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Elements and Performance Criteria

1. Dismantle micro-mechanism components
   • Micromechnism components are dismantled for inspection using techniques and principles appropriate to the task.
2. Verify condition and operation of components
   • Overall condition of micro-mechanism is assessed.
   • Physical condition and operational functioning of components inspected and verified, if necessary, with appropriate persons.
   • Faults are identified using tools, equipment and techniques appropriate to the task.
3. Carry out maintenance
   • Maintenance requirements are confirmed, if necessary, with appropriate persons.
   • Components are lubricated to specification.
   • Components are cleaned/replaced and installed as required.
4. Assemble components
   • Components are assembled to specification.
5. Check and adjust components
   • Components are checked for correct operation.
   • Components are adjusted to specification.

Required Skills

Required skills

Look for evidence that confirms skills in dismantlingremoving components using appropriate hand tools and techniques removing power from the spring removing and dismantling movement removing and dismantling balance assembly removingdismantling bridges mainspring barrel winding mechanism applying procedures to avoid damage to components during disassemblyassembly noting positionassembly of components for reassembly checking timepiece for overall condition damage to case etc cleaning and preparing components for inspection including movement checking components for evidence of toxic contamination pollution chemical waste and other contaminants checking operationfunction of components using appropriate tools and techniques identifying defective damaged or nonserviceable components following standardroutine procedures to locateidentify common faults and maintenance requirement applying lubricants using appropriate techniques cleaningreplacing components in correct sequence using appropriate tools and techniques following OHS procedures handling components assembling components to specification including barrel and mainspring mechanism movement canon pinion drive train balance assembly shock resist system calendar winding system and other mechanisms verifying operation of components and assemblies including barrel mainspring cannon pinion endshake sideshake power reserve drive train calendar winding system power source adjusting components assembliesmechanisms to ensure operationfunction to manufacturer specification using appropriate electronic timing and other diagnostic equipment and tools operational adjustments and verification including regulation beat error balance amplitude rate power supply

Required knowledge

Look for evidence that confirms knowledge of component parts including mainspring barrel winding mechanism electronic circuit bridges bearing surfaces balance assembly calendar power source techniques and procedures for dismantlingremoving components commontypical faults and maintenance requirements for common timepieces verification processes for conditionfunction of components of movement including balance assembly escapement endshakes sideshakes bridges bearing surfaces mainspring barrel winding mechanism electronic circuit freedom of wheel train faultfinding procedures typical faults caused by wear blockages and other damage and their effects typical contaminants and their effects on operationfunctioning of components including contaminants and foreign objects lubricants and lubrication techniques cleaning requirements for ensuring correct operation OHS procedures for cleaning and maintenance techniquestools for handling and installing components tools and techniques for assembling components safe work practices and safety measures required checks and procedures for verifying correct operationfunction of components procedurestechniques for adjusting components operational specification for components and assemblies tools and equipment mechanical and electronic and their useapplication

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to faultfind and maintain micromechanisms Competency in this unit cannot be claimed until all prerequisites have been satisfied
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts
Context of and specific resources for assessment	This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with faultfinding and maintaining micromechanisms or other units requiring the exercise of the skills and knowledge covered by this unit
Method of assessment	Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Micro-mechanism	Mechanical and electric watches and clocks of recent manufacture, or restoration pieces. May include day/date, automatic winding or generating systems. Clock mechanisms may include alarm, striking and chiming mechanisms.
Components	Power source, wheel trains, mechanical oscillating systems, motion work and calendar systems
Inspection	Observations of clearances, fits and adjustments, functioning Operation of systems and performance analysis
Appropriate persons	Customers, supervisors/managers/suppliers, technical experts, colleagues
Tools and equipment	Includes standard range of mechanical hand tools and electronic equipment to measure amplitude, rate etc.
Specifications	Work performed to manufacturer specifications Recognition of components of product and how quality of component will affect performance

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