TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 5.1-19 M15 QUADRANT MAINTENANCE INSTRUCTIONS - continued c. Assembly - continued 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 Apply grease (item 6, appx B) to two new preformed packings (54 and 55) and to shaft (56) and quadrant spacer (57). Install shaft (56) and quadrant spacer (57) through bosses of bracket (53) and into bushing of quadrant housing. Install woodruff key (58) into quadrant spacer (57) and aline hole in spacer with straight pin (59). Install two screws (60) into gear sector (61). Apply grease (item 6, appx B) to teeth of gear sector (61). Aline keyway of gear sector (61) with woodruff key on quadrant spacer (57). Secure gear sector (61) to quadrant spacer (57) with new lockwasher (62) and capscrew (63). Apply grease (item 6, appx B) to worm gear and bearing of wormshaft (64). Install wormshaft (64) into housing. Install ball socket seat (65) on wormshaft (64) with beveled portion toward bearing. Using adjustable spanner wrench, install ring (66). Tighten ring (66) to eliminate end play of wormshaft (64) and related parts. Secure quadrant spacer (57) to bracket (53) with three screws (67) and install screw (68). Aline hole in shaft (56) with straight pin (69). Secure shaft (56) to bracket (53) with three screws (70). Install retaining strap (71), valve stem (72), valve core (73), and cap (74). 5.1-46 Change 1