When the Motor Runs Hot, Part 1 Dacian_G/iStock/Thinkstock

When the Motor Runs Hot, Part 1

Two options to consider when the temperature is out of spec.

Following your repair procedure, you use your handy infrared gun to measure temperatures at various points on the motor. Your repair procedure lists a high limit of 135°C for motors of this insulation class. But you read 152°C. The procedure doesn’t state what to do when the temperature is out of spec.

Should you replace this motor?

Maybe, because internal motor issues could be causing this high heat. But so could external motor issues. Here are two options to co

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