TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS REASON FOR QUESTION WARNING Read WARNING on following page. Voltage Test or STE/ICE-R Test #89 TM 9-2320-366-20-2 YES NO Replace MAIN WINCH LH SPEED switch (para 7-34) and M1089 control panel wiring harness (para 7-83). e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (CONT) 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. STATION SELECTOR switch OK. MAIN WINCH RH SPEED switch OK. M1089 control panel power cable assembly OK. M1089 rear lights cable assembly. Auxiliary panel cable assembly OK. Dashboard cable assembly OK. POSSIBLE PROBLEMS Faulty MAIN WINCH LH SPEED switch. Faulty M1089 control panel wiring harness. Faulty M1089 30K winch control wiring harness. 13. 2-1450.20 Change 1 If 24 VDC is not present, MAIN WINCH LH SPEED switch and M1089 control panel wiring harness is faulty. If 24 VDC is present M1089 30K winch control wiring harness is faulty. Replace M1089 30K winch wiring harness (para 7-142). Is 24 VDC present at terminal block TB14?