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Explosion Protected Motors - Inspection & Maintenance: City & Guilds Scqf Level 6

Duration 2 days
Time 08:30 - 16:30
Cost £627.00 + VAT
Venue Altens Training Centre


Date Time Cost Venue Places  
18 Jul - 19 Jul 2019 08:30 - 16:30 £627.00 + VAT Altens Training Centre 4
19 Sep - 20 Sep 2019 08:30 - 16:30 £627.00 + VAT Altens Training Centre 3
21 Nov - 22 Nov 2019 08:30 - 16:30 £627.00 + VAT Altens Training Centre 4

About this course

Practical Content 60% Theoretical Content 40%

Target Audience

Personnel involved in the inspection and maintenance of explosion protected electrical motors, and where practical competence in the dismantling, re-assembly and testing is required. Delegates should have previously attended hazardous areas courses because the principles of Explosion Protection for EEx'd'; EEx'e'; EEx'n' or N and EEx'p' will be presented as a refresher.

Course Aims

To raise the level of competence for inspection and maintenance personnel in the correct procedures for the overhaul of explosion protected motors and installation. To address the correct practices for carrying out such work in collaboration with the manufacturers procedures for motors and to consider the aspects of Certification.

Course Content

Properties of flammable materials. Gas and apparatus grouping. Area and temperature classification. Ingress protection. Standards, Certification and label reading. Principles of Flameproof EEx'd'; Increased Safety EEx'e'; Non-Incendive EExN'n' or N, EEx'p' protection.

Flameproof Ex'd' Motors:

  • Construction, Standards and Codes of Practice. Dismantling and inspection. Measurement of flamepaths. Bearing removal and fitting. Winding, cleaning and drying. Terminal marking. Electrical testing. Thermistors, RTD's. Anti-condensation heaters. Flamepaths. Reassembly.
  • Drive pulleys, pinions and couplings. Thermal overload devices and test running.

Increased Safety Ex'e' Motors:

  • Constructional features, specifically for the elimination of arcs/sparks and excessive surface temperatures.
  • Standards and Codes of Practice. Limitations of use. Selection of overload devices with regard to tE time and Ia/In current ratios.

Non-Incendive (Non-Sparking) EEx'n' or N Motors:

  • Constructional features. Relevant British Standards and Codes of Practice.

EEx'de' Motors:

  • Constructional features of such motors and terminal arrangements.
  • Constructional features. Relevant Standards and Codes of Practice. Applications. Consideration of High Voltage machines terminal arrangements. Consideration of the repair techniques permitted for Explosion Protected Motors.


The majority of this course is practical hands on training delivered by fully qualified and experienced ex industry personnel using equipment replicated from the onshore and offshore oil and gas working environment. Teaching aids include: Power point presentations, questionnaires, practical examples and demonstrations


City and Guilds SCQF Level 6 :Certificate

Minimum Instructor Qualification/Experience

  • Further Education Qualification and Approved Assessment/ Certification in Electrical Hazardous Areas Motor Repair Practices.

Min/Max Number of Delegates Required per Event


Times of Training

08:30 to 16:30.

Course finishes on day two at 12:00. Course duration and times may vary depending on delegate numbers.

Special Requirements

Delegates are required to supply their own PPE.


ASET International Oil & Gas Training Academy,
Aberdeen Altens Campus, Hareness Road, Aberdeen, AB12 3LE.

Note to Clients

The course will consider the practices set out by the motor manufacturer.


Very happy with this course, it has brought up my level of understanding

Tom Simpson
Wood Group PSN Ltd

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