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Elements and Performance Criteria

1. Perform operational maintenance.
   • Perform basic operational maintenance on the equipment and machinery according to manufacturers' guidelines.
   • Adjust, clean and store equipment and consistent with manufacturers' specifications.
2. Rectify common mechanical faults.
   • Diagnose mechanical faults and, where they do not require specialist attention, rectify according to manufacturers' guidelines.
   • Select tools appropriate to each task and follow safe work practices.
   • Where complex faults are identified, seek assistance from manufactures or technical experts.
3. Document operational maintenance.
   • Document procedures and update machinery and equipment log books where required.
4. Maintain a clean and tidy workshop.
   • Maintain the workshop as an environment that is clean and free from contaminants.
   • Identify hazardous materials and remove following manufacturers' instructions.

Required Skills

Required skills perform scheduled maintenance rectify common mechanical faults use of appropriate tools

Required knowledge servicing characteristics of machinery and equipment fault finding techniques in mechanical devices recording systems for machinery use

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
Critical aspects for assessment and evidence required to demonstrate competency in this unit	To achieve competency in this unit a person must be able to maintain a range of opal cutting machinery and rectify minor faults Assessment must confirm the ability to perform operational maintenance and make routine adjustments to equipment and machinery following manufacturers guidelines They must also be able to diagnose and rectify minor faults using appropriate tools and working safely Competence in this unit must be assessed over a period of time in order to ensure consistency of performance over the range of variables and contexts applicable to the work environment
Context of and specific resources for assessment	This unit may be assessed in a work environment in a simulated work environment or in a combination of these situations
Method of assessment	For valid and reliable assessment of this unit evidence should be gathered through a range of methods to indicate consistent performance Assessment of this unit of competence will usually include observation of processes and procedures oral andor written questioning on underpinning knowledge and skills and other methods as required Assessment methods should closely reflect workplace demands eg literacy and the needs of particular groups eg people with disabilities and people who may have literacy or numeracy difficulties such as speakers of languages other than English remote communities and those with interrupted schooling
	Assessment of this competency requires access to a range of equipment and machinery a qualified workplace assessor or assessment team

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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.
Operational maintenance may include:	daily, weekly, monthly, quarterly and yearly servicing schedules.
Equipment and machinery may include:	bench grinder 6 or 8 combination units, for grind, sand and polish diamond grinding, sanding and polishing units drum or belt sanders dry sanding units free-hand saw grinding arbours with belt drive leather or felt polishing units multi blade saw slab saw trim saw wet sanding units.
Mechanical faults may include:	basic faults reasonably within the scope of a non-mechanic resulting from damage, wear, or malfunction.

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