TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P SETTING UP V-BLOCKADAPTER ASSEMBLY 1 Secure parallel bar (1) to left side and rear edge of leveled surface plate (2) using two C-clamps (3). 2 Place fixture plate (4) (figure 11, appx D) on surface plate (2), flush to parallel bar (1), and next to rear edge. 3 Secure V-block adapter (5) using two studs (6), two washers (7), and two nuts (8) on left side of fixture plate (4). 4 Place collimator telescope (9) on V-block adapter (5) and plumb the vertical reticle line to a plumbline. Secure collimator telescope (9) in this position by tightening screw (10). 5 Position test target (figure 8, appx D) at a distance of 50 ft (15 m) and superimpose the crosslines of test target to reticle of collimator telescope. 4-23