KNOWN INFO
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
i3. PARKING BRAKE DOES NOT RELEASE (CONT)
Is air present at delivery
ports of anti-compounding
valve?
Leaking anti-compounding
valve may cause rapid loss of
system air pressure.
10.
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.
Inversion valve OK.
Air hose 221 OK.
POSSIBLE PROBLEMS
Faulty anti-compounding
valve.
Faulty air hose 231.
TM 9-2320-365-20-2
2-1662 Change 1
NO
Replace anti-compounding
valve (para 11-11).
YES
Replace air hose 231
(para 11-19).