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 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) Set multimeter to ohms. (2) Connect positive (+) probe of multimeter to connector P901 pin 4. (3) Raise cab (TM 9-2320-366-10-1). (4) Disconnect connector clamp from engine speed sensor connector. (5) Disconnect connector P38 from engine speed sensor connector. (7) Connect negative (-) probe of multimeter to connector P38 pin 1 and note reading on multimeter. (8) If continuity is not present, go to step 7 of this task. (1) Set multimeter to ohms. (2) Connect positive (+) probe of multimeter to connector P38 socket 2. (3) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (4) If continuity is not present, go to step 10 of this task. (5) If continuity is present, replace tachometer (para 7-21). (6) Connect connector P38 to engine speed sensor connector. (7) Connect connector clamp on engine speed sensor connector. (8) Lower cab (TM 9-2320-366-10-1). (9) Connect connector P901 to tachometer connector. (10) Connect connector clamp on tachometer connector. (11) Position auxiliary panel on auxiliary panel housing with six screws. (12) Tighten six screws to 18 lb-in. (2 N·m). CONTINUITY TEST Change 1 2-365