TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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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 TM 9-2320-366-20-2 Change 1 2-1450.19 NOTE (1) Install circuit breaker CB50 in PDP. (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to terminal block TB9. (4) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (5) If 24 VDC is not present, go to step 15 of this fault. (6) If 24 VDC is present, replace M1089 control panel wiring harness (para 7-83) and STATION SELECTOR switch (para 7-34). Perform steps (7) and (8) if 24 VDC is present at terminal block TB9. (7) Install PDP cover (para 16-2). (8) Install wrecker control panel top cover (para 14-4).