TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 5-16. MAINTENANCE OF TELESCOPE MOUNT SUBASSEMBLY LOWER ASSEMBLY (CONT). REASSEMBLY (CONT) 12 Apply sealing compound (item 10, appx C) to threads of capscrew (18) and two setscrews (19). NOTE Ensure setscrew holes in pivot and bracket are properly aligned. 13 Install pivot (20), capscrew (18), and two setscrews (19). 14 Apply sealing compound (item 10, appx C) to threads of six screws (21). 15 Join gear assembly (22) and housing (23). Install ring spacer (24) and six screws (21). 16 Apply a coat of aircraft grease (item 7, appx C) to new preformed packing (25). 17 Install bearing (26), new preformed packing (25) and retainer (27) on worm shaft (28). 18 If necessary, drill and ream retainer (27) and worm shaft (28). Install pin (29). Refer to TM 9-254. 5-44