TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 2-12. MAINTENANCE OF BODY ASSEMBLY, COVER ASSEMBLY, AND TELESCOPE SUBASSEMBLY (CONT). DISASSEMBL Y (CONT) 30 Loosen two setscrews (64) and then loosen support (65) using adjustable spanner wrench (fig. B-25, item 7). 31 Rotate collar (66) to expose four setscrews (67) Remove setscrews. 32 Tighten support (65) and two setscrews (64). 33 Remove two pins (68) from round nut (69) only if damaged. 34 Remove round nut (69) and collar (66) together. 35 Remove two setscrews (64) and unscrew support (65). 36 Remove preformed packing (70) and discard. 37 Remove four screws (71) and two plate spacers (72). 2-32