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 YES NO WARNING Read WARNING on following page. Voltage Test or STE/ICE-R Test #89 TM 9-2320-366-20-2 POSSIBLE PROBLEMS 6. Is 24 VDC present at terminal block TB19? 2-1456.6 Change 1 Replace MAIN WINCH LH FREESPOOL switch (para 7-34) and M1089 wrecker control panel wiring harness (para 7-83). 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. MAIN WINCH LH and RH SPEED switches operate. RH 30K winch freespools. MAIN WINCH LH FREESPOOL switch OK. 30K winch pneumatic manifold solenoid L17 OK. Faulty MAIN WINCH LH FREESPOOL switch. Faulty M1089 control panel wiring harness. Faulty M1089 30K winch control wiring harness. Faulty jumper wire. Faulty 30K winch pneumatic manifold solenoid L19. Faulty wrecker air system. e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (CONT) If 24 VDC is not present, MAIN WINCH LH FREESPOOL switch and M1089 wrecker control panel wiring harness are faulty.