TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
Page 52 of 344
TM 9-1240-400-34&P 2-12. MAINTENANCE OF BODY ASSEMBLY, COVER ASSEMBLY, AND TELESCOPE REASSEMBL Y (CONT) 23 Install bearing (27) on worm shaft (28) and secure with thrust washer (29) and new self-locking nut (30). 24 Install plunger (31) and aline hole. 25 Install worm shaft (28) in body (4) by rotating clockwise. 26 Install spring (32) and plug (33). 27 Install two nonmetallic washers (34) and spring (35) on worm shaft (28). 28 Apply sealing compound (item 10, appx C) to threads of retainer (36). 29 Using adjustable spanner wrench (7597708), install retainer (36) and spur gear (37) on worm shaft (28). 30 If necessary, drill and ream spur gear (37) and worm shaft (28). 31 Install tapered pin (38). 32 If removed, install pin (39) in body (4). 33 Apply a coat of adhesive (item 4, appx C) to mating surfaces of adapter assembly (40), body (4), and to tips of four socket capscrews (41). 34 Apply sealing compound (item 10, appx C) to four spacers (42). 35 Install four spacers (42) on adapter assembly (40). 36 Install adapter assembly (40), four new lockwashers (43), and four socket capscrews (41) on body (4). 2-36