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TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download

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TM 9-1240-400-34&P 19 install spring (30) and detent plunger (31). 20 Install worm shaft (28), nonmetallic washer (32), spring (33), nonmetallic washer (34). 21 Apply sealing compound (item 10, appx C) to threads of retainer (35). Install retainer (35) using adjustable spanner wrench. 22 Apply sealing compound (item 10, appx C) to plug (36). 23 Install detent plunger (37) and plug (36). 24 Install bevel gear (38), tapered pin (39), and setscrew (40) to worm shaft (28). 25 If removed, install two pins (41). NOTE Level vials should be near level and telescope mount assembly should be at mid-travel. 26 Install telescope mount subassembly (42), three new lockwashers (43), and three capscrews (44). 5-45