TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download
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TM 9-2350-358-BD 7-12. RELAY, MASTER - CONTINUED NOTE While the cables from terminals A1 and A2 of the master relay are connected, the electrical circuits of the M109A6 are hot. When the M109A6 is inoperative and the MASTER power switch would normally be set to OFF, the cables should be disconnected (steps 2 and 3) to avoid possible battery discharge. 4. Using bolt, washers, lockwasher and nut, connect cables taken from terminals A1 and A2. 5. Insulate and secure cables from A1 and A2 while connected, using electrical insulating tape. 6. Connect battery ground cable to shunt. 7. Record BDAR action taken. When mission is complete, as soon as practical, repair the equipment/system using standard maintenance procedures. 7-13. RELAY, STARTER PROTECTION General Information: The starter protection relay prevents damage to starter from cranking beyond a predetermined time limit and therefore overheating. Limitations: Logic circuit is disabled and cannot utilize sensing signals from the generator or voltage regulator. Personnel/Time Required: • 2 soldiers • 0.5 hour Materials/Tools: Wire, electrical (item 74, Appendix C) References: TM 9-2350-314-20-1-2 7-15