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Electrical Troubleshooting Quiz — July 2, 2019

Figuring out how bearings are being damaged

The plant hired a new mechanical maintenance manager a few months ago. Yesterday, he spoke to you about the ultrasonic analysis program he started a few weeks after he hired on and said, “I’m actually getting in trouble with this program. They are finding a lot of damaged bearings with this method and now the plant manager and the controller are questioning its validity. They are concerned it is finding false positives and driving up costs. The fox needs to stop chasing its tail. Could

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