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TM 9-2320-364-20-2
2-1834
11. SERVICE BRAKES ON AXLE NO. 3 DO NOT RELEASE (CONT).
4.
Does air chamber rod operate
correctly?
Replace air chamber
(Para 12-10).
Verify repair, go to
Step 6 of this Fault.
YES
NO
All service brakes on Axles
No. 4 and No. 5 operate
correctly.
One set of brakes on Axle
No. 3 fail to release.
Air lines OK.
Service relay valve No. 2
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 release.
WARNING
5.
Are the brake shoes and/or
wedges free of damage?
Replace brake shoes
and/or wedges
(Para 12-2).
Verify repair, go to
Step 6 of this Fault.
YES
NO
All service brakes on Axles
No. 4 and No. 5 operate
correctly.
One set of brakes on Axle
No. 3 fail to release.
Air lines OK.
Service relay valve No. 2
OK.
Air chambers OK.
Brakes faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If brake components are faulty,
they will prevent brakes from
releasing.
WARNING
Read WARNING
on Page 2-1835
Read WARNING
on Page 2-1835
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