TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 2-17. M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS (CONT). PARALLELISM OF RETICLE AND IMAGE (CONT) 6 Install dioptometer (9) in telescope holder (10). Adjust to height of reticle alinement fixture eyepiece (11) and plumb dioptometer reticle to a plumbline. 7 Sight through dioptometer (9) and turn M115 panoramic telescope reticle using reticle adjusting wrench (figure 8, appx D) until telescope reticle is aligned with dioptometer reticle. 8 Install and tighten externally threaded ring (8). Recheck to be sure that reticle is still alined with dioptometer reticle. 9 Remove telescope housing (5) from reticle alinement fixture (6). 10 Reinstall elbow assembly (4) on telescope housing (5). Refer to page 2-19. 2-68