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Page Title:
PARKING BRAKE DOES NOT RELEASE (CONT) |
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 TM 9-2320-366-20-2
i3. PARKING BRAKE DOES NOT RELEASE (CONT)
KNOWN INFO
TEST OPTIONS
7.
Air tanks pressurized.
Visual Inspection
Gladhands OK.
Is air present at supply
REASON FOR QUESTION
Air hose 107 OK.
port of inversion valve?
Park control two-way check
Inversion valve cannot be
valve OK.
tested if no air is present at
Air hose 103 OK.
supply port.
Air hose 109 OK.
Two-way check valve OK.
POSSIBLE PROBLEMS
NO
Faulty
air hose.
Faulty
inversion valve.
Faulty
air hose 221.
Faulty
anti-compounding valve.
Replace air hose
YES
Faulty
air hose 231.
(para 11-21).
2-1890
Change 2
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