When the Motor Runs Hot, Part 4

When the Motor Runs Hot, Part 4

No motor overheating diagnosis is complete without looking at the supply power.

Following your repair procedure, you found the motor runs far too hot. Previously, we identified external factors (e.g., contaminants) and conditions (e.g., misalignment) that may be causing the overheating. But no motor overheating diagnosis is complete without looking at the supply power.

The power analyzer is the best tool for the job. Using this, you need to look at such things as:

Low or high voltage. Not just momentarily, but over time. Use a power analyz

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