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Electric Motor Preventive Maintenance


Motor Diagnostic Systems is proud to be your go-to supplier of electrical test equipment, motor testing, and a number of other services that can help you keep your operation running smoothly. Whether you need a short-term rental while a piece of equipment is undergoing repairs or you’re looking for a reliable company to perform routine maintenance, the Motor Diagnostic Systems team can help. Read on to learn more about our services, and get in touch with us to learn more about what we can do for you!

BE AWARE OF MOTOR CONDITION EVEN WHEN IT ISN’T RUNNING

Electrical Motor and Generator Preventative  Maintenance

Preventive maintenance is usually defined as maintenance of equipment or systems before a fault or failure occurs. While preventive maintenance is worthwhile, there are risks to relying solely on this type of maintenance. Equipment failure can occur due to human error, weather problems and many other types of environmental contaminates that are not taken into account. Preventive maintenance takes a proactive approach to scheduled overhauls or replacement of components. However, it does not take into account the day to day problems that can occur. Common methods to determine what maintenance activity or other failure management policies should be applied are; manufacturer recommendations, requirements of codes or legislation, what an expert in the specific industry suggests, maintenance that is done on similar equipment, and most importantly measured values and performance indications.


Tools to assist the maintenance professional in quickly indicating if a problem exists are limited and often overlooked in the planning of preventive maintenance. Time saving mechanisms can not only save time but huge amounts of money and don’t have to involve complicated testing regimes.


For instance what protects an electric motor from absorbing water? Water intrusion is a significant problem with motors. Condensation is one way that causes water intrusion. The thermal mass of the motor causes it to lag behind ambient temperature. When the motor is cooler than the dew-point, water droplets condense out of the air and deposit on the motor, including the interior spaces. Why? Because the interior spaces temperature lags behind the furthest, leading to the greatest delta in temperature. Once inside, it is extremely difficult to force back out, leaving the electric motor virtually unusable.


Motor heaters are used to keep the motor and its interior spaces above ambient temperature – but what ensures these heaters functionality? Usually nothing.

Other Services Include:

  • ANSI/NIST traceable calibration on surge testers, AC/DC high potential testers, resistance bridges, etc.
  • Repair of many electrical manufacturers test equipment, including surge/DC Hipot, AC Hipot, resistance, motor monitoring, quality control & OEM systems.
  • On-site & Remote Calibration services are available. Shipping your valuable equipment puts it at risk of being damaged in transit. Because we always aim to accommodate your specific needs, contact us to schedule periodic calibration, so as to save yourself both time and money.
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Interested in our services? We’re here to help!

Since 2007, Motor Diagnostic Systems has been dedicated to providing exceptional service and the best selection of electrical test equipment on the market. No matter what product or service you need, you can count on us to make sure that you can access it at an affordable price and on a timeline that works for you and your operation.


If you would like to learn more about motor testing services, authorized service and maintenance, rent-to-own equipment, or anything else that we offer, please give us a call or get in touch with us through our online contact form.


We look forward to working with you!

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Industry Leader

We’ve been in the business since 2007, and have been a leader in the field ever since. We take pride in sharing the  experience we’ve acquired. 

Quality Guaranteed

Cutting corners is not an option at our company. We do everything as thoroughly as we can, from the beginning to the end. No excuses and no shortcuts allowed. 

High Expectations

Friendly and Knowledgeable staff

Top-Of-The-Line Equipment from trusted manufacturers.  Detailed and Transparent Quotes

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