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TM 9-2320-356-BD
Procedural Steps:
NOTE
Each rear axle of a tandem or triple set has its
own quick-release valve.
Option 1:
Isolate Chamber.
1.
Remove the main air line to the brake chamber.
2.
Plug the main line if fittings are available.
3.
If no fittings are available,
kink the air line by doubling it over, and tie it
with wire.
4.
Check for leaks.
5.
Record the BDAR action taken.
When the mission is completed, as soon as
practicable, repair using standard maintenance procedures.
Option 2:
Plug Main Air Line.
1.
Cut the main air line.
2.
Use a bolt of equal or close diameter and screw it into the line. Lock-wire
the line in two places.
3.
Check for leaks.
4.
Record the BDAR action taken.
When the mission is completed, as soon as
practicable,
repair using standard maintenance procedures.
11-18. RELAY VALVE FAILURE
General Information:
The relay valve is controlled by the brake valve,
and speeds up application and
release of the rear wheel brakes for long wheelbase vehicles.
It reacts quickly to
slight changes in air pressure from the brake valve.
Repair can be done only by
replacement with a serviceable valve.
11-19.
SLACK ADJUSTER DAMAGE OR FAILURE
General Information:
Slack adjusters function as adjustable levers and provide a means of adjusting the
brakes to compensate for wear of linings. During brake operation, the entire slack
adjuster rotates with the brake camshaft, which is connected to the slack adjuster
through the splined central hole. For brake adjustment, the worm moves the gear,
changing the position of the lever arm with respect to the camshaft. Repair can be
done only by replacement with a serviceable adjuster.
11-15
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