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Elements and Performance Criteria

1. Prepare to assemble piston engine
   • Engine build requirements are correctly interpreted and matched by part and serial numbers
   • Correct engine sub-assemblies and components are gathered for engine assembly and their serviceability state and modification status is confirmed in accordance with the relevant maintenance documentation and quality procedures
   • Required hardware and plumbing is obtained and confirmed as approved items
2. Reassemble piston engine
   • Piston engine sub-assemblies and components are prepared for reassembly in accordance with maintenance manual and/or enterprise procedures
   • Components are assembled and adjusted in accordance with the maintenance manual and/or enterprise procedures
   • Engine is assembled and components and linkages are adjusted in accordance with maintenance data requirements
   • Reassembled engine is prepared for testing

Required Skills

Required skills

Required skills include applying relevant work health and safety WHS procedures including the use of material safety data sheets MSDS and personal protective equipment PPE using relevant maintenance documentation enterprise procedures specifications and aircraftcomponent manuals to identify the required engine build level and configuration recognise state of serviceability of the required subassemblies components hardware and plumbing reassemble the engine and adjust components and linkages

Required knowledge

Required knowledge includes how to obtain relevant MSDS the use of applicable items of PPE WHS procedures fault diagnosis techniques system and component operation engine reassembly and component adjustment requirements

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 apply hand skills and component theory knowledge and use maintenance publications to reassemble piston engines while applying all relevant safety precautions
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Evidence of transferability of skills and knowledge related to repair and overhaul is essential This may be demonstrated through application across a number of different piston engines Ability to assess componentsubassembly serviceability and interpret parts requirements will be necessary to supplement the required evidence Capability to interpret inspection procedures and specifications allowable limits and apply them in practice is critical The application of adjustment procedures should also clearly indicate knowledge of system operation The work plan should take account of applicable safety and quality requirements in accordance with the industry and regulatory standards A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements of the unit of competency are being achieved under routine supervision on a representative range of the engine types maintained by the enterprise This shall be established via the records in the Log of Industrial Experience and Achievement or where appropriate an equivalent Industry Evidence Guide
Context of and specific resources for assessment	Competency should be assessed in the work environment or simulated work environment using tools and equipment specified in maintenance documentation It is also expected that general purpose tools and test equipment found in most routine situations would be used where appropriate
Method of assessment
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. 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.
Piston engine sub-assemblies and components	Sub-assemblies and components may include: crankcase assembly cylinder assemblies external lubrication system components propeller governor (where applicable) fuel system components ignition system components exhaust system components turbocharger and waste gate (where applicable)
	Application of this unit may relate to: scheduled or unscheduled maintenance individual or team-related activities complex testing and adjusting of components, and where this is undertaken, may be carried out under supervision at the appropriate level
Procedures and requirements	Procedures and requirements refer to industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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