TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Apply adhesive to lip of adapter assembly (10) where lens (42) seats. Install lens (42) and electrical lead (40) in adapter assembly (10) with raised brass portion of contact facing outward. Apply adhesive to two machine screws (43). Install azimuth rotating counter (45) on adapter assembly (10) and secure with two new lockwashers (44) and two machine screws (43). Seal heads of two machine screws (43) with adhesive. Using solder and flux, solder electrical lead (40) to headless shoulder pin (41). Using 1/2 and 33/64 inch tubular spanner wrench, install externally threaded ring (39) and stake in place using adhesive. Pull wire (37) with lamp base through to the front of the overlay assembly (36) and position overlay assembly (36) onto adapter assembly (10). Using 11/16 and 45/64 inch tubular spanner wrench, install retaining ring (38). Insert lamp base portion of overlay assembly (36) into electrical lead (40). Position wire in recessed area to accommodate protective cap (35). Apply adhesive to inside edge of protective cap (35). Install protective cap (35) and secure with two machine screws (34). Remove any excess adhesive from outside edge of protective cap. Apply sealing compound to post (29). Install detent plunger (30) in adapter assembly (10). Install post (29) in detent plunger (30) and secure with setscrew (28). Install spring (27) and plug (26). Install access door (32), spring (33), and headless straight pin (31). Change 1 5-43