TM-9-2320-366-34-1 MTV Direct Maintenance Manual M1083 Series - Volume 1 Download
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h7. M1089 LH 30K WINCH DOES NOT OPERATE KNOWN INFO REASON FOR QUESTION 1. WARNING Read WARNING on following page. YES NO TEST OPTIONS Repair or replace M1089 linear directional control valve (para 16-82) Pressure Test or STE/ICE-R Test #51 START Is hydraulic pressure between 2,950-3,050 PSI (20,340-21,030 kPa) at output of upper main valve assembly? If hydraulic pressure is not between 2,950-3,050 PSI (20,340-21,030 kPa), M1089 linear directional control valve is faulty. TM 9-2320-366-34-1 2-1008 Change 1 Materials/Parts (Cont) Rag, Wiping (Item 60, Appendix C) Cap, Tube (Item 17.2, Appendix C) Hose Assembly, Nonmetallic (Item 40.1, Appendix C) Plug, Tube Fitting, Threaded (Item 55.1, Appendix C) Tee, Tube (Item 88.1, Appendix C) Dispenser, Pressure Sensitive Adhesive Tape (Item 30, Appendix C) References TM 9-4910-571-12&P Personnel Required (2) INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Control panel assembly covers, removed (TM 9-2320-366-20-5). Tools and Special Tools Tool Kit, Genl Mech (Item 78, Appendix B) STE/ICE-R (Item 70, Appendix B) Transmitter, Pressure (Item 1, Appendix G) Pan, Drain (Item 43, Appendix B) Goggles, Industrial (Item 28, Appendix B) Hydraulic tank oil level OK. MAIN WINCH LH FREE SPOOL switch to OFF. MAIN WINCH LH FREE SPOOL switch OK. MAIN WINCH LH FREE SPOOL solenoid valve OK. RH 30K winch operates. Hydraulic tubes and fittings OK. LH and RH stifflegs OK. POSSIBLE PROBLEMS Faulty M1089 linear directional control valve. Faulty upper main valve assembly. Faulty LH 30K winch assembly. Faulty pressure relief valve assembly.