TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9–2350–311–10 Change 3 2–141 2–11 OPERATION OF FIRE CONTROL EQUIPMENT UNDER NORMAL CONDITIONS — CONTINUED 2–11.1 M117/M117A2 Panoramic Telescope and M145/M145A1 Telescope Mount — Continued e. Removal of M117/M117A2 Panoramic Telescope Release two clamping catches (2) and remove M117/M117A2 panoramic telescope (1). 1 2