KNOWN INFO
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
i3. PARKING BRAKE DOES NOT RELEASE (CONT)
POSSIBLE PROBLEMS
4.
Is air present at air hose
103?
Replace air hose 103
(para 11-19).
No air present at air hose 103
indicates faulty air hose.
Air tanks pressurized.
Air hose 107 OK.
Park control two-way check
valve OK.
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.
TM 9-2320-365-20-2
2-1650 Change 1
NO
YES