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Elements and Performance Criteria

  1. Determine job requirements
  2. Comply with work health and safety (WHS) requirements at all times
  3. Use appropriate personal protective equipment (PPE) in accordance with SOPs
  4. Identify job requirements from specifications, drawings, job sheets and work instructions
  5. Inspect gas turbine engine system and components
  6. Prepare engine for engine safe system inspection and operation in accordance with manufacturer specification
  7. Check gas turbine engine components visually for external and internal signs of defects
  8. Check pipes, cables and connections for wear and damage
  9. Perform appropriate diagnostic tests for engine and equipment type
  10. Identify faults from diagnostic test results
  11. Determine appropriate action to rectify faults
  12. Test gas turbine engine system
  13. Follow specified test procedure or run diagnostic program to access data on engine performance
  14. Test safety systems and emergency shut offs
  15. Identify faults and determine if related to engine, associated systems or control fault
  16. Trace fault to root cause
  17. Obtain specialist advice, where required, to assist with the troubleshooting process
  18. Service gas turbine engine
  19. Test and adjust regulator, operation and safety controls
  20. Pressure test gas, oil, and air pipes and hoses and purge, as required
  21. Lubricate engine and components according to maintenance schedule
  22. Document engine service to workplace requirements
  23. Rectify faults according to manufacturer specifications
  24. Replace faulty or worn components
  25. Remove corrosion where required
  26. Finish or re-finish metal surfaces through polishing, lapping and blending of damage area or other specified process
  27. Apply required surface treatments
  28. Test engine and make any required post-repair adjustments
  29. Install new, repaired or replacement engine
  30. Refit ancillary components and equipment systems
  31. Check and adjust lubricants, coolant, fuel and other required fluids
  32. Test run engine and make any required post-installation adjustments
  33. Complete repair or installation
  34. Collect and store recyclable material in appropriate containers
  35. Check and store tools and equipment
  36. Document and report engine repair or replacement according to workplace procedure

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Ancillary equipment includes one (1) or more of the following:

pumps

compressors

fluid power equipment

metering equipment

electrical controls

electronic controls

Gas turbine engine andcomponents include one (1) or more of the following:

engine change unit, main components and accessories/drives

control components, including valves, meters and regulators

ignition and starter system components

fuel system components, including:

manifold and nozzles

combustion chambers

filters

oil system components

air system components, including:

air inlet structures

fans

guide vanes

centrifugal or axial flow compressor assemblies (low and high pressure)

compressor bleed valves if fitted

exhaust system components, including:

high and low pressure turbine assemblies

free turbine (where fitted)

exhaust outlet flues and shafts

Actions to rectify faults include one (1) or more of the following:

on-site repair, including in an on-site workshop

removal of engine to a specialist engine repair facility

installation of a new or reconditioned engine