TM-9-2350-274-BD M109 Battlefield Damage Assessment and Repair Download

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TM 9-2350-274-BD ARMAMENT AND FIRE CONTROL SYSTEM 10-13. PIVOT INTERLOCK SWITCH (Cont). Materials/Tools: Knife or wire cutter with stripper Electrical tape Procedural Steps: 1. Cut wires 37B and 174 and strip 1/4 in. to 1/2 in. on each piece. 2. Twist stripped ends together. 3. Insulate with electrical tape. 10-14. RAMMER TRAY INTERLOCK SWITCH. General Information: The purpose of the rammer tray interlock is to prevent the tube from being elevated or depressed while the rammer tray is in use. Limitations: This procedure may not be used if the pivot interlock switch has been by-passed. The rammer loader may be severely damaged if the gun is elevated or depressed while the rammer tray is in use without an interlock switch. Personnel/Time Required: 1 soldier 2 minutes Materials/Tools: Knife or wire cutter with stripper Electrical tape Procedural Steps: 1. Cut wires 1740 and 174A and strip 1/4 in. to 1/2 in. on each piece. 2. Twist stripped ends together. 3. Insulate with electrical tape. 10-15. TRAVERSING MECHANISM DAMAGE. General Information: In the event the traversing mechanism becomes so damaged that it is impossible to traverse either under power or manually, the gun may be traversed using a vehicle to push the tube if the traverse lock is still. Limitations: Pushing the tube into position causes reduced accuracy and a reduced rate of fire. Personnel/Time Required: 3 soldiers 2 minutes Materials/Tools: Vehicle Change 1 10-19