TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 4 Remove screw (7), electrical cover (8), and LED (9) from ring (10). 5 Using tubular spanner wrench, remove ring (10), electrical lead (3), and light lens (11). Never snap level vial covers off level vials. 6 Remove two level vial covers (12) by removing two externally threaded rings (13), two eccentric rings (14), two eccentrics (15), and slide out two level vials (16). 7 Remove two pins (17) only if damaged. 5-25