TM 9-2330-390-14&P
4-75.
HUB, BRAKEDRUM, AND WHEEL BEARINGS MAINTENANCE (Con't).
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.
1.
Remove inner and outer bearing cups (14 and 16) from hub (15).
2.
Remove ten studs (9) and separate hub (15) and brakedrum (10).
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with skin,
eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or
excessive heat. The solvent’s flash point is 100oF-138°F (38oC-59°C). If you
become dizzy while using cleaning solvent, immediately get fresh ailr and medical help.
if solvent contacts eyes, immediately wash your eyes and seek medical attention.
1.
Clean and inspect bearing cones and bearing cups in accordance with TM 9-214. If any bearing cone or
bearing cup is damaged, all bearing cones and bearing cups must be replaced.
2.
Clean all other components and spindle with dry cleaning solvent and dry with a clean rag.
4-193
