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Motor Repair Case Studies


Here’s some examples of how we are different:


repaired, cleaned, and coated rotor

9000HP Boiler Feed Pump Motor Rotor Case Study

On March 09, 2015, HECO was called in to help evaluate vibration and noise concerns with a coal-fired power generation plant’s Boiler Feed Pump Motor. (9000HP, 1800RPM, 13,200v, Siemens Allis). Initial information from the plant vibration team indicated rotor related issues.

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More information on this case study:

On-Site Findings
In-Shop Findings
Repairs Taken & Results


component parts of a coal crusher motor

800HP Coal Crusher Electric Motor Repair Case Study

This is an electric motor repair case study on a 800HP, 900RPM, 4000V Coal Crusher Motor for a Midwest-US based coal fired power generation plant. In 2006 the utility came to HECO after years of repetitive failures circling around the electric motor’s rotor.

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What to Look for in an Electric Motor Repair Shop

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What to Look for in an Electric Motor Repair Shop Ebook