This technical guide outlines how thermal imaging is used to troubleshoot and monitor motors and drives as part of preventive and predictive maintenance programs. It explains why inspections should be performed under sufficient load, how to establish baseline thermal profiles, and which components to scan, including bearings, couplings, and gearboxes. The document details common abnormal heat patterns associated with misalignment, inadequate cooling, lubrication issues, power quality problems, bearing degradation, and insulation failure. Regular thermal inspection routes are emphasized as a practical way to detect emerging faults early, verify repair effectiveness, and reduce unexpected motor failures.

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