Elements and Performance Criteria

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.
Watch construction, function and characteristics
Watch construction, function and characteristics may include:
mainspring variation of motive force
gear train freedom (e.g. end shakes, side shakes and backlash)
escapement operation performance
oscillator amplitude, balance spring positional changes and influences
winding and setting mechanisms
Condition and faults
Condition and faults may include:
end shakes, side shakes and clearances of operating components
oscillators balance spring condition, shock protection operation, condition and component replacement
functioning, clearances and safety action of the escapement system
mainspring and barrel assembly condition
gear train (e.g. pivot, pinions and bearings conditions - wear and corrosion)
winding and setting components (e.g. wear and end shake freedom)
lubrication including type, application, quantity and cleanliness
Timekeeping performance
Timekeeping performance may include:
regulating system components adjustment
balance spring condition (e.g. flat, concentric, beating evenly between curb pins)
beat error diagnosis and adjustment
Sub-assemblies and components
Sub-assemblies and components may include:
balance and cock assembly (e.g. shock spring replacement)
escapement components (e.g. pallet and escape wheel)
barrel and mainspring assembly (e.g. barrel arbor, barrel wall hooking device )
gear train (e.g. observe backlash)
winding and setting mechanisms, including motion work and canon pinion
hand setting tension (e.g. cannon pinions and friction wheel)
shock-resistance system
calendar, winding system and other mechanisms
power reserve
Watch performance/rate testing
Watch performance and rate testing may include:
in-beat adjustment without movable stud holder
rate adjustment
amplitude evaluation of watches performance
Hand tools and equipment
Hand tools and equipment may include:
timing machine
staking set
jewel press
eyeglass, screwdrivers and tweezers
case opening and closing tools
Clean and safe work environment
Clean and safe work environment may be specified through:
relevant legislation and regulations
enterprise operating procedures
5S housekeeping related principles and procedures (e.g. sort, straighten, shine, standardise, sustain)

EVIDENCE GUIDE
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 inspect and evaluate the condition and performance of mechanical watches, diagnose faults and make repairs and adjustments to industry standards, manufacturer specifications and in accordance with safety regulations and procedures.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
Assessors must be satisfied that the candidate can competently and consistently:
apply dextrous hand skills to manipulate components and sub-assemblies
select and use appropriate bench tools when adjusting
interpret readings and make accurate observations to recognise faults
determine appropriate sequence to accurately assess condition and faults during the process of dismantling and assembly.
Context of and specific resources for assessment
Assessment may occur on the job or in a simulated working environment. Access is required to real or appropriately simulated situations, including work areas, materials and equipment, and information on workplace practices and OHS practices.
Where applicable, reasonable adjustment must be made to work environments and training situations to accommodate ethnicity, age, gender, demographics and disability.
Access must be provided to appropriate learning and/or assessment support when required. Where applicable, physical resources should include equipment modified for people with disabilities.
Method of assessment
Assessment must satisfy the endorsed Assessment Guidelines of the MEM05 Metal and Engineering Training Package.
Assessment methods must confirm consistency and accuracy of performance (over time and in a range of workplace relevant contexts) together with application of underpinning knowledge.
Assessment methods must be by direct observation of tasks and include questioning on underpinning knowledge to ensure its correct interpretation and application.
Assessment may be applied under project-related conditions (real or simulated) and require evidence of process.
Assessment must confirm a reasonable inference that competency is not only able to be satisfied under the particular circumstance, but is able to be transferred to other circumstances.
Assessment may be in conjunction with assessment of other units of competency where required.
Guidance information for assessment
Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed.