TM 9-2330-390-14&P
4-75. HUB, BRAKEDRUM, AND WHEEL BEARINGS MAINTENANCE (Cont).
1.
Remove eight capscrews (1) lockwashers (2), cover plate (3), and O-ring (4) from hub (15). Discard
lockwashers and O-ring.
NOTE
Lockwasher 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 parts
weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person
lift, and over 150 lb (68 kg) for a three or more person lift. Keep clear of heavy parts
supported only by lifting device. Failure to follow this warning may cause serious injury
or 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