TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO 1. TEST OPTIONS Operational Test REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. YES NO Does MAIN WINCH LH SPEED switch operate? Go to step 4 of this fault. TM 9-2320-366-20-2 2-1446.12 Change 1 POSSIBLE PROBLEMS e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL Faulty STATION SELECTOR switch. Faulty MAIN WINCH LH SPEED switch. Faulty MAIN WINCH RH SPEED switch. Faulty M1089 control panel wiring harness. Faulty M1089 30K winch control wiring harness. Faulty M1089 control panel power cable assembly. Faulty M1089 rear lights cable assembly. Faulty auxiliary panel cable assembly. Faulty dashboard cable assembly. Faulty jumper wire. Faulty wrecker hydraulic system. LH and RH winches operate from wrecker control panel. Circuit breaker CB50 OK. STATION SELECTOR switch to WRECKER CONTROL PANEL. MODE SELECTOR SWITCH to NORMAL. WARNING Read WARNING on following page. START NOTE INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Wrecker control panel top cover removed (para 14-4). Personnel Required (2) Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) Multimeter, Digital (Item 22, Appendix C) STE/ICE-R (Item 41, Appendix C) References TM 9-4910-571-12&P Perform Electrical System Troubleshooting task e1. Circuit Breaker Does Not Operate on circuit breaker CB50 prior to beginning this task.