TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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KNOWN INFO WARNING Read WARNING on following page. YES NO TEST OPTIONS REASON FOR QUESTION Air Pressure Test STE/ICE-R Test #50 2. NOTE Is 75-120 PSI (518-827 kPa) present through M1089 30K winch pneumatic manifold? If 75-120 PSI (518-827 kPa) is not present, M1089 30K winch pneumatic manifold is faulty. Ensure that pressure regulator valve is fully open by lifting knob and turning clockwise. Repair or replace M1089 30K winch pneumatic manifold (para 17-29). aa4. MAIN WINCH LH AND RH FREESPOOLS DO NOT OPERATE (CONT) TM 9-2320-366-20-3 2-2428.2 Change 1 LH and RH 30K winches operates. STATION SELECTOR switch to WRECKER CONTROL PANEL. MODE SELECTOR SWITCH to NORMAL. MAIN WINCH LH and RH SPEED switch operates. Terminal block jumper OK. Pressure protection valve OK. POSSIBLE PROBLEMS Faulty air hose. Faulty M1089 30K winch manifold assembly. Faulty M1089 30K winch pneumatic manifold assembly.