TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
Page 326 of 1396
KNOWN INFO TEST OPTIONS REASON FOR QUESTION YES NO 2. Operational Test This question eliminates possible problems and determines where to continue troubleshooting. Notify DS Maintenance. Do LH and RH stifflegs operate? w4. M1089 LH 30K WINCH DOES NOT OPERATE (CONT) TM 9-2320-366-20-3 POSSIBLE PROBLEMS Hydraulic tank oil level OK. MAIN WINCH LH FREESPOOL switch to OFF. MAIN WINCH LH FREESPOOL switch OK. Hydraulic tubes and fittings OK. Faulty upper main valve assembly. Faulty pressure relief valve assembly. Faulty LH 30K winch assembly. 2-2254.2 Change 2 Perform Wrecker Hydraulic System Troubleshooting task w2. M1089 STIFFLEGS/ LEFT 30K WINCH/ 15K SRW DO NOT OPERATE.