MEM19022Perform precision micro-mechanism diagnosis and servicing

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What an assessment for MEM19022 must cover

36 assessable components: 5 elements (12 performance criteria), 13 performance evidence and 11 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 Adjust timing of precision micro-mechanisms

  • 2.1Analyse and interpret data for precision timing of micro-mechanisms
  • 2.2Make adjustments to achieve a constant rate to specifications

3 Diagnose precision micro-mechanisms

  • 3.1Select and use required high tolerance and precision tools and equipment
  • 3.2Apply detailed inspection and testing techniques to diagnose and identify performance faults, condition and repair or servicing requirements

4 Carry out precision micro-mechanism servicing

  • 4.1Remove precision components and service and replace, as appropriate
  • 4.2Adjust components to precision tolerances and specifications

5 Repair and adjust chronograph mechanisms

  • 5.1Adjust functional elements and test to ensure specifications are achieved
  • 5.2Examine chronograph components and re-finish, as required

Performance evidence

  • following work instructions, standard operating procedures (SOPs) and safe work practices
  • eliminating or minimising effects of internal and external influences and adjusting timing of micro-mechanisms
  • making detailed observations using high magnification optics
  • testing functioning of components to high tolerances, including functioning of escapement and oscillating system
  • using appropriate tools and equipment for detailed observation diagnosis and servicing
  • removing and replacing assembly and subassembly components and other precision components
  • making adjustments to minimise error of performance
  • repairing and adjusting chronograph mechanisms, including tensioning chronograph wheel and minute wheel, to ensure correct operation of seconds, minute and hour recording systems
  • observing and adjusting depth of engagement and operating sequence of functioning elements
  • applying lubricant, as required
  • re-finishing and matching components to existing components to ensure correct functioning, including alignment of hands with dials
  • fitting and adjusting new and repaired components to function within existing system
  • determining influences in design, internal and external influences on rating variation

Knowledge evidence

  • safe work practices and procedures and use of personal protective equipment (PPE)
  • physical limitations and condition of system and control factors influencing isochronism
  • inherent influences in design, internal and external influences on rating variation
  • adjustment procedures and techniques
  • detailed inspection and analysis techniques for diagnosing precision micro-mechanisms
  • acceptable tolerances, clearances and limits for precision components
  • components suitable for precision outcomes
  • effects of adjustment on performance and operation
  • criteria for correct adjustment of balance spring and regulating system
  • types of chronograph mechanisms and their functioning
  • adjustment procedures for chronograph operation, including minute and hour recording systems

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 MEM19022

What does an assessment tool for MEM19022 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM19022 needs to address all 36 unit components: 5 elements with 12 performance criteria, 13 performance evidence requirements, 11 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 MEM19022?

Auditori pulls the current release of MEM19022 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 MEM19022 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM19022 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 MEM19022, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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