TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 d. Installation NOTE Left and right cannoneer,s seat assemblies are 1 Position seat assembly (1) in folded down position. 2 Install two pins (2) and two snap rings (3). installed using same procedure. RIGHT SEAT ASSEMBLY SHOWN 11-13