TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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aa1. M1089 LH OR RH 30K WINCH DOES NOT PAY-IN INTIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Air tanks drained (TM 9-2320-366-10-1). Personnel Required (2) Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) Goggles, Industrial (Item 15, Appendix C) NOTE KNOWN INFO 1. TEST OPTIONS POSSIBLE PROBLEMS Faulty 30K winch pneumatic manifold solenoid valve. Faulty wrecker hydraulic system. WARNING Read WARNING on following page. START Air Pressure Test REASON FOR QUESTION If air pressure is not present, perform Wrecker Hydraulic System Troubleshooting. If air pressure is present, 30K winch pneumatic manifold solenoid is faulty. NO YES Perform Wrecker Hydraulic System Troubleshooting task w4. M1089 LH 30K Winch Does Not Operate or W9. M1089 30K RH Winch Does Not Operate. Perform Electrical System Troubleshooting e138A. M1089 LH or RH 30K Winch Does Not Pay-In prior to beginning this task. Hydraulic tank oil level OK. MAIN WINCH LH and RH FREESPOOL switches to OFF. MAN WINCH LH FREESPOOL switch OK. MAN WINCH RH FREESPOOL switch OK. Is air pressure present at LH/RH 30K winch freespool input 90 degree fitting? TM 9-2320-366-20-3 2-2420 Change 1 Replace 30K winch pneumatic manifold solenoid valve (refer to Table 65.1. 30K Winch Freespool Solenoid Valves (para 17-29).