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Repairing AC Motor Covered in Corn

This 250 HP, 1,800 RPM AC electric motor failed as a result of inefficient cooling due to corn product buildup. The excessive thermal conditions resulted in insulation degradation and a grounded winding. Our observations of the damage included:

To return the motor to working order, Bodine sleeved the housing, and fabricated and installed a new shaft. Bearing isolators were installed, the stator was rewound, the bearings were replaced and the rotor assembly was balanced before reassembling the motor.