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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
6.
Air tanks pressurized.
Visual inspection
Gladhands OK.
Is air present at delivery
REASON FOR QUESTION
Air hose 107 OK.
port of two-way check
Park control two-way check
valve?
No air at delivery port of
valve OK.
two-way check valve indicates
Air hose 103 OK.
a faulty two-way check valve.
Air hose 109 OK.
POSSIBLE PROBLEMS
Faulty
two-way check valve.
NO
Faulty
air hose.
Faulty
inversion valve.
Faulty
air hose 221.
Faulty
anti-compounding
valve.
Replace two-way check
YES
Faulty
air hose 231.
valve (para 11-16).
2-1888
Change 2
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