TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 4 Apply a light coat of aircraft grease (item 8, appx C) to support assembly (7). 5 Using adjustable spanner wrench, install support assembly (7), shim (8) if removed, and plain round nut (9). 6 Install setscrew (10) in adapter (3). 7 Install identification plate (11) and two screws (12). 8 Install control cam (13) and new self-locking screw (14). 9 Apply a light coat of aircraft grease (item 8, appx C) to worm shaft (15). 10 Install worm shaft (15) and spacer (16), meshing gears. 11 Install shim (17) if removed, spacer (18) and collar (19) to worm shaft (15). 12 Install setscrew (20) in collar (19), leaving worm shaft (15) to turn without binding. 13 If necessary, drill and ream collar (19) and install tapered pin (21). Remove setscrew (20). Refer to TM 9-254. 14 If removed, install pin (22). 15 Install receptacle (23) and shaft (24) in adapter (3). 4-9