KNOWN INFO
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
i3. PARKING BRAKE DOES NOT RELEASE (CONT)
Is air present at inversion
valve delivery port?
Leaking inversion valve may
cause rapid loss of system air
pressure.
Replace inversion
valve (para 11-12).
8.
Air tanks pressurized.
Air hose 107 OK.
Park control two-way check
valve OK.
Air hose 103 OK.
Air hose 109 OK.
Two-way check valve OK.
Air hose 119 OK.
POSSIBLE PROBLEMS
Faulty inversion valve.
Faulty air hose 221.
Faulty anti-compounding
valve.
Faulty air hose 231.
TM 9-2320-365-20-2
2-1658 Change 1
NO
YES
