TM 9-2330-390-14&P4-75. HUB, BRAKEDRUM, AND WHEEL BEARINGS MAINTENANCE (Con’t).1.Remove eight capscrews (1) lockwashers (2), cover plate (3), and O-ring (4) from hub (15). Discardlockwashers and O-ring.NOTELockwasher may be reused If not damaged.2.Remove outer nut (5) lockwasher (6), inner nut (7) and washer (8) from spindle (11).Use extreme caution when handling heavy parts. Lifting device is required when partsweigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two personlift, and over 150 lb (68 kg) for a three or more person lift. Keep clear of heavy partssupported only by lifting device. Failure to follow this warning may cause serious injuryor death to personnel.3.Remove hub (15) and brakedrum (10), as an assembly, and outer bearing cone (17) from spindle (11).4.Remove seal (12) and inner bearing cone (13) from hub (15). Discard seal.4-192
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