TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 3 Remove plug (5) and detent plunger (6) from housing (4). 4 Remove plug (7), spring (8), and V-bearing (9). 5 Drive out tapered pin (10) from knob (11). 6 Using adjustable spanner wrench, remove knob (11), nonmetallic washer (12), ring (13), nonmetallic washer (14), spring (15), and nonmetallic washer (16) from worm shaft (17). 7 Remove worm shaft (17) with attached parts. 5-29