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TM 9-2320-364-20-2
2-1864
14. SERVICE BRAKES ON AXLES NO. 1 AND NO. 2 DO NOT APPLY (CONT).
5.
Does air chamber operate
correctly?
YES
NO
Brakes on Axles No. 1 and
No. 2 fail to apply.
Air lines free of crimps or leaks
and fittings, valves and air
chambers free of leaks.
Brake treadle valve OK.
Service relay valve No. 1 OK.
Air chambers faulty.
Brakes faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Operation test.
If air chamber rod binds as it
travels out of chamber, it will
not permit brake to apply.
WARNING
6.
Are brake shoes and wedges
free of damage?
Replace brake shoes
and wedges
(Para 12-2).
Verify repair, go to
Step 7 of this Fault.
YES
NO
Brakes on Axles No. 1 and
No. 2 fail to operate.
Air lines free of crimps or leaks
and fittings, valves and air
chambers free of leaks.
Brake treadle valve OK.
Service relay valve No. 1 OK.
Air chambers OK.
Brakes faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If brake components faulty or
installed incorrectly, they will
not permit brakes to apply.
WARNING
Replace air chamber
(Para 12-9).
Verify repair, go to
Step 7 of this Fault.
Read WARNING
on Page 2-1865
Read WARNING
on Page 2-1865
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