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) 3. Replace SYSTEM PARK air supply valve (para 11-20). TM 9-2320-366-20-2 NO YES 2-1882 Change 2 Air tanks pressurized. Gladhands OK. Air hose 107 OK. Park control two-way check valve OK. POSSIBLE PROBLEMS Faulty SYSTEM PARK air supply valve. 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. Is air present at delivery port of SYSTEM PARK air supply valve? REASON FOR QUESTION No air present at delivery port indicates faulty SYSTEM PARK air supply valve. Visual Inspection