2.23.2 Hub and Wheel Bearing Maintenance.(Continued)b .Remove outer bearing cone (5), hub (6); then remove inner cup (7), innerbearing cone (8), seal (9), and outer cup (10) from hub (6). Discard seal(9) .2.23.2.2 Repair.a.Wipe all components free of grease and dirt.Do not use cleaning solvent without proper ventilation and clothing. Do notsmoke or use near open flame or excessive heat. Dry cleaning solvent ispotentially dangerous to personnel and property. Clean parts in a well-ventilated area. Avoid inhalation of solvent fumes. Wear goggles and rubbergloves to protect eyes and skin. Wash exposed skin thoroughly. Failure toobey this warning may result in personal injury or death.If bearing cone or cup is damaged replace both components as a set.b .Inspect bearings (5 and 8) for pitting, scratches, wear, and other damage. Ifbearing (5 or 8) is reused clean thoroughly with cleaning solvent and drythoroughly.c .Inspect all components and mounting hardware for damage.d.Replace all defective components.If bearing packer is not available, lubricate bearings by hand by kneadinggrease into and around each and every roller.2.23.2.3 Service.Pack bearing assemblies (5 and 8).2.23.2.4 Installation.a .Install outer cup (10) in hub (6).b .Install new seal (9), inner bearing cone (8), inner cup (7), and hub (6).c .Install outer bearing cone (5) and washer (4).d .While rotating hub (6), install castle nut (3) until drag is felt.e .Back off castle nut (3) until new cotter pin (2) can be installed.f .Install new cotter pin (2) and grease cap (1).I fTM 10-4320-344-24NOTENOTE2-380
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