TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

POSSIBLE PROBLEMS 1. Are batteries serviceable? KNOWN INFO Circuit breaker CB70 OK. TEST OPTIONS NO YES Faulty battery(ies). Faulty cab to chassis ground strap. Faulty PDP to cab ground cable. Faulty dashboard cable assembly. Faulty shunt. Faulty starter to shunt 24 VDC cable. Faulty battery to shunt cable assembly. Faulty starter to chassis ground cable. Faulty 100 AMP reverse polarity relay. Faulty battery to 100 AMP reverse polarity relay 12 VDC cable. Faulty 100 AMP reverse polarity relay to PDP 12 VDC cable. Faulty 200 AMP reverse polarity relay. Faulty 200 AMP terminal block. Faulty 200 AMP terminal block to PDP 12 VDC cable. Faulty 200 AMP terminal block to reverse polarity relay 12 VDC load cable. Faulty 200 AMP terminal block to reverse polarity relay 12 VDC battery cable. Faulty battery to 200 AMP terminal block 12 VDC cable assembly. Battery Specific Gravity Test REASON FOR QUESTION If battery(ies) is unserviceable, 12 vdc circuits will not operate. START WARNING Read WARNING on following page. Charge battery(ies) (TM 9-6140-200-14) or replace battery(ies) (para 7-46). e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE TM 9-2320-365-20-1 2-254 Change 1 NOTE Perform Electrical System Troubleshooting e1. Circuit Breaker Does Not Operate on circuit breaker CB70 prior to beginning this task. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Materials/Parts Dispenser, Pressure Sensitive Adhesive Tape (Item 21, Appendix D) Lockwasher (Item 66.1, Appendix G) Lockwasher (Item 73, Appendix G) Lockwasher (Item 76, Appendix G) Lockwasher (Item 78, Appendix G) Lockwasher (4) (Item 92, Appendix G) Lockwasher (2) (Item 65, Appendix G) Self-locking Nut (Item 148, Appendix G) Ties, Cable, Plastic (Item 76 Appendix D) Wire, Elect, 50 ft (Item 77, Appendix D) Personnel Required (2) 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) Goggles, Industrial (Item 15, Appendix C) Gloves, Rubber (Item 13, Appendix C) Socket Set, Socket Wrench (Item 35, Appendix C) Tester, Antifreeze and Battery (Item 41, Appendix C) Wire, Relay Test (Item 9, Appendix E) Wrench, Torque, 0-175 lb-ft. (Item 57, Appendix C) Wrench, Torque, 0-200 lb-in. (Item 58, Appendix C) References TM 9-6140-200-14 TM 9-4910-571-12&P