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Elements and Performance Criteria

1. Determine requirements
   • Component defect reports (removal tags) or customer order are correctly interpreted and matched by part and serial numbers
   • Cylinder assembly components are inspected and/or operated through prescribed test procedures to establish serviceability and confirm defects, if necessary
   • Modification status is clearly established to assist in determining the overhaul requirements for the components
   • Extent of overhaul or repair is identified and documented in accordance with standard enterprise procedures
2. Dismantle and inspect piston engine cylinder assembly components/parts
   • Cylinder assembly component parts are dismantled in accordance with maintenance manual and/or enterprise procedures while observing relevant work health and safety (WHS) procedures, including the use of material safety data sheets (MSDS) and personal protective equipment (PPE)
   • Component parts are assessed for serviceability in accordance with the relevant maintenance documentation
   • Parts requiring specialist repair are tagged and repair instructions are specified in accordance with standard enterprise procedures
   • Parts requiring non-destructive testing (NDT) are prepared for testing in accordance with the relevant maintenance documentation
   • Parts lists are compiled and processed in accordance with standard enterprise procedures
3. Repair and/or modify piston engine cylinder assembly components or parts
   • Component parts are repaired or replaced in accordance with the relevant maintenance documentation while observing relevant WHS procedures, including the use of MSDS and PPE
   • Modification of components is undertaken where required by reference to relevant manufacturer bulletins or procedures, regulatory requirements and/or customer requirements
4. Assemble, test and adjust piston engine cylinder assembly components
   • Cylinder assembly component parts are assembled within specified tolerances and in accordance with the appropriate maintenance documents while observing relevant WHS procedures, including the use of MSDS and PPE
   • Components are tested and adjusted to operate within prescribed specifications
   • Cylinder assemblies are prepared for engine reassembly
   • Where components are not to be assembled into an engine the finished components are tagged, sealed and packaged in accordance with standard enterprise procedures
   • Required maintenance documentation and modification records are completed and processed in accordance with standard enterprise procedures

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.
Piston engine cylinder assembly components include:	Cylinder Piston and piston rings Piston pins Valves, valve rockers, valve guides, tappets, pushrods and guard tubes Manifold studs
Testing and adjustment:	Complex testing and adjusting of components, where required, will be carried out under supervision at the appropriate level
Procedures and requirements include:	Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and include:

applying relevant WHS procedures, including the use of MSDS and PPE

using relevant maintenance documentation, specifications and aircraft/component manuals to:

recognise state of serviceability and overhaul or repair requirements for piston engine cylinder assembly components as listed in the Range of Conditions

dismantle and inspect piston engine cylinder assembly component parts for serviceability and identify repair requirements as applicable

repair/replace/modify piston engine cylinder assembly component parts

assemble, test for correct operation and adjust piston engine cylinder assembly components

correctly tagging, sealing and packaging completed components.

Evidence of transferability of skills and knowledge related to repair is essential. This shall be demonstrated through application across a number of different piston engine cylinder assembly components. Ability to assess component 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.

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Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

how to obtain relevant MSDS

the use of applicable items of PPE

WHS procedures

component inspection and wear measurement procedures

non-destructive testing methods and application

component repair and overhaul procedures and processes.

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