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TM 9-2320-364-20-2
2-1832
11. SERVICE BRAKES ON AXLE NO. 3 DO NOT RELEASE (CONT).
3.
Does service relay valve No. 2
release air from air line 2546?
Replace service
relay valve No. 2
(Para 12-14).
Verify repair, go to
Step 6 of this Fault.
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
faulty.
Air chambers faulty.
Brakes faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Service relay valve No. 2 test.
If service relay valve No. 2 fails
closed, Axle No. 3 brakes will
not release.
WARNING
YES
Read WARNING
on Page 2-1833
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