TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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aa5. M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE (CONT) KNOWN INFO TEST OPTIONS Air Pressure Test STE/ICE-R Test #50 REASON FOR QUESTION YES NO 5. Main winch LH/RH freespools. 30K winch pneumatic manifold solenoid L8/L4 OK. Air hoses OK. POSSIBLE PROBLEMS Faulty M1089 LH/RH 30K winch pneumatic valve assembly. Is 55-65 PSI (380-440 kPa) present at output 90 degree fitting of regulator valve? If 55-65 PSI (380-440 kPa) is not present, regulator valve is faulty. If 55-65 PSI (380-440 kPa) is present, shuttle valve is faulty. Replace regulator valve (para 17-30). Replace shuttle valve (para 17-13). TM 9-2320-366-20-3 2-2430.8 Change 1