Bearing Cleaning
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Cleaning
your bearings properly is a labor of love. It takes time and some
persistence, but can pay of in smooth spinning, quiet bearings. The key is
to follow the procedure carefully.
1. Remove the side shields.
2. Clean the bearings, filter the cleaner through a paper
towel, and then clean them again.
3. Dry the bearings completely either by leaving the
bearing overnight or use a blow dryer. It is important to dry the bearing
properly for incase if any solvent is left, the new lubricant will breakdown
faster.
4. Relube the bearings with the oil/grease.
Use separate containers for rough cleaning and final cleaning, and provide
a screen to support a bearing. Paraffin or liquid gasoline may be used for
cleaning. The inner and the outer ring should not be rotated while cleaning
as they may get damaged. They should be left in oil preferably heated (not
more then 120°C) for effective cleaning. During the final cleaning
while the bearing is immersed in the clean solvent, the rings may be rotated
for cleaning from inside.
To check the bearing after cleaning, hold the inner ring horizontally with
one hand and spin the outer ring. If the bearing is faulty, a vibration will
be felt in the hand.
