TM 9-2320-289-20
7-9.
FRONT BRAKE LINES AND COMBINATION VALVE REPLACEMENT (Con’t).
2.
3.
4.
5.
6.
7.
8.
9.
Connect caliper flex hose (10) to caliper (12) with 2 new copper washers (11) and bolt (13).
Connect caliper flex hose to brake pipe (16) through bracket (9) and install clip (14). Install
clip (17) on brake pipe and install screw (18).
Position brake pipe (19) on frame and frame crossmember. Install 2 clips (25) on brake pipe
and install 2 screws (24). Repeat step 2, as required, to connect brake pipe to right side
caliper flex hose (10).
From underneath truck, connect brake pipes (22, 16, and 19) to combination valve (20),
Connect electrical lead to combination valve (20).
Connect brake pipes (2 and 3) to combination valve (20). DO NOT fully tighten pipes at this
time.
Install combination valve (20) on frame crossmember with 2 bolts (23) and new locknuts (21).
Tighten brake pipes (2 and 3) at combination valve.
Install retainer (4) on brake pipes (2
and 3) if removed. Install clip (26) on
brake pipes and install screw (15).
Connect brake pipes (2 and 3) to
master cylinder (1).
FOLLOW-ON TASKS:
• Bleed brake system. (See paragraph 7-6)
• Check operation of brakes.
TA49676
7-27
