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TM 9-2320-364-20-2
2-1746
1. PARKING BRAKES ON AXLES NO. 3 THROUGH NO. 5 DO NOT RELEASE (CONT).
Air lines and fittings OK.
Spring brake valve not leaking.
Dash manifold valve faulty.
Spring brake valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Dash manifold valve test.
YES
NO
Replace dash
manifold valve
(Para 12-37).
Verify repair, go to
Step 5 of this Fault.
3.
Does the dash manifold valve
operate correctly?
If the dash manifold valve fails
closed, air pressure will not be
available to release the parking
brakes.
WARNING
Read WARNING
on Page 2-1747
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