4-37. HUB, WHEEL BEARING, AND BRAKEDRUM MAINTENANCE (M416A1) (Con't).
Brakedrum (11) with inner and outer bearing cups (3 and 5) should remain
assembled if brakedrum is to be repaired at direct support maintenance. If complete
disassembly is required, continue with step 3.
Remove inner and outer bearing cups (3 and 5).
Tap out 5 shoulder bolts (12) from brakedrums (11).
CLEANING AND INSPECTION
DO NOT handle brakeshoes, brakedrums, or other brake components unless area
has been properly cleaned. There may be asbestos dust on these components
which can be dangerous if you touch it or breathe it. Wear an approved filter mask
and gloves. Never use compressed air or a dry brush to clean brake components.
Dust may be removed using an industrial-type vacuum cleaner. Clean dust or mud
away from brake components with water and a wet, soft brush or cloth. Failure to
follow this warning may result in serious illness or death to personnel.
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 100 F-1300F (38 C-590C). If you
become dizzy while using cleaning solvent, immediately get fresh air and medical
help. If solvent contacts eyes, immediately wash your eyes and get medical aid.
If inner and outer bearings need replacing, inner and outer bearing cups must also
Clean all removed parts with dry cleaning solvent and dry thoroughly.