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Webinar Recordings

Air Gap: What Is It, What Does It Do, and Why Is It Important?

  • October 2019
  • Number of views: 325
Webinar recording

The physical air gap between the rotor or armature and the stator or field frame is complex and plays a critical role in the performance of AC and DC machines. Most repairers do not realize how little they understand about this subject.

Lean: Improve Your Shop Efficiency and Productivity

Introduction to 5S

  • January 2019
  • Number of views: 129
Webinar recording

This recording will help you get organized using the “5+1 S Series.” Learn how each “S” can help you with a path to productivity by becoming more efficient, or lean.

Motor Temperature Rise and Methods to Increase Winding Life

  • December 2018
  • Number of views: 71
Webinar recording

This webinar recording discusses:

  • Temperature rise (Method of detection, Insulation class, Enclosure, Service Factor)
  • Increasing winding life (Insulation class, Cooling system, Winding redesign)

Vertical Turbine Pump Shaft & Bearing Types, Fits and Clearance

  • November 2018
  • Number of views: 101
Webinar recording

This webinar recording covers:

  • Shaft material and specs
  • Shaft coupling types
  • Machining for shafts
  • Bronze, plastic, graphite and cutlass bearing options
  • Bearing clearance concerns and reference data 
  • Bearing housing fits

How to Construct and Operate a Temporary Bake Oven

  • October 2018
  • Number of views: 58
Webinar recording

This webinar demonstrates an easy-to-build temporary oven that can be constructed in the service center or in site.

2-Speed, 2-Winding Pole Group Connections

  • September 2018
  • Number of views: 60
Webinar recording

The topics covered included in this webinar recording:

  • One circuit wye connection — Best , no parallel paths, turns per coil may prevent this
  • Delta or multiple parallel circuits—Produces closed circuits, Circulating currents
  • Open delta (4 wire connection)
  • Permissible connections—Skip pole, adjacent pole
  • Determined by speed combination

AC Motor Assembly and Testing

  • August 2018
  • Number of views: 73
Webinar recording

This webinar recording focuses on:

  • Motor assembly issues
  • Electrical and mechanical inspection
  • Static and run testing
  • AC motors with ball, roller and sleeve bearings

ANSI's New Shaft Alignment Standard

  • July 2018
  • Number of views: 68
Webinar recording

This webinar introduces you to ANSI's new shaft alignment standard.
Topics covered include:

  • A discussion of alignment Quality grades, AL 1.2, AL 2.2, AL 4.5
  • Shaft alignment tolerances
  • Issues affecting measurements
  • Conditions affecting alignment stability

Wire Size Changes 101: Tools and Methods for Avoiding Costly Mistakes with the Most Common Redesign

  • June 2018
  • Number of views: 54
Webinar recording

This webinar focuses on:

  • Proper wire measurements
  • Metric and AWG sizing
  • Aluminum to copper
  • Random to form wound and vice versa
  • Stator windings, field windings, interpoles
  • Using wire combination tables
  • Using EASA’s AC Motor Verification & Redesign software

Using Variable-Speed Drives to Improve Pump System Efficiency

  • May 2018
  • Number of views: 46
Webinar recording

This webinar discusses:

  • Potential savings for pump operations
  • How service centers can profit
  • Identifying system benefits