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ANSI/EASA AR100-2020 cover

ANSI/EASA Standard AR100-2020
ANSI/EASA AR100-2020: Recommended Practice for the Repair of Rotating Electrical Apparatus is a must-have guide to the repair of rotating electrical machines. It establishes recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

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Questions?

For information about ANSI/EASA AR100 or questions about the work on this standard, contact:

Mike Howell, PE
EASA Technical Support Specialist
+1 314 993 2220
mhowell@easa.com

ANSI Accredited Standards Developer Information

EASA Technical Manual

  • September 2022
  • Number of views: 29617
  • Article rating: .6
FREE for Members of EASA

Revised September 2022!
EASA's most comprehensive technical document is available FREE to EASA members. Download the complete manual or just the sections you're interested in.

Motor Cleaning Methods and Selection Factors

  • June 2020
  • Number of views: 9752
  • Article rating: 4.3
FREE for Members of EASA

Cleaning of electric motor parts is performed in every electrical apparatus service center. This begs the question of whether or not cleaning is being done productively and with minimal safety and environmental consequences.

Motor Shipping 101

  • April 2020
  • Number of views: 8966
  • Article rating: 5.0

It’s easy to assume that shipping an electric motor is as simple as putting it on a truck, but nothing could be further from the truth. This article will cover shipping tips and reinforce the fact that shipping includes picking up the motor – not just delivering it. There are some things we (or a trucking company) can do wrong that could result in expensive repairs.

OSHA: Guidance on Preparing Workplaces for COVID-19

  • March 2020
  • Number of views: 8924
  • Article rating: 4.5

The Occupational Safety and Health Administration (OSHA) developed this COVID-19 planning guidance based on traditional infection prevention and industrial hygiene practices. It focuses on the need for employers to implement engineering, administrative, and work practice controls and personal protective equipment (PPE), as well as considerations for doing so.

Environmental Audit Questionnaire

  • June 2014
  • Number of views: 8754
  • Article rating: 4.5

This document will help you examine and access your service center's preparedness on a wide range of environmental safety topics.

Two case history examples point to need for caution with metal spray

  • June 2018
  • Number of views: 8444
  • Article rating: 5.0

Two case histories point out the need for caution when working with metal sprayed shafts:

  • Example 1: When measuring the bearing fit shaft size, the micrometer didn’t feel right; mushy, not solid, although the journal was very close to the specified size. After using two micrometers to experiment with one of these frosted fits, it was discovered that the measurement on one micrometer changed when tightening down the other micrometer and vice versa.
  • Example 2: The bearing journals on a large armature began to fail while the armature was coming up to speed in balance stand.

Fall Protection: Preventing Avoidable Accidents

  • April 2020
  • Number of views: 8382
  • Article rating: 4.5

The U.S. Occupational Safety and Hazard Administration (OSHA) recently released revised data for the top 10 OSHA violations for the 2019 fiscal year. For the ninth consecutive year, Standard Number 1926.501: General Requirements for Fall Protection lands at number one with 7,014 violations. This article will help you avoid violating this important standard ... or better yet, avoid an employee injury.

Failure Analysis of Shafts and Fasteners

  • June 2014
  • Number of views: 7932
  • Article rating: No rating

This technical paper, presented at the 2014 EASA Convention, will help you understand how and why shafts and fasteners fail.

Important Considerations for Accommodating Pump Repair in Your Service Center

  • June 2020
  • Number of views: 7482
  • Article rating: No rating

It happens to just about every EASA service center. A machine shows up for repair; it has leads, and there’s a motor, but the machine is a pump. Most often, it’s a close-coupled pump or a submersible pump. If your response is, “We don’t work on those here,” because you’re thinking, “We don’t know anything about repairing pumps,” you may be turning your back on some very profitable work.

Consideraciones Importantes Para Acondicionar la Reparación de Bombas en su Centro de Servicio

  • June 2020
  • Number of views: 7355
  • Article rating: No rating

Esto sucede en casi todos los centros de servicio de EASA, aparece una máquina para reparación, con cables y un motor, pero es una bomba. A menudo es una bomba sumergible o de acoplamiento cerrado. Si su respuesta es: “Aquí no reparamos estos equipos” y está pensando: “Nosotros no sabemos nada sobre reparación de bombas” puede que le esté dando la espalda a un trabajo muy rentable.

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.

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EASA Good Practice Guide

Good Practice Guide to Maintain Motor Efficiency
Based on the 2019 and 2003 Rewind Studies of premium efficiency, energy efficient, IE2 (formerly EF1) and IE3 motors

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