TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 5.1-19. M15 QUADRANT MAINTENANCE INSTRUCTIONS - continued c. Assembly - continued 25 26 27 28 29 30 31 NOTE Steps 25 through 31 apply to reinstallation of existing shouldered shaft assembly. Position ball socket seat (29) with beveled portion against bearing of shouldered shaft assembly (30) and install long end of shouldered shaft assembly (30) through boss in housing (10). Slide spur gear (31) onto shouldered shaft assembly (30) with raised portion of gear facing away from bearing of shouldered shaft assembly (30). Slide worm gear (32) onto shouldered shaft assembly (30) with end containing setscrew hole facing spur gear (31). Aline holes in gears (31 and 32) with holes in shouldered shaft assembly (30) and install two tapered pins (33). Install ball socket seat (34) through boss in housing (10) with tapered portion facing bearing of shouldered shaft assembly (30). Apply grease (item 7, appx B) and install new preformed packing (35) into groove on ring (36). Using adjustable spanner wrench, install ring (36) into boss of housing (10) to secure shouldered shaft assembly (30). Tighten ring (36) to prevent end play in shouldered shaft assembly (30) and related parts. 5.1-44 Change 1