TM 10-4320-307-24
3-11
MECHANICAL SEAL AND BEARING ASSEMBLY REPAIR/REPLACE (CONT).
CLEANING/INSPECTION/REPAIR:
Dry cleaning solvent is potentially dangerous. Avoid repeated and prolonged breathing of
vapors and skin contact with the liquid. Do not use near open flame, arcing equipment, or other
Ignition sources. Always wear eye protection and protective clothing.
Death or serious injury could occur if compressed air is directed against the skin. Do not use
compressed air for cleaning or drying unless the pressure is/has been reduced to 30 psi (2.11
kgcm2) or less. When working with compressed air always use chip guards, eye protection, and
other personal protective equipment.
1.
Clean bearing housing assembly metal components with dry cleaning solvent and dry with compressed air.
2.
Inspect bearing housing for cracks, rust, corrosion, or other damage. Inspect for excessive wear around mounting
holes and main bore. Clean interior of mounting surfaces. Clean and refinish outside surface. If housing is
severely damaged, cracked, or wom, replace unit.
CAUTION
Do not rotate bearings with compressed air.
3.
Inspect bearings for rough or tight spots. Replace bearings if rough or tight. Inspect bearing exterior for rust,
corrosion, or other damage. Replace bearings if damaged.
4.
Inspect shaft for excessive wear, rust, corrosion, or other damage. If shaft is to be replaced, contact general
support maintenance.
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