TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 2 Visually inspect for missing or damaged parts 3 Repair or replace parts in accordance with author- ized parts listed in appendix D. d. Assembly I 1 2 3 4 5 6 7 8 9 10 11 12 13 If removed, install mirror (34) and secure using two rivets (33). If removed, install mirror (32) and secure using two rivets (31). Install lens (30) and electrical lead (29) with the raised brass portion of electrical lead (29) facing threaded ring (28). Using 11/16 and 45/64 inch tubular spanner wrench, install threaded ring (28). Stake threaded ring (28) in three places. Install ring spacer (27) onto LED (26). Install LED (26) with ring spacer (27), electrical connector cover (25), new Iockwasher (24), and machine screw (23). If removed, install window (22), using sealing com- pound (item 13, appx B). if removed, press headless straight pin (21) into bracket (7) so that the headless straight pin pro- trudes far enough into the pitch level (19) hole to engage pitch level (19). Position cover (20) in bracket (7) and pitch level (19) into the bracket (7) so the slot in the end of the pitch level (19) engages headless straight pin (21). Install cell (18) and secure with threaded ring (17), using fabricated eccentric tool. Do not tighten threaded ring (17) at this time. Install lens (16) and electrical lead (15) with the raised brass portion of electrical lead (15) facing threaded ring (14). Using 11/16 and 45/64 inch tubular spanner wrench, install threaded ring (14). Stake threaded ring (14) in three places. Install LED (13), electrical connector cover (12), new Iockwasher(11 ), and machine screw (10). 4-23