TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download
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TM 9-2350-358-BD CHAPTER 7 ELECTRICAL SYSTEM BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR TRAINING AT THE DISCRETION OF THE COMMANDER. (AUTHORIZED TRAINING FIXES ARE LISTED IN APPENDIX E.) IN EITHER CASE, DAMAGES SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE. SECTION I. INTRODUCTION 7-1. SCOPE The electrical system can be made functional by performing the repair procedures in this manual after standard troubleshooting procedures have isolated a failed electrical component. If proper test equipment is not available for troubleshooting, fabricated test equipment listed in Appendix B may be used. Proper BDAR procedures can be found by using the fault assessment tables in the repair procedure index (para 7-3). 7-2. ASSESSMENT PROCEDURE Table 7-1. Electrical System Visual Assessment VISUALLY INSPECT DAMAGE FOUND TO: Motor, starter ...................................... para 7-5 Batteries .......................................... Chapter 3 Brush, electrical, motor/generator, worn. .................................................. para 7-7 Cables ................................................ Chapter 3 Wiring ................................................. Chapter 3 Circuit breakers .................................. Chapter 3 Switch, relay, oil pressure activated, air cleaner and generator system....... para 7-9 Switch, master.................................... para 7-10 Switch, neutral, safety ........................ para 7-11 Relay, master ..................................... para 7-12 Relay, starter protection ..................... para 7-13 Relay, generator/fuel pumps .............. para 7-14 Relay, hydraulic pump motor ............. para 7-15 Overload-sensor, hydraulic pump motor ........................................ para 7-16 7-1