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TM 9-2320-364-20-2
2-1744
Replace spring brake
valve (Para-12-18).
Verify repair, go to
Step 5 of this Fault.
1. PARKING BRAKES ON AXLES NO. 3 THROUGH NO. 5 DO NOT RELEASE (CONT).
Air lines and fittings OK.
Spring brake valve leaking.
Dash manifold valve faulty.
Spring brake valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Audible inspection.
YES
NO
2.
Is spring brake valve free of
leaks?
If spring brake valve is leaking,
the loss of air pressure will
prevent the brakes from
operating correctly.
WARNING
Read WARNING
on Page 2-1745
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