MEM27030 — Perform engine bottom-end overhaul

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What an assessment for MEM27030 must cover

39 assessable components: 3 elements (14 performance criteria), 8 performance evidence and 17 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 Dismantle, clean and assess parts

2.1Determine the reuse or replacement of crankshaft and piston assemblies based on the characteristics of surface finish and wear patterns
2.2Remove engine from plant, remove top-end components and dismantle block assembly according to manufacturer recommendations
2.3Check parts for abnormal wear or defects and identify components for reuse or replacement
2.4Select appropriate cleaning solution and procedure, clean and store ready for reassembly
2.5Rack or set out parts according to their original location in the engine
2.6Obtain and record measurements using appropriate measuring equipment
2.7Interpret readings regarding replacement or reuse and determine appropriate under/oversize of replacement parts

3 Recondition components

3.1Identify ridges, gaps, tapers, ovality and protrusions and take necessary corrective action
3.2Assemble components according to manufacturer specifications using appropriate tools and equipment
3.3Determine bearing clearances by calculation or direct measurement

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 bottom-end overhaul
checking engine for conformance and removing the engine and top-end components and dismantling block assembly
undertaking calculation and numerical operations to calculate bearing clearances
checking parts for abnormal wear or defects and identifying components for reuse or replacement
cleaning parts using appropriate solutions and safety precautions, racking 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
reassembling engine bottom-end components using appropriate tools, equipment and techniques

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
characteristics of surface finishes and wear patterns as applied to crankshaft and piston assemblies
specifications of crankshaft and piston assemblies
reasons for identifying the components for reuse or replacement
procedures for dismantling the block assembly and removing the engine from the plant
procedures for removing the top-end from the engine
procedures for cleaning engine parts and solution to be applied
procedures for racking and/or setting out of parts in readiness for reassembly
procedures for recording engine measurements
removing ridges, gaps, tapers, ovality and protrusions
assembling engine bottom ends and precautions to be taken
determining bearing clearances and methods to be applied
tools, techniques and equipment to be used and reasons for selection
action to be taken when abnormal wear or defects are observed in the engine components
measuring instruments to be used to measure engine components
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 the above 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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM27030

What does an assessment tool for MEM27030 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM27030 needs to address all 39 unit components: 3 elements with 14 performance criteria, 8 performance evidence requirements, 17 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 MEM27030?

Auditori pulls the current release of MEM27030 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 MEM27030 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM27030 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 MEM27030, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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