Application
This unit of competency defines the skills and knowledge required to diagnose and service precision micro-mechanisms, including chronometer watch and clock components, to achieve performance to original specifications. It includes precision adjustment and testing to achieve timekeeping and water resistance specifications of completed timepieces.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Band: A
Unit Weight: 6
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
1 | Determine job requirements | 1.1 | Follow standard operating procedures (SOPs) |
1.2 | Comply with work health and safety (WHS) requirements at all times | ||
1.3 | Use appropriate personal protective equipment (PPE) in accordance with SOPs | ||
1.4 | Identify job requirements from specifications, drawings, job sheets or work instructions | ||
2 | Adjust timing of precision micro-mechanisms | 2.1 | Analyse and interpret data for precision timing of micro-mechanisms |
2.2 | Make adjustments to achieve a constant rate to specifications | ||
3 | Diagnose precision micro-mechanisms | 3.1 | Select and use required high tolerance and precision tools and equipment |
3.2 | Apply detailed inspection and testing techniques to diagnose and identify performance faults, condition and repair or servicing requirements | ||
4 | Carry out precision micro-mechanism servicing | 4.1 | Remove precision components and service and replace, as appropriate |
4.2 | Adjust components to precision tolerances and specifications | ||
5 | Repair and adjust chronograph mechanisms | 5.1 | Adjust functional elements and test to ensure specifications are achieved |
5.2 | Examine chronograph components and re-finish, as required | ||
Foundation Skills
This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. | |
Micro-mechanisms include one (1) or more of the following: | mechanical watches and clocks electric watches and clocks pieces of recent manufacture restoration pieces chronometer timepieces day and date systems automatic winding systems generating systems alarm mechanisms striking and chiming mechanisms calendar mechanisms balance spring dynamic poising static poising truing balance (flat and round) chronograph mechanisms |
Assembly and subassembly components include one (1) or more of the following: | balance staff pallet staff pallet jewels wheel trains power source mechanical oscillating systems motion work calendar systems escapement balance spring |
Tools and equipment include one (1) or more of the following: | mechanical hand tools electronic equipment to measure amplitude and rate electronic timing equipment diagnostic equipment and tools high-tolerance testing equipment specialist service tools for adjusting oscillating systems and chronograph mechanisms |
Precision components include one (1) or more of the following: | timekeeping elements, including: balance staff pallet staff pallet jewels wheel trains power source mechanical oscillating systems motion work calendar systems |
Inspections include one (1) or more of the following: | high-tolerance clearances fits and adjustments functioning systems analysis performance analysis |
Competency Field
Jewellery and horological