KNOWN INFO
TEST OPTIONS
i3.
PARKING BRAKE DOES NOT RELEASE (CONT)
4.
Is air present at air hose
103?
Replace air hose 103
(para 11-21).
TM 9-2320-366-20-2
NO
YES
REASON FOR QUESTION
No air present at air hose 103
indicates faulty air hose.
Visual Inspection
Air tanks pressurized.
Gladhands OK.
Air hose 107 OK.
Park control two-way check
valve OK.
POSSIBLE PROBLEMS
Faulty air hose 103.
Faulty air hose 109.
Faulty two-way check valve.
Faulty air hose 119.
Faulty inversion valve.
Faulty air hose 221.
Faulty anti-compounding
valve.
Faulty air hose 231.
2-1884
Change 2