Ex Motor Repair & Overhaul - Advanced

3 days

9AM - 5PM


Course Overview

Our competence based course, accredited by City & Guilds, is designed to give an in-depth understanding of the repair and overhaul of Ex electric motors for use in potentially explosive atmospheres. The course explains the inspection and repair requirements for different types of motors and the various tests that may need to be conducted to assist with condition monitoring. The course content also includes the legal and quality assurance responsibilities as detailed in the relevant CENELEC and IEC 60079 standards.

Course Content

  • Repair methods of Ex d, e & n type motors
  • Performance tests—magnetic flux, partial discharge
  • Motor load & no-load tests
  • Motor Inspection, Mechanical: Ext/int. cooling, coupling, oil/greasing, bearing/housing, Electrical: Insulation, winding, PI, PD, phase rotation, auxiliary equipment
  • Rewinding & windings treatment
  • Rotor & stator types, checks, failures
  • Rotor lining out & balancing
  • Legal requirements & safe working practices
  • Certification, documentation (reports & records) & labelling
  • Quality assurance requirements
  • Appreciation of manufacturers requirements
  • Practical disassembly & Assembly of motors
  • Written assessment

Target Audience

Personnel with electrical or mechanical background within industry who require to advance their existing competency and knowledge of the repair and overhaul of motors for use in hazardous areas. Also suitable for engineers/technicians engaged in the procedures for inspections and managers/supervisors involved with compliance of manufacturers documentation and quality assurance requirements.


Available upon request, please phone 01224 798635 or email info@epitgroup.com to arrange a suitable date.

Additional Information:

Blackburn Industrial Estate


AB21 0RX


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Duration 3 days
Lunch Included
Min/Max delegates 4/12
Special requirements PPE
Certification A certificate of competence will be provided, valid for 5 years.
  • I enjoyed the course and found it useful, especially since my background is in instrumentation. Our instructor Henry was excellent, he was very knowledgeable and good at presenting the course. He was very keen to engage our group and promote discussion.
    – Iain Boyland, Asset Care Engineering - Electrical & Instrumentation, Petroineos

Get in touch

to enquire further

01224 798635