ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-7Z74
8 Remove plug (6) and spring (7).
9 Install new spring (7) if old one is broken. Reinstall plug (6).
10 Remove pin (8) and left orienting knob (2).
11 Loosen setscrews (9 and 10) if tight.
12 Remove externally threaded ring (11) and washer (12).
13 Tighten wormshaft cap (13), being careful not to bend worm.
14 Tighten setscrew (10).
15 Install washer (12), externally threaded ring (11), left orienting knob (2), and pin (8).
16 Tighten setscrews (9).
17 Repeat steps 1 thru 6.
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