Motor Repair Services

Motor repair services rebuild and refurbish used motors. Some have cleanrooms and testing facilities, and certifications from the International Standards Organization (ISO) and original equipment manufacturers (OEMs). Motor repair services may specialize in rebuilding and refurbishing AC motors, DC motors, AC servomotors, DC servomotors, gearmotors, stepper motors, hydraulic motors, or linear motors. Some companies service a wide range of products. Motor repair services disassemble and clean motors, assess them for damage, and then repair or replace parts. Reassembly is also required. Depending on a motor’s construction and condition, rewinding may be necessary. Servo motors are more complex than standard electric motors, and typically require motor repair services with specialized facilities and expertise.

Motor repair services disassemble motors to correct problems caused by mechanical failures, most of which are associated with bearings. They clean accumulated dirt and dust from ventilation passages, reduce excessive vibration, install properly-sized overload protection, and dry moisture in the motor’s windings. The cause of the motor failure and the effect of downtime are factors to consider when deciding whether to repair or replace a used motor. Motor maintenance and energy costs are also important to consider. In addition to the materials used, the experience of the motor repair service can determine whether a repaired motor is as reliable as rewound motor. In some cases, motor repair services may recommend installing components that comply with the requirements of a higher temperature class.

Motor repair services may restore a motor’s shaft or housing surface, bore or bush the end-brackets, or correct so-called "soft foot"conditions. They can analyze motor failures, redesign the motor or replace damaged parts, and correct improper operating conditions. Motor repair services may also provide additional services such as electrical redesigns, insulation upgrades, and mechanical modifications. Some companies may install high-temperature bearings and grease, or use multiple dip-and-bake varnish cycles. Motor repair services that specialize in vacuum pressure impregnation (VPI), epoxy treatments, dynamic balancing, and dynamometer testing are also available. Dynamometers are used in motor and engine testing to apply braking or drag resistance to rotation, and to measure torque at various speeds and power levels.

• Advanced Energy
  RALEIGH--Led by a team of maintenance and reliability experts from the Cargill Maintenance & Reliability Center of Excellence and Allied Services Group, a new motor repair specification is born. This...
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• Ship's Steering Gear Motor Problem Diagnosed Using IR Technology (.pdf)
  The Queen of Saanich Ro-Ro Passenger Ferry experienced a high temperature bearing problem with one of its main steering gear motors. IR analysis showed the non drive end thrust bearing as the source...
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• OSHA Pump Regulations
  Automotive service station shall mean that portion of property where flammable or combustible liquids used as motor fuels are stored and dispensed from fixed equipment into the fuel tanks of motor...
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