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Judgment & ambiguity · When to act

Vibration monitoring on a critical motor shows a rising trend that could mean a bearing is starting to fail, but the machine is running fine and a planned shutdown is three weeks out. Do you pull it now or ride it to the scheduled window?

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A rising vibration trend is real information, but 'rising' isn't the same as 'imminent,' so I don't teardown on the trend alone and I don't blindly ride it to the window either.

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