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Cavitation in a Pump

What is Cavitation & What Are the Causes of Cavitation?

March 1, 2022

Maybe you’ve got a centrifugal pump that sounds like it’s full of rocks, marbles, or gravel. That is a sign of cavitation — which can total your pump if you don’t track down the cause. But what is cavitation anyway? The official definition of cavitation is what occurs within a pump when the static pressure …

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Engineer selecting right bearing for electric motor

Is Repairing Your Electric Motor Still a Viable Option?

January 31, 2022

Repairing is still a viable option when your motor fails — when the repair is done correctly. Find out when it makes sense to have your electric motor repaired and what you need to consider when choosing the vendor. When to Repair Your Electric Motors The decision to repair or replace can be a tricky …

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Predictive Technologies

How to Apply Predictive Technologies & Maintenance

November 23, 2021

You know that maintenance and repair costs, downtime, and productivity all have a major impact on the bottom line…and you’re always on the lookout for ways to have a positive impact on the bottom line. The good news is the smart use of predictive technologies can do just that! What are Predictive Technologies? Predictive technologies …

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Angry Image of Man

Are Repair and Reliability Enemies?!

November 18, 2021

At my core, I am an electric motor guy, more specifically an electric motor repair guy – or at least that’s what I have always thought. I am a fourth-generation family member in the electric motor repair industry. I am the President of a large primarily electric motor company with various divisions including electric motor …

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Bob Bolhuis

What Does EASA Accreditation Mean to Me?

October 29, 2021

Of the many things that our company has to be proud of and is often talked about, is our EASA Accreditation. The accreditation is often mentioned to our customers when speaking on some of the quality standards that we follow. Now, there have been times when we need to first explain that EASA is an …

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vibration analysis magnifying glass part 2

Vibration Analysis Equipment: Sensors and Hardware (Series)

July 23, 2021

This blog post continues an 8-part series on vibration analysis written by Dr. Sara McCaslin & Nolan Crowley, Business Development Manager at HECO. Dr. Sara McCaslin: Sara has a Ph.D. in mechanical engineering from the University of Texas at Arlington. Sara has also taught materials science, manufacturing, and mechanical system design at the University of …

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Photo of a man with a question mark for a head - confused maintenance manager

What’s the Average Lead Time on Electric Motor Repairs?

July 8, 2021

What’s the average lead time on electric motor repairs? That question comes up often and can be difficult to answer. The lead time for a motor repair depends on several factors. If you want a repair that increases the reliability of your motor, it’s almost impossible to provide an accurate lead time estimate before knowing …

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image of degaussing a shaft for electric motor repair

Magnetic Degaussing: Why it is Critical for Electric Motor Repair?

May 4, 2021

One of the extra steps we can perform at HECO when performing repairs, maintenance, or rebuilds on your electric motors is magnetic degaussing. While some may feel this step is unnecessary, experience has taught us that it can help prolong the life of your bearings and your motor! Why Magnetic Degaussing of Motor Components is …

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GE Ultra 841

Considerations when repairing a Two-Pole (3600 RPM) Electric Motor

December 16, 2020

(ADD VIDEO: Motor Repair Process Inspections on 3600RPM 2 pole motor special process – YouTube) Two-pole motors can be more challenging to repair because of the vibration issues that can be related to the units operating at higher speeds, which means there are special tests that need to be performed on them. Without checking characteristics …

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Image of a sleeve bearing

Types of Sleeve Bearings & Sleeve Bearing Repair

April 18, 2020

Bearings <INSERT LINK TO:> account for about 51% of all electric motor failures and the most common sources of failure involve normal wear and tear, lubrication issues, contamination, or electrical damage that affects the bearing surfaces. While rolling element bearings are the most common type of bearing, sleeve bearings are found most often in …

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