TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 1153 of 1760
Change 1 2-757 TM 9-2320-365-20-1 CAUTION Use care when testing electrical connectors. Do not damage connector pins or sockets with multimeter probes. Failure to comply may result in damage to equipment. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. CONTINUITY TEST (1) Remove three screws and washers from PDP. (2) Remove three screws from PDP. (3) Lift PDP outward to gain access. (4) Disconnect connector J51 from connector P51. (5) Set multimeter to ohms. (6) Connect positive (+) probe of multimeter to relay K28 terminal 87 on PDP. (7) Connect negative (-) probe of multimeter to connector J51 pin 9 and note reading on multimeter. (8) If continuity is not present, repair wire 489T from relay K28 terminal 87 on PDP to connector J51 pin 9 (para 2-40) or replace WTEC II dashboard assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). (9) Install relay K28 in PDP.