MJI18 – Hydraulically Tension Bolted Connection Techniques

This course covers specifications, methods, processes, techniques and procedures for using hydraulic tensioning equipment. It will explain how to remove components from hydraulic tensioning bolted connection systems, how to replace, reassemble securely and verify the integrity of assembled joints. The course is assessed through written tests, practical observations and exercises. Successful completion results in an ECITB MJI18 certificate, valid for 12 months. Within 12 months work based task assignments need to be completed and technical competence validation test TMJI 18 taken.

MJI18 – Hydraulically Tension Bolted Connections



Prices From

£320.00 +VAT

Course Duration

1 Day

Course Objectives

  • Demonstrate compliance with health and safety requirements and approved working practices
  • Understand the quality control systems and procedures to be employed during the dismantling, preparation and securing of bolted connection systems
  • Prepare work areas, equipment and materials for the dismantling, preparation and securing of bolted connection systems
  • Dismantle hydraulically tensioned bolted connection systems
  • Remove and replace components relating to hydraulically tensioned bolted connection systems
  • Assemble, secure and tighten hydraulically tensioned bolted connections
  • Verify the integrity of the assembled joint
  • Verify the integrity of the assembled joint

Who Should Attend?

Engineers/Technicians who will be involved in the use of hydraulic tensioning equipment.

Course Content

Introduction to MJI18

  • Pre Work Risk Assessment
  • Basic History of Boltings
  • Design and Classification
  • Torque Wrench Types
  • Product Containment
  • Torque Equation
  • Lubrication
  • Flange Tightening
  • HSE and Approved Working Practices
  • Prepare work area for the assembly and tensioning of bolted connections using hydraulic tensioning equipment
  • Prepare equipment
  • Prepare materials
  • Assemble bolted connections
  • Tighten bolts using hydraulic tensioning equipment
  • How to check the Integrity of the assembled bolted connection
  • Reinstate the workplace
  • Test & Evaluation

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