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 Procedural Steps (Cont): 8. Use gas or arc to weld a continuous bead around the patch. Check weld for cracks or openings, and repair if necessary. Record the BDAR action taken. When The mission is completed, as soon as practicable, repair vehicle using standard maintenance procedures. 10-5. GUN INTERCHANGEABILITY (M109 FAMILY). General Information: Gun tubes and mounts sustain damage easily in a combat environment, which may prevent fire missions. A wrecker, block and tackle or improvised lifting device maybe used to assist interchanging them. The 155MM gun of the M 109 vehicle is interchangeable only within the M109 family. Use of the longer gun tube on the M109 or a short tube on the M109A2, M109A3, M109A4 or M109A5 will eliminate the use of the travel lock. Interchangeability Information Vehicle Tube Mount M109 M126A1 M127 M109A1 M185 M127 M109A2 M185 M178 M109A3 M185 M178 M109A4 M185 M178 M109A5 M284 M182 Any tube or mount combination may be used but using the longer gun tube will change the vehicle’s balance which may require the vehicle to move at slower speeds. Firing tables for the appropriate tube length must also be used. 10-5.1. GUN INTERCHANGEABILITY (M110 FAMILY) General Information: Gun tubes and mounts sustain damage easily in a combat environment, which may prevent tire missions A wrecker, block and tackle or improved lifting device may be used to assist interchanging them. The 8“ gun of the Ml 10 series vehicle is interchangeable only within the Ml 10 family. Interchangeability Vehicle Tube M107 M110 Information Mount M158 M158 M110A2 M201A2 M174 Any tube or mount combination may be used but using the longer gun tube will change the vehicle’s balance which may require the vehicle to move at slower speeds. Firing tables for the appropriate tube Iength must also be used. . 10-8 Change 3