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Mechanical Repair Fundamentals of Electric Motors (2nd Edition)

Event specifics
Type of education: 
Date of the event: 
Friday, April 5, 2019 to Saturday, April 6, 2019
Discount deadline: 
Thursday, March 14, 2019
Tom Bishop, P.E., EASA Senior Technical Support Specialist

About the program
"Mechanical Repair Fundamentals of Electric Motors, 2nd Edition" addresses the basic mechanical aspects of motor repair. This latest edition expands the content of the original seminar by more than 50%!

Discussion will cover basic materials and their characteristics, the loading and stresses involved, the most common failure modes and patterns along with recommended repair practices as they relate to applications.

Seminar highlights

  • Inspection & Disassembly
    • Disassembly tips & procedures
    • Time- and labor-saving ideas
  • Enclosures
    • Suitability of various designs
    • Frame repair methods
    • Fans and air deflectors
  • Shafts
    • Step-by-step replacement procedures
    • Materials and design features
    • Fits, clearances and importance of finish
  • Rotors
    • Aluminum vs. copper
    • Material/construction
    • Performance characteristics
  • Bearings
    • Types: ball, roller, sleeve, hydrodynamic
    • Installation and handling
    • Special modifications:
      • Roller-to-ball conversion
      • Vertical mounting of horizontal motors
      • Severe duty applications
    • Lubrication systems
    • Sleeve bearing repair
  • Seals
    • Labyrinth seal design
    • Repair methods
    • Aftermarket seal modifications: lip seals, non-contact bearing isolators
  • Assembly
    • Horizontal motors
    • Vertical motors
  • Motor Dynamics
    • Alignment (internal and external)
    • Importance of air gap
    • Dynamic balancing (emphasis on 2-poles)
  • Special Sections
    • Shaft currents and corrective measures
    • Explosion-proof motor repair


Who should attend
This seminar will benefit supervisors, mechanics and machinists, and anyone involved in the repair decision-making process. A basic understanding of motor terminology is recommended.

What to bring
Instructional items will be provided. You should need only note-taking materials.

Class hours
Friday: 8:00 a.m. - 5:00 p.m.
Saturday: 8:00 a.m. - 3:30 p.m.

Member price: 
$489 per person ($529 after the discount deadline)
Nonmember price: 
$589 per person ($629 after the discount deadline)
Hotel information

Crowne Plaza St. Louis Airport
11228 Lone Eagle Drive
Bridgeton, MO 63044

Rate: $101. Rate good through 3/14/2019.
Block code E3A
Reservation phone number: +1 314 291 6700. (Be sure to mention yourself as being with EASA.)

Click to view hotel website