TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS i3. PARKING BRAKE DOES NOT RELEASE (CONT) Replace air hose (para 11-21). TM 9-2320-366-20-2 7. YES NO POSSIBLE PROBLEMS 2-1890 Change 2 Air tanks pressurized. Gladhands OK. Air hose 107 OK. Park control two-way check valve OK. Air hose 103 OK. Air hose 109 OK. Two-way check valve OK. Faulty air hose. Faulty inversion valve. Faulty air hose 221. Faulty anti-compounding valve. Faulty air hose 231. Is air present at supply port of inversion valve? REASON FOR QUESTION Visual Inspection Inversion valve cannot be tested if no air is present at supply port.