TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO i3. PARKING BRAKE DOES NOT RELEASE (CONT) Replace two-way check valve (para 11-16). TM 9-2320-366-20-2 6. NO YES POSSIBLE PROBLEMS 2-1888 Change 2 Faulty two-way check valve. Faulty air hose. Faulty inversion valve. Faulty air hose 221. Faulty anti-compounding valve. Faulty air hose 231. Air tanks pressurized. Gladhands OK. Air hose 107 OK. Park control two-way check valve OK. Air hose 103 OK. Air hose 109 OK. Is air present at delivery port of two-way check valve? TEST OPTIONS Visual inspection REASON FOR QUESTION No air at delivery port of two-way check valve indicates a faulty two-way check valve.