TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
Page 674 of 1432
KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION i3. PARKING BRAKE DOES NOT RELEASE (CONT) 3. POSSIBLE PROBLEMS Is air present at delivery port of SYSTEM PARK air supply valve? No air present at delivery port indicates faulty SYSTEM PARK air supply valve. Air tanks pressurized. Air hose 107 OK. Park control two-way check valve OK. 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. TM 9-2320-365-20-2 2-1648 Change 1 NO Replace SYSTEM PARK air supply valve (para 11-18). YES