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Equipment Management

Equipment and identification of electric motors

How to Store Your Electric Motors Off-Site

November 11, 2021

It’s the middle of the night and a key motor in your facility broke down. Every hour of delay is costing thousands of dollars. You pull a drop-in spare from on-site storage and it doesn’t work. It was ice cold when you pulled it out, the bearings are making odd noises, and it looks like …

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word chart for asset management system for plant floor

Is Your Equipment Asset Management System Ready to Save the Day?

June 17, 2021

I2021-06-Asset management system for plant floor-06-17-2021t has always amazed me how unprepared some businesses are in the event of a breakdown of critical equipment. These unplanned plant shutdowns can have a tremendous financial impact costing companies hundreds of thousands of dollars per hour. Almost every time that we help one of our clients through one …

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diagram of vertical flange runout for electric motor

Do Vertical Flange Mount Electric Motors Need to Be Aligned?

May 12, 2021

During failure investigations we often see misalignment on vertical motors as the failure mode and when we ask for alignment readings at time of installation, we often hear that the “motor and the base have a register fit and alignment isn’t required”. This is far from the truth. Let’s look at why alignment should at …

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Image of an air gapped motor

Importance of Air Gap in Electric Motors

May 19, 2020

The air gap refers to an actual physical gap in an electric motor that separates the moving rotor and the stator core. This gap is a necessary part of motor design and the size of the air gap is one of the keys to motor performance and reliability <INSERT LINK TO:https://www.hecoinc.com/heco-system/electric-motor-reliability>. The Case for a …

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Image of Synchronous Motor Brakedown

What is an AC Synchronous Motor?

July 2, 2019

An informative video about AC Synchronous Motors Below is a 5 minute video from an hour long presentation given by Todd Hatfield, Senior Electrical Engineer at HECO – All Systems Go, during the 2018 Reliability, Process, and Maintenance (RPM) Symposium. This clip covers the basis of synchronous motors and how they differ from induction motors. …

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image of a motor frame diagram

What Electric Motor Frame Sizes Tell You

June 5, 2019

It is standard to see the “frame” size on every electric motor nameplate, but do you understand what that frame means in regard to the mounting of the motor? Many have been in the situation where you needed a specific frame only to realize it was made with a special shaft or has a mounting …

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image of a very old electric motor

Selecting the Correct Motor Enclosure

May 14, 2019

Are you replacing your failed motor with the best motor for your application and environment? The easy part of replacing your motor is matching the frame size, horsepower, RPM, and voltage, but it may not always be wise to just replace the motor with a motor matching the same enclosure that you have always had. …

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Photo of a varnish treatment on a motor

Should I Varnish Dip My Motor Every Time?

May 23, 2018

I am often told “I want that motor varnish dipped too”, but is re-dipping a reconditioned motor really good for the motor? Using proper repair practices motors can be reconditioned and repaired many, many times. Putting varnish over varnish continually is not always in the best interest for that motor in the long term. Continually …

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spare motors being stored on shelves

Proper Storage Practices for Spare Electric Motors

April 18, 2018

Many companies have spare electric motors in their warehouse in the event of a critical motor failure. Many times this can be an intelligent decision, allowing for quick change out in the event of a failure (or pending failure) or during a scheduled outage or shutdown. It is important to have a plan for when …

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Common Preventable Electric Motor Failures: Bearings

January 4, 2018

The below video is a 15 minute segment of an hour long presentation given by Todd Hatfield of HECO at the 2017 Reliability, Process, and Maintenance (RPM) Symposium. This presentation discusses common preventable causes of electric motor failures. This section of the presentation discusses bearing related failures as bearings account for about 51% of all …

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