TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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TEST OPTIONS  REASON FOR QUESTION  If battery(ies) is unserviceable,  12 vdc circuits will not operate.  KNOWN INFO  e89. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE  POSSIBLE PROBLEMS  1.  Are batteries serviceable?  WARNING  Read WARNING  on following page.  START  NO  Engine oil pressure indicator  light illuminates.  OIL PRESS gage operates.  Engine starts.  Alternator belts OK.  YES  Charge battery(ies) (TM 9-6140-200-14)  or replace battery(ies) (para 7-46).  Faulty battery(ies).  Faulty engine oil pressure  switch.  Faulty relay K11.  Faulty dashboard cable  assembly.  Faulty engine control cable  assembly.  Faulty alternator ground strap.  Faulty alternator.  Faulty voltage regulator.  Faulty 100 AMP alternator to  reverse polarity relay 12 vdc  cable.  Faulty 200 AMP alternator to  terminal block 12 VDC cable.  Faulty 100 AMP alternator to  reverse polarity relay 24 VDC  cable.  Faulty 200 AMP alternator to  terminal block 24 VDC cable.  Battery Specific Gravity Test  TM 9-2320-365-20-1  2-1010 Change 1  INITIAL SETUP  Equipment Conditions  Engine shut down (TM 9-2320-365-10).  Materials/Parts  Wire, Elect, 50 ft (Item 77, Appendix D)  Wire, Relay Test (Item 9, Appendix E)  Nut, Self-Locking (Item 131.1, Appendix G) (100 AMP)  Nut, Self-Locking (Item 130.1, Appendix G) (200 AMP)  References  TM 9-6140-200-14  TM 9-4910-571-12&P  Tools and Special Tools  Tool Kit, Genl Mech (Item 44, Appendix C)  STE/ICE-R (Item 39, Appendix C)  Multimeter, Digital (Item 22, Appendix C)  Apron, Rubber (Item 3, Appendix C)  Gloves, Rubber (Item 13, Appendix C)  Goggles, Industrial (Item 15, Appendix C)  Tester, Antifreeze and Battery (Item 41, Appendix C)  Wrench, Torque, 0-200 lb-in. (Item 58, Appendix C)  Personnel Required  (2)