TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO NO NO j8. M1090/M1094 TAILGATE RELEASE DOES NOT OPERATE 3. WARNING Read WARNING on following page. POSSIBLE PROBLEMS TEST OPTIONS Visual inspection REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. YES YES Perform Electrical System Troubleshooting (e142. M1090/M1094 Tailgate Release Does Not Operate). Is air present at tailgate pneumatic cylinder front port? 4. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS Visual inspection REASON FOR QUESTION If air is not present, air hose is faulty. WARNING Read WARNING on following page. Faulty solenoid valve. Faulty air hose to front port on tailgate pneumatic cylinder. Faulty air hose to rear port on tailgate pneumatic cylinder. Faulty tailgate pneumatic cylinder. Air tanks pressurized. Pressure protection valve OK. Air hose to port P on manual override valve OK. Manual override valve OK. Air hose to port P on solenoid valve OK. Is air present at solenoid valve port B? Air tanks pressurized. Pressure protection valve OK. Air hose to port P on manual override valve OK. Manual override valve OK. Air hose to port P on solenoid valve OK. Solenoid valve OK. Replace air hose from tailgate pneumatic cylinder front port to solenoid valve port A (para 23-4). Faulty air hose to front port on tailgate pneumatic cylinder. Faulty air hose to rear port on tailgate pneumatic cylinder. Faulty tailgate pneumatic cylinder. TM 9-2320-366-20-2 2-1988.2 Change 1