MEM27021Maintain, fault find and repair stationary plant gas turbine engines

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What an assessment for MEM27021 must cover

58 assessable components: 7 elements (36 performance criteria), 10 performance evidence and 12 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

  • 1.1Follow standard operating procedures (SOPs)
  • 1.2Comply with work health and safety (WHS) requirements at all times
  • 1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
  • 1.4Identify job requirements from specifications, drawings, job sheets and work instructions

2 Inspect gas turbine engine system and components

  • 2.1Determine normal gas turbine engine performance parameters from manufacturer specifications and workplace records
  • 2.2Prepare engine for engine safe system inspection and operation in accordance with manufacturer specification
  • 2.3Check gas turbine engine components visually for external and internal signs of defects
  • 2.4Check pipes, cables and connections for wear and damage
  • 2.5Perform appropriate diagnostic tests for engine and equipment type
  • 2.6Identify faults from diagnostic test results
  • 2.7Determine appropriate action to rectify faults

3 Test gas turbine engine system

  • 3.1Identify test ports and connectors and connect test equipment
  • 3.2Follow specified test procedure or run diagnostic program to access data on engine performance
  • 3.3Test safety systems and emergency shut offs
  • 3.4Identify faults and determine if related to engine, associated systems or control fault
  • 3.5Trace fault to root cause
  • 3.6Obtain specialist advice, where required, to assist with the troubleshooting process

4 Service gas turbine engine

  • 4.1Check and replace air and oil filters if required or to manufacturer schedule
  • 4.2Test and adjust regulator, operation and safety controls
  • 4.3Pressure test gas, oil, and air pipes and hoses and purge, as required
  • 4.4Lubricate engine and components according to maintenance schedule
  • 4.5Document engine service to workplace requirements

5 Rectify faults according to manufacturer specifications

  • 5.1Assess components for abnormal wear or defects
  • 5.2Replace faulty or worn components
  • 5.3Remove corrosion where required
  • 5.4Finish or re-finish metal surfaces through polishing, lapping and blending of damage area or other specified process
  • 5.5Apply required surface treatments
  • 5.6Test engine and make any required post-repair adjustments

6 Install new, repaired or replacement engine

  • 6.1Locate and fix engine according to manufacturer specifications
  • 6.2Refit ancillary components and equipment systems
  • 6.3Check and adjust lubricants, coolant, fuel and other required fluids
  • 6.4Test run engine and make any required post-installation adjustments

7 Complete repair or installation

  • 7.1Clean work area and dispose of non-recyclable material according to workplace and environmental requirements
  • 7.2Collect and store recyclable material in appropriate containers
  • 7.3Check and store tools and equipment
  • 7.4Document and report engine repair or replacement according to workplace procedure

Performance evidence

  • following work instructions, standard operating procedures (SOPs) and safe work practices
  • identifying and interpreting specifications, charts, lists, drawings and other applicable reference documents to perform engine repair or replacement
  • testing of turbine engine operation with and without fuel
  • checking gas turbine engine performance against specifications for conformance
  • purging of gas turbine and associated equipment
  • checking components and parts for abnormal wear or defects and identifying whether to reuse, repair or replace components and parts
  • replacing worn or faulty parts
  • cleaning parts using appropriate solutions and safety precautions and rack and setting out engine parts according to their original position in readiness for reassembly
  • obtaining and recording measurements and interpreting readings for replacement or reuse as being under or over size
  • assembly and disassembly of gas turbine engine using appropriate tools, equipment and techniques

Knowledge evidence

  • safe work practices and procedures and use of personal protective equipment (PPE)
  • tools, techniques and equipment to be used and reasons for selection
  • characteristics of surface finishes and wear patterns as applied to gas turbine engine components
  • criteria for identifying the components for reuse or replacement
  • gas turbine engine layout and operation, including: - types of gas turbine - operating principles and power output - gas path - intakes - compressors - combustion chambers - turbine blades - air intake path - exhaust path - bearings and seals - lubrication system - starting system - ignition system - safety systems, including safety shut off systems, leak detection systems and vents - controls and instrumentation, including systems and controls for remote operation and monitoring
  • action to be taken when abnormal wear or defects are observed in the engine components
  • test instruments and tools used for gas turbine service and maintenance
  • purging procedure for the stationary gas turbine and associated equipment
  • gas turbine engine fuel types, properties and applications
  • relevant standards and regulations including AS 3814:2015 Industrial and commercial gas-fired appliances and AS/NZS 5601 Gas installation
  • concept of under/over size of replacement parts and the reasons for identifying replacement parts as under or over size
  • tools, techniques and equipment required to correct faults

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM27021

What does an assessment tool for MEM27021 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM27021 needs to address all 58 unit components: 7 elements with 36 performance criteria, 10 performance evidence requirements, 12 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM27021?

Auditori pulls the current release of MEM27021 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM27021 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM27021 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM27021, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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