Mechanical Engineering

ECITB MJI 33: Torque and Tension Wind Turbine Bolted Connections

Duration:  1 day
Per Delegate:  ¬£305.00

Practical Content


Theoretical Content


Delegates will be required to complete the ECITB PAM31 form prior to attendance.

Key Learning Outcomes

  • Recgonise which sections of a wind turbine may require hydraulic torqueing or tensioning
  • Understand bolt assemblies used in wind turbine joint sections
  • Understand the basic principles of hand torque tightening
  • Understand the basic principles of hydraulic torque tightening of wind turbine joint sections
  • Understand health and safety requirements specific to the operation of hydraulic torque and tensioning equipment
  • Correctly torque bolts using hand and hydraulic tools
  • Correctly tension bolts using hydraulic tools

Course Content

  • Wind turbine sections
  • Bolt components
  • Stud and bolt specifications
  • Application and functions of hand torque tightening
  • Application and functions of hydraulic torque equipment
  • Application and functions of hydraulic tensioning equipment
  • Hazards associated with hydraulic torque and tension activities
  • Preparation of materials, equipment and tools
  • Procedures for use of hand torque wrench and impact socket
  • Procedures for use of hydraulic torque equipment on wind turbine joint sections
  • Relevant procedures for use of wind turbine specific hydraulic tensioning equipment on jointed sections
  • De-pressurise, disconnect and inspect the condition of the hydraulic tools
  • Secure and reinstate the work area when hydraulic torque and tension activities are completed¬†


Delegates will undertake an ECITB multiple choice examination paper and practical trade test to demonstrate they have achieved the Key Learning Outcomes detailed above.

PPE Requirements

Safety footwear, coveralls, safety glasses and gloves.

Further Information

Employers who are registered with ECITB may be eligible for ECITB funding support for this course. Please contact your local ECITB account manager.

Target Audience
Target Audience

Candidates who have no previous experience of working with hand or hydraulic torqued or hydraulically tensioned bolt tightening, but may also be used to upskill candidates who have some knowledge of but not of its application in wind turbines.


ECITB Certificate of Training.

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