RusselSmith Group
Lagos, Nigeria
29d ago

Summary of Functions :

The Technician / Engineer should be capable of,

  • Health and safety precautions
  • The health and safety precautions at the work site
  • Safety precautions when handling and removing compressed Asbestos fibre (CAF) gaskets
  • Hot bolting and live plant procedures and risk assessment
  • Pressure, temperature and hostile environmental factors (such as corrosion and vibration) on the degradation of the bolted assembly
  • Factors which result in bolt load variation
  • Applied and residual load
  • The effect of different lubricants on friction losses
  • The relative accuracy of different methods of tightening
  • The technique for application of tensioned bole loading
  • Joint assembly methods and tightening procedures
  • The need to check gaskets, nuts and stud bolts against specification
  • The requirement to tag and complete records for assembled joints
  • The need to;
  • Check the compatibility of selected Torque tools and equipment capacity prior to use
  • Top up oil levels in hydraulic pumps
  • Clean and protect tools and equipment from corrosion
  • The principles of joint component sealing action
  • The principles of bolt elongation and tensile stress
  • The function of gasket or seal types
  • The importance of correct bolt loading
  • The effect on bolt load and seal compression using different methods of tightening
  • The importance of using correct lubricant
  • The importance of correct selection of joint components to comply with the design specification
  • The correct sequence and number of tightening passes required for toque and tensioned bolts
  • The principles and techniques used for direct bolt length measurement
  • The need for and using reporting procedures when defects or faults in bolt tightening equipment or its assembly are identified
  • The principles of preparing bolted joint connections for assembly
  • The need for seal face cleanliness and for nuts to be free running
  • The effect of joint alignment and gap uniformity on residual bolt loading
  • The importance of gasket storage, handling, preparation and installation
  • Good installation practice for bolting, washers and nut orientation for tightening method and equipment to be used
  • The need to report variance from design specifications and tightening procedures
  • The principles and requirement for the safe selection, calibration, installation and use of hydraulic torque and bolt tensioning equipment
  • Principles of carrying out bolt de-tensioning and joint breakout safely and correctly
  • The important of attending product specific training and following manufacturer’s procedures for proprietary joint types.
  • Why mixing components from different equipment manufacturer is prohibited
  • The principles of inspection after tightening and the procedure and the techniques to be used such as break loose tests (Check passes) and bolt tightness Tap-test
  • The requirements for the storage, preparation, maintenance and calibration of torque tools and bolt tensioning equipment for its safe use
  • Ability to,
  • Recognize and rectify the faults with torque or tensioning equipment
  • Interpret joint or flange manufacturer identifying marks
  • Identify defects, distortion and surface irregularities on flange sealing faces and threads
  • Demonstrate ability in;
  • Preparation of all joint components
  • Correct selection and assembly joint components
  • Diagnosis and rectification of problems with hydraulic equipment
  • Selection and correct installation of hydraulic torque or tensioning equipment
  • Correct application of various tightening techniques
  • Carrying out specified tightening sequence and subsequent tightening passes to ensure axial alignment and squareness of the joint assembly
  • Carrying out joint breakout safely and correctly
  • Carrying bolt break loose’ tests (check passes) to check integrity of assembled tensioned assembly
  • Completion of a joint record sheet
  • Integrity and inspection checks of completed joint assembly
  • Maintaining a personnel portfolio of joint assembly
  • Educational Qualifications :

    Experience Required : 0-2 years

    0-2 years

    Skills / Qualifications Required :

    Physical Demands : Work Environment :

    Work Environment :

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