TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION i3. PARKING BRAKE DOES NOT RELEASE (CONT) Is air present at supply port of two-way check valve? Two-way check valve cannot be tested if no air is present at supply port. Air tanks pressurized. Air hose 107 OK. Park control two-way check valve OK. Air hose 103 OK. POSSIBLE PROBLEMS 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. 5. TM 9-2320-365-20-2 2-1652 Change 1 NO YES Replace air hose 109 (para 11-19).