TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 32 Insert shouldered shaft (37) into housing (10) from rear of housing. Aline hole in shouldered shaft with cutout in base of housing. 33 Install and tighten three screws (38) and three new lockwashers (39). 34 35 Install pin (40) in shouldered shaft (37), if removed. Install electrical lead (41) into shaft by threading wire of electrical lead into externally threaded opening of shaft and out small hole that is alined with cutout in housing (10). 36 Secure electrical lead (41) into shaft with setscrew (42). Setscrew must not protrude from surface of shaft. 37 Solder wire of electrical lead (41) to center post of toggle switch (43) using solder (item 18, appx B) and flux (item 5, appx B). 38 39 Install two machine screws (44) in gear sector (45). Apply grease (item 6, appx B) to shaft and install flat washer (46), gear sector (45), flat washer (47), and nut (48). 40 Using tubular spanner wrench 1-1/16 and 1-5/64 inch, tighten nut (48) and secure with two setscrews (49). 41 Apply grease (item 6, appx B) to plunger (50) and spring (51). 42 Install plunger (50) and spring (51) into housing (10) and secure with plug (52). 43 Position bracket (53) on housing (10). NOTE If shouldered shaft was removed from housing, perform steps 32 thru 34. If shouldered shaft was not removed, go to step 35. Change 1 5.1-45