (26),
3.
new Iockwashers (16), and nuts (15),
Position brakeshoe (18) on backing plate (12) and install bolt (14), sleeve (21), flatwasher (22), new
4.
Iockwasher (23), and nut (24).
Position brakeshoe (8) on backing plate (12) and install sleeve (33), flatwasher (32), new lockwasher
5.
(31), and screw (30).
Install link (6) on pin (20). install brake lever (5) on pin (7). Pin on brake lever must engage slot in link.
6.
install two spring washers (4), flatwashers (3), and slotted washers (2) on pins (7 and 20).
7.
Install two springs (1) on pins (7, 19, 20, and 29).
8.
Connect handbrake cable (17) to brake lever (5).
9.
10.
if disconnected, connect axle hydraulic lines to backing plate (para 4-37).
11.
TA505277
4-50