TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download

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4-51 TM 9-1240-401-34&P 15 Position rigidity test target (14) 50 feet (15.24m) from objective end of collimating telescope (12). 16 Adjust position of rigidity test target (14) until its vertical lines (15) and horizontal crosslines (16) coincide with reticle lines of collimating telescope (12); secure target in this position. 17 Remove collimating telescope (12) from setup gage (10). 18 Remove setup gage (10) from fixture adapter (6). I b. VISUAL INSPECTION 2 3 4 5 1 Check that all screws and Iockwashers are present and tight. Check that all mounting surfaces are clean and free of burrs. Check that M145/M145A1 telescope mount is free of dirt, corrosion, and foreign matter. Check that M145/M45A1 telescope mount paint is not chipped. Check that all M145/M145A1 telescope mount parts are present.