Maintenance concerns for good operation of DC motors

Successful long-term operation of DC motors and generators, like any piece of industrial equipment, needs maintenance. Scheduled periodic visual inspections and the recording of this data is valuable information when reviewing that machines´ performance. These written inspection reports perform much better than the memory of the maintenance technician or supervisor when questioning the performance history of a certain piece of equipment. A generic inspection record format is included along with guidelines to help make decisions on the health status of these motors. This paper expands on 10 major items of concern for successful long-term operation of DC machines.