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EASA AR200-2021: Guide For The Repair Of Dry-Type Transformers

  • August 2021
  • Number of views: 162
  • Article rating: No rating
Booklet

This guide outlines best practices for the repair of dry-type transformers.

Tip for Vertical Hollow-Shaft Motor Assembly

  • July 2021
  • Number of views: 556
  • Article rating: No rating
Article

Vertical hollow-shaft motors present some unique reassembly challenges, one of which is setting end play. Here's a tip that applies to assembly of vertical hollow-shaft motors in the 320 to 440 frame drip-proof enclosures with grease lubricated lower guide bearings and oil-lubricated upper thrust bearings.

Good Practice Guide to Maintain Motor Efficiency

Based on the 2019 and 2003 Rewind Studies of premium efficiency, energy efficient, and IE2 (formerly EF1) motors

  • January 2021
  • Number of views: 3699
  • Article rating: 5.0
Booklet

Intended primarily for service center personnel, the guide which is now an independent document and not part of the complete EASA/AEMT rewind study report, outlines the good practice repair methods used to achieve the results given in both studies. It contains repair tips, relevant motor terminology, and information about sources of losses in induction motors that affect efficiency.

Rewind Study 2020: The Results Are In

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors

  • December 2020
  • Number of views: 2930
  • Article rating: 4.0
FREE for Members of EASA
Webinar recording

This webinar covers the results and the technical details of the recently completed follow-up to the 2003 EASA/AEMT Rewind Study.

Sleeve Bearing to Ball / Roller Bearing Conversion Procedures and Cautions

  • December 2020
  • Number of views: 2535
  • Article rating: 5.0
Article

There are times when an application calls for a motor to carry a radial load for which sleeve bearings are not suitable. In cases such as low rpm, unusual frames, etc., it may be desirable to convert a customer's existing sleeve bearing motor rather than obtaining a ball/roller replacement motor. This article contains suggested procedures as well as cautions about potential problems with such conversions.

Procedimientos y Precauciones al Convertir Cojinetes de Deslizamiento a Rodamientos de Bolas/Rodillos

  • December 2020
  • Number of views: 2333
  • Article rating: No rating
Article

Existen ocasiones en las que una aplicación requiere que un motor soporte una carga radial para la que los cojinetes de deslizamiento no son adecuados. En casos como bajas revoluciones, carcasas inusuales, etc., puede ser conveniente convertir el motor del cliente montado sobre cojinetes de deslizamiento envés de obtener un motor de repuesto con rodamientos de bolas / rodillos. Este artículo contiene procedimientos sugeridos y advertencias sobre problemas potenciales relacionados con dichas conversiones.

Causes and Solutions for Leaking Pump Mechanical Seals

  • October 2020
  • Number of views: 2250
  • Article rating: No rating
Article

It is commonly known that pump mechanical seals are temperamental devices that fail frequently. The fact is, mechanical seals are simple devices that are often misapplied, sometimes installed incorrectly, or perhaps installed on pumps that are not well suited for the application.

Causas y Soluciones de las Fugas en los Sellos Mecánicos de las Bombas

  • October 2020
  • Number of views: 1940
  • Article rating: 5.0
Article

Para aquellos que son nuevos en el negocio de la reparación de bombas, los sellos pueden resultar intimidantes, sin embargo, es bien conocido que los sellos mecánicos de las bombas son dispositivos temperamentales que fallan con frecuencia. El hecho es que los sellos mecánicos son dispositivos simples que a menudo son utilizados de forma inadecuada, algunas veces instalados incorrectamente o tal vez montados en bombas que no son aptas para la aplicación. En la mayoría de las aplicaciones, los sellos mecánicos son lo suficientemente macizos para tolerar condiciones de operación y de manejo menos óptimas. Para aplicaciones exigentes todo debe estar bien.

Working with the No Nameplate Motor

  • September 2020
  • Number of views: 1766
  • Article rating: 5.0
FREE for Members of EASA
Webinar recording

Customers will often send in a motor with no nameplate and having little knowledge of the machine’s ratings. This webinar guides attendees through the process of evaluating the machine using core size, winding data and diagnostic testing to assign reasonable ratings.

ANSI/EASA Standard AR100-2020: Recommended Practice for the Repair of Rotating Electrical Apparatus

  • September 2020
  • Number of views: 10081
  • Article rating: 3.7
Booklet

ANSI/EASA AR100 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.

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

LEARN MORE AND DOWNLOAD MÁS INFORMACIÓN Y DESCARGAR BUY PRINTED COPIES

READ MORE ABOUT THE FEATURES AND BENEFITS

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.

DOWNLOAD THE FULL RESULTS

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.

DOWNLOAD - ENGLISH

DESCARGAR - ESPAÑOL

EASA Technical Manual

EASA Technical Manual cover

Revised May 2021
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.

VIEW & DOWNLOAD