Application

This unit of competency defines the skills and knowledge required to dismantle, clean and assess parts, record and interpret measurements and recondition the cylinder head.

It includes all types of engines and work associated with the reconditioning of cylinder heads, including determining the causes of failures, replacement of inserts, guides and injector sleeves, grinding of valves and seats, and crack/twist/bend testing. The reconditioning of original parts, crack repairs using non-welding techniques and sizing and fitting of replacement parts are also included.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

What You'll Learn

Assessment Requirements

Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria on at least two (2) occasions and include:

following work instructions, standard operating procedures (SOPs) and safe work practices

identifying and interpreting specifications, charts, lists, drawings and other applicable reference documents to perform engine top-end overhaul

checking for conformance against specifications and removing the cylinder head from the engine, dismantling cylinder head and ancillary components in accordance with procedures

undertaking calculation and numerical operations in performing engine top-end overhaul

checking parts for abnormal wear or defects and identifying components for reuse or replacement

cleaning cylinder head, ancillary equipment and parts using appropriate solutions and safety precautions, racking and setting out parts according to their original position in readiness for reassembly

obtaining and recording measurements and interpreting readings for replacement or reuse as being under or over size

identifying the cylinder head as serviceable or requiring repair/replacement and pressure testing the cylinder head to specifications

measuring and recording spring tension, valve and guide dimensions and surface flatness

grinding valves and valve seats using appropriate tools, equipment and techniques

determining whether components are to be reconditioned or replaced

replacing all applicable components using appropriate tools, equipment and techniques.

Knowledge Evidence

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

safe work practices and procedures and use of personal protective equipment (PPE)

characteristics of surface finishes and wear patterns as applied to valve operating mechanisms and cylinder heads

specifications of valve operating mechanisms and cylinder heads

procedures for:

dismantling cylinder heads and ancillary equipment and tools, techniques and equipment

storing parts in readiness for reassembly

pressure testing cylinder heads using appropriate tools, techniques and equipment

for measuring spring tension, valve and guide dimensions and surface flatness using appropriate tools, techniques and equipment

recording cylinder head and valve mechanism measurements

removing the cylinder head from the engine using appropriate tools, techniques and equipment

grinding valves and valve seats using appropriate tools, techniques and equipment

cleaning cylinder heads and ancillary equipment and solutions to be applied

reassembling cylinder heads and their components using appropriate tools, techniques and equipment

cylinder head specifications

operational parameters of cylinder head components

precautions to be taken when reassembling cylinder heads.

Assessment Conditions

Assessors must:

have vocational competency in performing engine top-end overhaul at least to the level being assessed with relevant industry knowledge and experience

satisfy the assessor requirements in the Standards for Registered Training Organisations 2015 or its replacement and comply with the National Vocational Education and Training Regulator Act 2011, its replacement or equivalent legislation covering VET regulation in a non-referring state/territory as the case requires.

Assessment must occur in a functioning workplace. Where assessment in the workplace would be unsafe, impractical or threatens the environment, assessment must occur in a sufficiently rigorous simulated environment that reflects the circumstances that would be experienced in a functioning workplace. Assessment must cover all aspects of workplace performance, including task skills, task management skills, contingency management skills and job role environment skills.

Conditions for assessment must include access to all tools, equipment, materials and documentation required, including relevant workplace procedures, product and manufacturing specifications.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Foundation Skills

• text: 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.

Prerequisite Units

• {'code': 'MEM09002', 'title': 'Interpret technical drawing'}
• {'code': 'MEM11011', 'title': 'Undertake manual handling'}
• {'code': 'MEM12023', 'title': 'Perform engineering measurements'}
• {'code': 'MEM12024', 'title': 'Perform computations'}
• {'code': 'MEM13015', 'title': 'Work safely and effectively in manufacturing and engineering'}
• {'code': 'MEM14006', 'title': 'Plan work activities'}
• {'code': 'MEM16006', 'title': 'Organise and communicate information'}
• {'code': 'MEM18001', 'title': 'Use hand tools'}
• {'code': 'MEM18002', 'title': 'Use power tools/hand held operations'}
• {'code': 'MEM18003', 'title': 'Use tools for precision work'}
• {'code': 'MEM18006', 'title': 'Perform precision fitting of engineering components'}
• {'code': 'MEM18055', 'title': 'Dismantle, replace and assemble engineering components'}

Parent Qualifications

• MEM40119 — Certificate IV in Engineering
  MEM

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