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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 2–11 OPERATION OF FIRE CONTROL EQUIPMENT UNDER NORMAL CONDITIONS — CONTINUED 2–1 1.2 M118A2/M118A3 Elbow Telescope and M146 Telescope Mount — Continued b. Description of M118A2/M118A3 Elbow Telescope and M146 Telescope Mount Components — Continued 8 9 10 11 12 Deflection knob (13) allows deflection changes in 8 mil increments when turned. Deflection scale dial (14) registers deflection corrections in mils. Cable assembly (15) supplies 24v dc power from the vehicle supply to the M118A2/M118A3 elbow telescope (1) for reticle and level vial illumination. Elevation slide (16) supports the M118A2/M118A3 elbow telescope (1) in elevation. Kingpin (3) allows mounting of the M118A2/M118A3 elbow telescope (1) to the M146 telescope mount (2). 2-143