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 If necessary, scribe a line on bevel gear (5) and worm shaft (6) to aid reassembly. Remove setscrew (7), tapered pin (8), and bevel gear (5) from worm shaft (6). 4 Using adjustable spanner wrench, remove retainer (9), nonmetallic washer (10), spring (11), and nonmetallic washer (12). 5 Remove plug (13) and detent plunger (14). 6 Remove worm shaft (6), detent plunger (15), and spring (16). 7 Remove pin (17), retainer (18), preformed packing (19), and bearing (20) from worm shaft (6). Discard preformed packing. 8 Remove six screws (21) and ring spacer (22). 9 Separate housing (23) and ring assembly (24). 5-39