TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TM 9-2320-366-20-1 Change 1 2-831 WARNING VOLTAGE TEST (1) Set multimeter to volts DC. (2) Connect positive (+) probe of multimeter to relay K27 terminal 86 on PDP. (3) Connect negative (-) probe of multimeter to ground. (4) Position master power switch to on (TM 9-2320-366-10-1). (5) Position main light switch to BO DRIVE (TM 9-2320-366-10-1). (6) Apply brakes and note reading on multimeter. (7) If 12 VDC is not present, repair wire 23 from relay K27 terminal 86 on PDP to connector PX15 socket N (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (8) Position main light switch to OFF (TM 9-2320-366-10-1). (9) Position master power switch to off (TM 9-2320-366-10-1). 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. CONTINUITY TEST (1) Set multimeter to ohms. (2) Connect positive (+) probe of multimeter to relay K27 terminal 85 on PDP. (3) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (4) If continuity is not present, repair wire 3044 from K27 terminal 85 on PDP to terminal board TB2 position 34 (para 2-45) or replace WTEC II dashboard assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (5) If continuity is present, replace relay K27 (para 7-9). (6) Install relay K27 in PDP. (7) Install PDP cover (para 16-2).