Mechanical Repair Fundamentals of Electric Motors (2nd Edition) seminar
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.
Location
For hotel reservations, call 1-800-328-9297 and mention you are with EASA. Rate: $85 per night.
Tom Bishop, P.E.
EASA Senior Technical Support Specialist
Tom Bishop is a senior technical support specialist with the Electrical Apparatus Service Association (EASA). Bishop joined the EASA staff in 2002 with over 30 years of hands-on and engineering experience at electrical machinery manufacturing and apparatus service firms. He has a BS in Electrical Engineering and is a licensed professional engineer.
Bishop has authored dozens of technical articles and papers, and presented numerous seminars on electric motor application, maintenance and repair. In addition, he is chairman of EASA’s Technical Services Committee and a principal member of the National Fire Protection Association Electrical Equipment Maintenance Committee (NFPA 70B).
314-993-2220, Ext. 3336
tbishop@easa.com
Refunds for seminar cancellations will be made only if requested from EASA Headquarters no later than 60 days after the close of the seminar. Charges for seminar cancellations will be made on the following basis:
| Notice before seminar | Service charge |
| Greater than 3 weeks | No charge |
| 1 to 3 weeks | 30 percent |
| Less than 1 week | 50 percent |
As mentioned above, EASA reserves the right to cancel seminars for which enrollment is insufficient. Consequently, EASA advises against making non-cancelable airline reservations unless and until you are notified that the seminar will definitely be held.
If insufficient enrollment makes it necessary to cancel a program, EASA will notify registrants at least 14 days in advance.
If you have not received confirmation of your registration from EASA Headquarters, be sure to call EASA before traveling to the seminar site.
EASA reserves the right to provide a substitute instructor if the scheduled presenter is not available due to unforeseen circumstances. Note: Some instructors are independent contractors and not employees of EASA. The accuracy of the advice and representations rendered by these instructors cannot be confirmed nor necessarily endorsed by EASA.