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Stator Rewinds: When Things Get Tight

  • March 2024
  • Number of views: 492
  • Article rating: 4.0
Webinar recording

When preparing to rewind random or form-wound status, sometimes there just doesn’t seem to be enough room in the stator slot for the desired conductor area and insulation quantities. This presentation looks at balancing stator copper losses against insulation reliability.

Converting Vibration Units: Process and Solutions

  • March 2024
  • Number of views: 570
  • Article rating: No rating

As we communicate internationally, language barriers persist. In the technical fields, the metric-imperial units clash is slowly diminishing. Many vibration analysts are “bilingual” in that respect and are comfortable using either system. But for more casual users who may only encounter vibration data in regard to meeting specs, unfamiliar vibration amplitude units can be a challenge. 

Management Pulse Survey: Don’t Disregard Outside Assessments When Selecting New Team Members

  • March 2024
  • Number of views: 456
  • Article rating: No rating

See how 158 members responded to the Management Services Committee’s Pre-hire Assessment survey.

The Value of Industry Representation

Why It Matters to EASA and (Importantly!) You

  • March 2024
  • Number of views: 324
  • Article rating: No rating

As a benefit of membership in EASA, we get (literally) an army of people every day to represent our interests in industry and government regulations. And they often provide us with valuable insight and positive change to “the way we’ve always done it.”

Axial Thrust in Rotodynamic (Centrifugal) Pumps

  • February 2024
  • Number of views: 1385
  • Article rating: No rating
Webinar recording

When repairing centrifugal and axial flow pumps, axial thrust is a concern. An understanding of the causes and the mitigating provisions of various pump designs will help repair technicians to ensure those provisions work properly.

Common Motor Issues in the Service Center

  • February 2024
  • Number of views: 1085
  • Article rating: 4.0

Three of the most common three-phase motor problems we receive inquiries about are:

  1. “The motor is drawing high no-load current.”
  2. “The current of the three line leads is not balanced.”
  3. “The motor is running hot.”

Even if you have never faced one of these issues, read on because it is almost inevitable that you will, and you will want to know what to do about it.


Beware of PCBs! (Poly-Chlorinated BiPhenyls)

  • February 2024
  • Number of views: 753
  • Article rating: No rating

PCBs have been identified as a likely carcinogen for humans. If your service center is asked to pick up equipment that you suspect MAY contain PCBs, have it field tested BEFORE picking it up. Once you pick up a device that contains PCBs, the responsibility is yours.

Safety in the Service Center

  • January 2024
  • Number of views: 1059
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This presentation addresses many of the most common safety hazards and situations that face service centers.

Adjusting End Play on Vertical Pump Motors

  • January 2024
  • Number of views: 1330
  • Article rating: No rating

This video walks through the steps to adjust and set end play on a typical vertical hollow shaft pump motor.

Vertical Machines with Spherical Roller Thrust Bearings

  • January 2024
  • Number of views: 1482
  • Article rating: No rating

One aspect of our repair industry that seems to cause a lot of confusion is the bearing arrangements of vertical motors. There is quite an assortment of thrust bearing arrangements, and we tend to try to apply the same method for adjusting end play to all of them. That is often a bad idea, so this article will take a closer look specifically at those fitted with a spherical roller thrust bearing and repair tips unique to these designs.

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.

This booklet covers topics such as:

  • Installation, startup and baseline information
  • Operational monitoring and maintenance
  • Motor and baseline installation data
  • How to read a motor nameplate
  • Motor storage recommendations



EASA/AEMT Rewind Study

EASA Rewind Study cover

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.


ANSI/EASA AR100-2020

ANSI/EASA AR100-2015 cover

Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.



EASA Technical Manual

EASA Technical Manual cover

Revised September 2022
The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.