A large horse power Motor failed in the facility and the facility replaced the motor and the wiring between the motor and the starter. However, during Cooper Electric’s Annual Gear Maintenance and Cleaning we found that the actual source of the problem was a bad electrical termination on the C phas, inside of the distribution gear, which was actually the cause of the large horse power motor failure. Had we not found this and they started up the new motor, in all likelihood they would have destroyed yet another new motor.
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