TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P NOTE Steps 5 thru 8 refer to the Ml 17 panoramic telescope only. 5 Install contact assembly (17), cap (16), and head- less straight pin (15), only if removed. 6 Solder wire (22) to grooved pin (21) using solder and flux. 7 Install bushing insulator (20) and grooved pin (21) with wire (22) attached. Secure with retaining ring (19). 8 Install cap (1 8). Apply adhesive to seal wire (22) into groove in upper housing (12). 9 Mount self-alining bearing (36) and spacer ring (35) on worm shaft (26). Secure with new self-locking nut (34). 10 Install setscrew (33) in self-locking nut (34). Apply sealing compound to setscrew (33). 11 Apply grease (item 6, appx B) to flat washers (31 and 32). 12 Install fiat washer (32), spring (30), and flat washer (31) on worm shaft (26). 13 Apply grease (item 7, appx B) to new preformed packing (37) and install in threaded ring (25). 14 Install threaded ring (25) on worm shaft (26). 15 Install gear (29) on worm shaft (26) and secure with tapered pin (28). 5-29