AURTTQ004 — Overhaul final drive assemblies
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What an assessment for AURTTQ004 must cover
56 assessable components: 5 elements (22 performance criteria), 1 performance evidence and 26 knowledge evidence requirements, plus 7 foundation skills. 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 Prepare to dismantle final drive assembly
- 1.1Job requirements are determined from workplace instructions
- 1.2Dismantling information is sourced and interpreted
- 1.3Dismantling options are analysed and those most appropriate to the circumstances are selected
- 1.4Hazards associated with the work are identified and risks are managed
- 1.5Dismantling tools and equipment are selected and checked for serviceability
2 Dismantle and evaluate final drive assembly and components
- 2.1Final drive assembly is dismantled in a logical sequence according to manufacturer and workplace procedures, and safety and environmental requirements, and without causing unnecessary damage to components or systems
- 2.2Components are cleaned for evaluation according to workplace procedures and safety and environmental requirements
- 2.3Components are measured and compared with manufacturer specifications and serviceability is determined
- 2.4Components repair method is determined
- 2.5Unserviceable parts are identified and replacement parts sourced
3 Carry out overhaul
- 3.1Overhaul information is sourced and interpreted
- 3.2Overhaul options are analysed and those most appropriate to the circumstances are selected
- 3.3Overhaul tools and equipment are selected and checked according to manufacturer procedures
- 3.4Components are machined, repaired and replaced as required, and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
4 Assemble final drive assembly and components
- 4.1Final drive assembly is assembled according to manufacturer specifications, workplace procedures, and safety and environmental requirements
- 4.2Tolerances and clearances are measured against manufacturer specifications and necessary adjustments are made
- 4.3Assembly of final drive assembly is completed within workplace timeframes and without causing damage to other components or systems
- 4.4Post-assembly testing is carried out according to workplace procedures and safety and environmental requirements, and any problems detected as having been introduced during the assembly process are rectified
5 Complete work processes
- 5.1Final inspection is made to ensure work is to workplace expectations and final drive assembly is presented ready for use or storage
- 5.2Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
- 5.3Tools and equipment are checked and stored according to workplace procedures
- 5.4Workplace documentation is processed according to workplace procedures
Performance evidence
- overhaul three different final drive assemblies, one of which must include a limited slip final drive assembly.
Knowledge evidence
- work health and safety (WHS) and occupational health and safety (OHS) procedures relating to overhauling final drive assemblies, including procedures for using:
- specialised final drive assembly overhaul tools, equipment and machinery
- chemicals and toxic substances
- manual and mechanical lifting equipment
- environmental requirements, including procedures for trapping, storing and disposing of fluids released from final drive assemblies
- types, characteristics and operating principles of final drive assemblies, including limited slip differentials
- final drive assembly overhaul procedures, including:
- methods for cleaning and preparing final drive assemblies for overhaul
- final drive dismantling procedures
- final drive component inspection, measuring and evaluation procedures, including:
- non-destructive testing procedures, including dye penetrant testing and magnetic particle testing
- measuring crown wheel run-out and differential case assembly side play
- measuring ring gear mounting surface run-out
- measuring limited slip differential components
- final drive component repair and adjustment procedures, including:
- bearings and shims
- collapsible spacers
- limited slip differential components
- final drive assembly procedures, including procedures for adjusting component tolerances, including:
- pinion gear depth
- pinion bearing preload
- crown wheel and pinion backlash
- side bearing preload
- obtaining and interpreting pinion to crown wheel contact pattern
- adjustment procedures to gain correct contact pattern
- post-overhaul testing procedures for final drive assemblies.
Foundation skills
- Learning skills: locate sources of information for final drive assemblies efficiently.
- Reading skills: interpret and assess information from manufacturer and workshop literature when seeking final drive assembly specifications and procedures.
- Writing skills: legibly and accurately fill out workplace documentation when reporting diagnostic findings, making repair recommendations, and recording parts and material used.
- Oral communication skills: clarify instructions, report evaluation findings and make overhaul recommendations.
- Numeracy skills: measure final drive assembly components and use basic mathematical operations, including addition, subtraction, multiplication and division, to calculate distances, areas, volumes, tolerances and deviations from manufacturer specifications.
- Planning and organising skills: plan own work requirements and prioritise and sequence actions to achieve required outcomes and ensure tasks are completed within workplace timeframes.
- Technology skills: use precision measuring equipment, such as micrometers and dial bore gauges; use specialised final drive assembly overhaul equipment.
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 AURTTQ004
What does an assessment tool for AURTTQ004 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for AURTTQ004 needs to address all 56 unit components: 5 elements with 22 performance criteria, 1 performance evidence requirements, 26 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 AURTTQ004?
Auditori pulls the current release of AURTTQ004 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 AURTTQ004 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing AURTTQ004 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 AURTTQ004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
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