PROCESSTEC ViscoTwin 130 G8 Operation & Maintenance Manual page 117

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Bearing Quality
If a bearing fails to meet industry standards, it will be unable to distribute force on the rollers/balls even-
ly. Failing to meet these standards will not only create metal particles in the oil and increase operating
temperature, it could also imbalance the pump shaft. It is essential that the pumps only use high-quality
bearings with tight tolerances.
To ensure your bearing is functioning correctly, check the following things:
All roller balls are present in the ball bearing
When rotated, all rollerballs make contact with both surfaces and roll and don't slip
Make sure there is very little play when holding the exterior ring and applying force
to the side with the larger interior ring
Look for perfectly round roller balls. Any discoloration and dents can be a sign of a
bad bearing
PROCESSTEC INC. 2022
6. GEEK'S CORNER
Page 111

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