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 KNOWN INFO POSSIBLE PROBLEMS 5. NO YES NO YES KNOWN INFO TEST OPTIONS Visual inspection REASON FOR QUESTION WARNING Read WARNING on following page. 6. POSSIBLE PROBLEMS Is air present at pressure protection valve? Replace tailgate pneumatic cylinder (para 23-9). 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. Air hose to front port on tailgate pneumatic cylinder OK. Faulty air hose to rear port on tailgate pneumatic cylinder. Faulty tailgate pneumatic cylinder. Is air present at tailgate pneumatic cylinder rear port? If air is not present, air hose is faulty. If air is present, tailgate pneumatic cylinder is faulty. Replace air hose from tailgate pneumatic cylinder to solenoid valve port B (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. Faulty pressure protection valve. Faulty air hose to port P on manual override valve. Faulty manual override valve. Faulty air hose to port P on solenoid valve. If air is not present, pressure protection valve is faulty. Replace pressure protection valve (para 23-12) 2-1988.4 Change 1 TM 9-2320-366-20-2