TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 24 Apply sealing compound (item 10, appx C) under heads of two screws (36). 25 Install two screws (36) and adapter (37) on base (1). 26 Install gear (38) on rotating counter (39). 27 Apply sealing compound (item 10, appx c) under heads of four screws (40). 28 If necessary, drill and ream base assembly (41). Drive in two pins (42). Refer to TM 9-254. 29 Install rotating counter (39) and four screws (40) to base assembly (41). 30 Aline gear (38). If necessary, drill and ream gear and rotating counter (39). Drive in tapered pin (43). Refer to TM 9-254. 31 Apply sealing compound (item 10, appx C) to threads of two screws (44). 32 Install telescope shield (45) and two screws (44). 33 Apply aircraft grease (item 6, appx C) to new preformed packing (46) and install. 34 Install spring (47) and detent plunger (48) in adapter (37). 35 Apply sealing compound (item 10, appx C) to threads of setscrew (49). 36 Install knob (50), pin (51), and setscrew (49) on shaft of differential assembly (30). 5-51