TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
Page 616 of 1632
TEST OPTIONS REASON FOR QUESTION Operational Test NO YES This question eliminates possible problems and determines where troubleshooting continues. KNOWN INFO 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. POSSIBLE PROBLEMS 5. TM 9-2320-366-20-2 2-1456.4 Change 1 Go to step 9 of this fault. WARNING Read WARNING on following page. e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (CONT) Faulty MAIN WINCH LH FREESPOOL switch. Faulty MAIN WINCH RH FREESPOOL switch. Faulty M1089 control panel wiring harness. Faulty M1089 30K winch control wiring harness. Faulty jumper wire. Faulty 30K winch pneumatic manifold solenoid L17. Faulty 30K winch pneumatic manifold solenoid L19. Faulty wrecker air system. Does RH 30K winch freespool?