TM 5-3810-307-24-1-1
(1)
Install elbow (24) in cover (14).
(2)
Install rings (23) on collar (22).
(3)
Position collar (22) and bushing (21) in cover (14), and secure with snap ring (20).
(4)
Install o-ring (19) on guide (18), position guide (18) in cover (14), and secure with snap ring (17).
(5)
Install piston (16) in cover (14) so that shaft of piston passes through guide (18) and contacts collar
(22).
(6)
Install diaphragm (15) in brake chamber cylinder (13), carefully position cover (14) on brake
chamber cylinder (13) as marked during removal, and secure together with clamp halves (12),
capscrews (11), and nuts (10).
(7)
Install hose (8) on brake chamber cylinder (13) and elbow (24), ensuring hose passes through hole
in cylinder flange, and secure both ends with clamps (7).
Installation
a.
If removed, install new o-rings (6, Figure 2-4-8), washers (5), adapters (4), and connectors (3) in brake
chamber assembly (2).
b.
If necessary, cage parking brake spring on brake chamber assembly (2) by backing spring brake release
bolt (9) out of brake chamber cylinder (13) to a minimum length of 3.08 in. (78 mm) as measured from back of
chamber body to top of bolt head.
c.
If removed, screw counter nut (1) onto brake chamber assembly (2) with castellations toward brake
chamber body. Screw nut on as far as it will go.
d.
Apply LOCTITE 565 to threads of brake chamber assembly (2). The screw brake chamber assembly (2)
into brake expander housing until it bottoms.
e.
Back out brake chamber assembly (2) no more than 1 turn to correctly orient air connections as shown in
f.
Screw counter nut (1) down to brake expander housing and torque nut to 105-135 lbs-ft (142-183 Nm).
g.
Tension spring (to set parking brake) in brake chamber assembly (2) by turning spring release bolt (9) into
brake chamber cylinder (13) to a maximum dimension of 1.02 in. (26 mm) from back of chamber body to top of
bolt head.
h.
Connect air lines to connectors (3) and remove tags.
2-4-34
