TM 9-2320-289-20
7-9.
FRONT BRAKE LINES AND COMBINATION VALVE REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Materials/Parts
General Safety Instructions
• Four copper washers
• Always wear goggles when working on
• Two locknuts
underside of truck and disconnecting
brake lines.
1.
2.
3.
4.
WARNING
Always wear goggles when bleeding brakes.
may result in serious eye injury.
CAUTION
Failure to follow this warning
Plug all openings and connections immediately after disconnection to
prevent contamination of brake system.
NOTE
• Use suitable container to catch brake fluid.
• If removing combination valve (20), perform steps 3-6.
Disconnect brake pipes (2 and 3)
from master cylinder (1).
Remove screw (15) and clip (26)
from brake pipes (2 and 3). Remove
retainer (4) as required.
Loosen brake pipes (2 and 3) at
combination valve (20). Remove 2
locknuts (21) and bolts (23), and pull
combination
valve
away
from
crossmember. Discard locknuts.
Disconnect brake pipes (2 and 3)
from combination valve (20), Inspect
fittings for damage and replace as
required.
TA49673
7-24
