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TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download

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TM 9-2320-366-20-2 VOLTAGE TEST Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on equipment and cause injury or short across electrical circuits and cause severe burns or electrical shock. WARNING Change 1 2-1450.21 (1) Install circuit breaker CB50 in PDP. (2) Position MAIN WINCH LH SPEED switch to HIGH. (3) Set multimeter to volts DC. (4) Connect positive (+) probe of multimeter to terminal block TB14. (5) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (6) If 24 VDC is not present, replace MAIN WINCH LH SPEED switch (para 7-34) and M1089 control panel wiring harness (para 7-83). (7) If 24 VDC is present, replace M1089 30K winch control wiring harness (para 7-142). (8) Position MAIN WINCH RH SPEED switch to LOW. (9) Close LH and RH catwalks. (10) Install PDP cover (para 16-2). (11) Install wrecker control panel top cover (para 14-4).