Release 

Comment 

Release 1

New unit of competency

ELEMENTS 

PERFORMANCE CRITERIA 

Elements describe the essential outcomes

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the range of conditions section

1. Prepare to remove and replace an engine cylinder head

1.1 Safety and environmental requirements  are sourced and interpreted

1.2 Task instruction is interpreted and engine assembly to be worked on is identified

1.3 Manufacturer specifications and workplace procedures for engine cylinder head removal and replacement are sourced and interpreted

1.4 Potential hazards and risks associated with task are identified and reported to workplace supervisor

1.5 Tools and equipment  required for removing and replacing an engine cylinder head are identified according to manufacturer specifications

2. Remove engine cylinder head

2.1 Tools, equipment and materials are selected and checked according to manufacturer procedures

2.2 Engine cylinder head  is removed according to safety and environmental requirements, and without causing damage to components, tools or equipment

2.3 Removal procedures are recorded

3. Clean, dismantle and inspect engine cylinder head

3.1 Cleaning methods and materials are selected and checked according to manufacturer specifications and workplace procedures

3.2 Engine cylinder head is cleaned according to safety and environmental requirements

3.3 Engine cylinder head is dismantled  without causing damage to components, tools or equipment

3.4 Engine cylinder head and components are cleaned and arranged for identification

3.5 Engine cylinder head and components are measured and results compared against manufacturer specifications

3.6 Engine cylinder head and components inspection results are recorded

4. Reassemble and replace engine cylinder head

4.1 Engine cylinder head and components are prepared for assembly according to manufacturer specifications and safety requirements

4.2 Engine cylinder head is assembled according to manufacturer specifications and workplace procedures, and without causing damage to components, tools or equipment

4.3 Engine cylinder head is replaced  onto engine assembly according to manufacturer specifications and workplace procedures, and without causing damage to components, tools or equipment

4.4 Engine is tested for correct assembly and operation

5. Complete work processes

5.1 Final inspection is made to ensure work meets task instruction and workplace standards, and engine is presented ready for use or storage according to workplace procedures

5.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected and stored according to environmental requirements and workplace procedures

5.3 Tools and equipment are checked and stored in a condition ready for use according to workplace procedures, or tagged and reported where necessary

5.4 Workplace documentation is processed according to workplace procedures

Skills 

Description 

Learning skills to:

• locate appropriate sources of vehicle engine information and engine cylinder head removal, dismantle, reassembly and replacement procedures.

Reading skills to:

• select and interpret key information from manufacturer specifications, safety requirements and workplace procedures to safely remove and replace engine cylinder head
• select and interpret key information from environmental requirements and workplace procedures to ensure a clean and safe work site.

Writing skills to:

• legibly and accurately fill out workplace documentation using correct industry terminology and conventions.

Oral communication skills to:

• participate effectively in verbal exchanges using questioning and active listening to request, clarify and clearly convey information.

Numeracy skills to:

• read and interpret numerical information in engine information
• use specialist tools and measuring equipment correctly, including feeler gauges, verniers, micrometers and torque wrenches, and report and record the results correctly using relevant mathematical symbols and conventions (e.g. mm for millimeters)
• use basic mathematical operations, including addition, subtraction, multiplication and division, to calculate length, volume, clearances and ratios.

Planning and organising skills to:

• plan own work requirements and prioritise actions to achieve required outcomes.

Self-management skills to:

• recognise own limitations when selecting and using tools and equipment and seek timely advice.

Problem-solving skills to:

• identify potential or actual hazards and take action to minimise risk
• refer problems that cannot be readily resolved and seek assistance from workplace supervisor.

Technology skills to:

• set up and operate equipment and tools required to remove and replace an engine cylinder head.

Safety and environmental requirements  must include:

• information about key aspects of work health and safety (WHS), occupational health and safety (OHS) and environmental requirements, including:

• use of safety glasses, ear protection and safety footwear
• use of engine cylinder head removal, dismantling, reassembly and replacement equipment
• collection and disposal of used engine lubricants and coolant.

Tools and equipment  must include:

• automotive hand tools and cylinder head lifting equipment and attachments.

Engine cylinder head  must include:

• the cylinder head of a multi-cylinder engine assembly, including all operational fitting attachments.

Engine cylinder head is dismantled  must include:

• removing the valve operating mechanisms and valves from the cylinder head.

Engine cylinder head is replaced  must include

• correctly torqueing cylinder head bolts and associated component retaining bolts

Release 

Comment 

Release 1

New unit of competency