TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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j8. M1090/M1094 TAILGATE RELEASE DOES NOT OPERATE WARNING Read WARNING on following page. TEST OPTIONS Visual inspection REASON FOR QUESTION NO YES TEST OPTIONS Visual inspection REASON FOR QUESTION WARNING Read WARNING on following page. KNOWN INFO 7. POSSIBLE PROBLEMS If air is not present, air hose is faulty. 8. KNOWN INFO POSSIBLE PROBLEMS YES NO Air tanks pressurized. Solenoid valve OK. Air hose to front port on tailgate pneumatic cylinder OK. Air hose to rear port on tailgate pneumatic cylinder OK. Tailgate pneumatic cylinder OK. Pressure protection valve OK. Faulty air hose to port P on manual override valve. Faulty manual override valve. Faulty air hose to port P on solenoid valve. Is air present at manual override valve port P? Replace air hose from manual override valve port P to pressure protection valve (para 23-4). Air tanks pressurized. Solenoid valve OK. Air hose to front port on tailgate pneumatic cylinder OK. Air hose to rear port on tailgate pneumatic cylinder OK. Tailgate pneumatic cylinder OK. Pressure protection valve OK. Air hose to port P on manual override valve OK. Is air present at manual override valve port A? Replace manual override valve (para 23-8). If air is not present, manual override valve is faulty. If air is present air hose is faulty. Replace air hose from manual override valve port A to solenoid valve port P (para 23-4). Faulty manual override valve. Faulty air hose to port P on solenoid valve. TM 9-2320-366-20-2 2-1988.6 Change 1