TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 8 9 NOTE Drill and ream holes for two headless straight pins if M140 alinement device is new. If removed, install two headless straight pins (4). Install M140 alinement device (TM 9-2350-311-10) and recheck coincidence of reticles which in 0.25 mils. Change 2 14-5