TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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KNOWN INFO 1. WARNING Read WARNING on following page. YES NO Is 75-120 PSI (518-837 kPa) present at pneumatic manifold solenoid L19 port 1? START NOTE TEST OPTIONS REASON FOR QUESTION If 75-120 PSI (518-827 kPa) is not present, 30K winch pneumatic manifold is faulty. Air Pressure Test STE/ICE-R Test #50 Repair 30K winch pneumatic solenoid or replace solenoid L19 (para 17-29). aa2. MAIN WINCH LH FREESPOOL DOES NOT OPERATE Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) STE/ICE-R (Item 41, Appendix C) M1089 30K Winch Pneumatic Test Adapter (Item 25, Appendix E) Goggles, Industrial (Item 15, Appendix C) References TM 9-4910-571-12&P Perform Electrical System Troubleshooting task e140. Main Winch LH or RH Freespool Switch Does Not Operate prior to beginning this task. POSSIBLE PROBLEMS Faulty 30K winch pnuematic manifold solenoid L19. Faulty air hose. Faulty LH 30K winch assembly. TM 9-2320-366-20-3 2-2422 Change 1 LH 30K winch operates. STATION SELECTOR switch to WRECKER CONTROL PANEL. MODE SELECTOR SWITCH to NORMAL. MAIN WINCH LH SPEED switch operates. RH 30K winch freespools. MAIN WINCH LH FREESPOOL switch OK. M1089 control panel wiring harness OK. Terminal block jumper OK. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320- 366-10-1). Air tanks drained (TM 9-2320-366-10-1). Personnel Required (2)