TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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Change 1 2-795  TM 9-2320-365-20-1  WARNING  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.  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 9-2320-365-10).  (5) Position main light switch to BO DRIVE  (TM 9-2320-365-10).  (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 2-40) 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 9-2320-365-10).  (9) Position master power switch to off  (TM 9-2320-365-10).  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 2-40)  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).