TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 42 Install new self-locking nut (55) on deflection shoul- der screw (56), 43 Apply grease (item 6, appx B) to machined surface of elevation bracket (79). 44 Secure plate spacer (73) to mount with three new Iockwashers (75) and three cap screws (74). Install original and new shims as necessary between plate spacer (73) and mount to maintain a maxi- mum clearance of 0.002 inch (0.005mm). 45 Install setscrew (51) in base plate (52). 46 Install setscrew (53) in mount. 47 Place knob (17) and shaft collar(19) on tapered pin (20) and aline scribe marks. 48 Aline the holes on knob (17) with holes in shaft col- lar (19) and tapered pin (20). 49 Support knob(17) with V-block and install tapered pin (18). 50 Install knob (17), shaft collar (19), tapered pin (20), and tapered pin (18) as a unit in elevation slide (21). 51 Install chain assembly (12) and secure with two new Iockwashers (14) and two machine screws (13). 52 Install insert (16) and setscrew(15) in elevation slide (21). 53 Install spring clip (83) and secure with machine screw (84). 54 Install cable assembly (80) and secure with two new Iockwashers (82) and two cap screws (81). 55 Secure three clamps (78) to elevation bracket (79) with three new Iockwashers (77) and three ma- chine screws (76). 2-15