MEM27005 — Tune diesel engines

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What an assessment for MEM27005 must cover

31 assessable components: 3 elements (16 performance criteria), 6 performance evidence and 9 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 or work instructions

2 Compression test engine

2.1Remove injectors and isolate fuel system for each cylinder
2.2Select and fit appropriate adaptors
2.3Obtain, interpret, record and correct readings for adaptor used
2.4Use correct compression readings for adaptor

3 Perform tune up

3.1Determine firing pressures and adjust to specification, as applicable
3.2Perform air restriction, boost, back pressure and flow tests according to manufacturer recommendations using applicable test equipment
3.3Record readings and determine variances from specifications
3.4Determine density of exhaust smoke
3.5Adjust valve clearance and/or timing to specifications
3.6Adjust injection pump or injector timing to specification
3.7Adjust engine parameters using methods appropriate to technology of engine
3.8Determine if injector opening pressure is within specification and adjust, arrange replacement or repair if faulty

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting specifications, charts, lists, drawings and service documents for tuning diesel engines
removing injectors from each cylinder, isolating fuel system and fitting appropriate adaptors to each of the cylinders
obtaining, recording and correcting compression readings for adaptor used
determining firing pressures and adjusting to specifications
performing tune up of diesel engine using appropriate tools, equipment and techniques

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
procedures for: removing injectors from cylinders and reasons for isolating the fuel system; fitting adaptors to the cylinders; compression testing diesel engines and recording compression readings; comparing the compression readings with specifications and identifying any deviations; adjusting firing pressures; starting, operating, loading and shutting down diesel engines; recording test results; determining exhaust smoke density and equipment and techniques; adjusting valve clearances and/or timing; adjusting injector pump and injector timing; adjusting the governor rack travel, torque spring load limit, over speed trips, aneroid or fuel ratio control; adjusting injector opening pressure
appropriate adaptors and reasons for using adaptors
likely causes of any detected deviations from specification
corrections required for compression readings to take account of the adaptor used
test equipment and procedures to be used in the tuning of diesel engines
manufacturer’s recommended tests and reasons for conducting the tests
timing and pressures to be achieved
governor specifications

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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM27005

What does an assessment tool for MEM27005 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM27005 needs to address all 31 unit components: 3 elements with 16 performance criteria, 6 performance evidence requirements, 9 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 MEM27005?

Auditori pulls the current release of MEM27005 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 MEM27005 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM27005 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 MEM27005, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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