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Description
This unit covers the competence required to carry out repairs to emission control systems. The unit includes identification and confirmation of work requirement, preparation for work, repair of emission control systems and associated components and completion of work finalisation processes, including clean-up and documentation.
Unit Sector
No sector assigned
Performance criteria
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Element |
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Performance criteria |
| 1. |
Prepare to undertake repair of emission control system |
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| 1.1 |
Nature and scope of work requirements are identified and confirmed |
| 1.2 |
OH&S requirements, including individual State/Territory regulatory requirements and personal protection needs are observed throughout the work |
| 1.3 |
Procedures and information such as workshop manuals and specifications, and tooling, are sourced |
| 1.4 |
National Environment Protection Measure for Diesel Vehicles (Guidelines) is sourced and observed throughout the work as applicable to tasks |
| 1.5 |
Method options are analysed and those most appropriate to the circumstances are selected and prepared |
| 1.6 |
Technical and/or calibration requirements for repair are sourced and support equipment is identified and prepared |
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| 2. |
Repair and replace emission control systems and/or associated components |
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| 2.1 |
Correct information is accessed and interpreted from manufacturer/component supplier specifications |
| 2.2 |
Testing equipment is selected |
| 2.3 |
Tests are performed and results analysed in accordance with manufacturer/component supplier specifications |
| 2.4 |
Emission control system repair and replacement are carried out according to industry regulations/guidelines, OH&S legislation, legislation and enterprise procedures/policies |
| 2.5 |
Emission control systems repair/replacement is completed without causing damage to any component or system |
| 2.6 |
Repair and replacement of emission control systems are carried out in accordance with industry regulations/ guidelines, OH&S legislation, legislation and enterprise procedures/policies |
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| 3. |
Prepare vehicle/ equipment for delivery to customer after repair is completed |
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| 3.1 |
Repair documentation is completed |
| 3.2 |
Final inspection is made to ensure safety features are in place |
| 3.3 |
Final inspection is made to ensure work is to workplace expectations |
| 3.4 |
Vehicle/equipment is presented to workplace expectations |
| 3.5 |
Job card is processed in accordance with workplace procedures |
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Key competencies
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Key Competency |
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Example of Application |
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Performance Level |
| Communicating ideas and information |
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Apply plain English literacy and communication skills in relation to dealing with customers and team members Apply questioning and active listening skills for example when obtaining information from customers Apply oral communication skills sufficient to convey information and concepts to customers |
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1 |
| Collecting analysing and organising information |
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Apply research and interpretive skills sufficient to locate, interpret and apply manufacturer/component supplier procedures, workplace policies and procedures Apply analytical skills for identification and analysis of technical information |
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2 |
| Planning and organising activities |
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Apply planning and organising skills to own work activities, including making good use of time and resources, sorting out priorities and monitoring own performance |
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2 |
| Working with others and in teams |
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Interact effectively with other persons both on a onetoone basis and in groups, including understanding and responding to the needs of a customer and working effectively as a member of a team to achieve a shared goal |
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1 |
| Using mathematical ideas and techniques |
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Use mathematical ideas and techniques to correctly calculate time, assess tolerances, apply accurate measurements, calculate material requirements and establish quality checks |
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1 |
| Solving problems |
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Establish safe and effective work processes which anticipate and/or resolve problems and downtime, to systematically develop solutions to avoid or minimise reworking and avoid wastage |
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1 |
| Using technology |
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Use workplace technology related to repair and replacement of emission control systems, including the use of measuring equipment, electronics, computerised technology, specialist emission control system tooling and equipment and communication devices and the documenting/recording of results |
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1 |
Range statement
The Range Statement provides advice to interpret the scope and context of this unit of competence, allowing for differences between enterprises and workplaces. It relates to the unit as a whole and facilitates holistic assessment. The following variables may be present for this particular unit:
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| Unit scope |
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- This unit of competence applies to the following and should be contextualised to the qualification to which it is being applied:
- Light and heavy vehicles, marine equipment and motorcycles. This unit of competence does not cover emission control systems associated with engine management systems.
- Methods include:
- road testing or dynamometer testing, exhaust gas testing
- visual, aural and functional assessments (including: damage, corrosion, air leaks, wear, testing of electrical circuits)
- measurements
- electronic system tests
- Specific requirements may include, sensing and control systems, including: carbon canisters, mechanical devices, catalytic converters, electronic sensors, EGR values
- Other variables may include, appropriate licence
- Repair methods and sequence are to include isolation of fault(s), dismantling, inspection and evaluation, replacement of components parts, assembly and completion of operational tests and records
- Faults include, rough running, poor performance, excessive fuel consumption and overheating
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| Unit context |
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- Work requires individuals to demonstrate discretion, judgement and problem-solving skills in managing own work activities and contributing to a productive team environment
- Work is carried out in accordance with award provisions
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| Safety (OH&S) |
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- OH&S requirements are to be in accordance with legislation/regulations/codes of practice and enterprise safety policies and procedures. This may include protective clothing and equipment, use of tooling and equipment, workplace environment and safety, handling of material, use of fire fighting equipment, enterprise first aid, hazard control and hazardous materials and substances
- Personal protective equipment is to include that prescribed under legislation/regulation/codes of practice and workplace policies and practices
- Safe operating procedures are to include, but are not limited to operational risk assessment and treatments associated with vehicular movement, toxic substances, electrical safety, machinery movement and operation, manual and mechanical lifting and shifting, working in proximity to others and site visitors
- Emergency procedures related to this unit are to include but may not be limited to emergency shutdown and stopping of equipment, extinguishing fires, enterprise first aid requirements and site evacuation
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| Environmental requirements |
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- Environmental requirements are to include but are not limited to waste management, noise, dust and clean-up management
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| Quality requirements |
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- Quality requirements are to include, but are not limited to regulations, including Australian Standards, internal company quality policy and standards and enterprise operations and procedures
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| Statutory/regulatory authorities |
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- Statutory/regulatory authorities may include Federal, State/Territory and local authorities administering acts, regulations and codes of practice
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| Tooling and equipment |
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- Tooling and equipment may include hand tooling, testing equipment, including; exhaust gas analysers, hand held meters, and power tooling, specialist tooling for testing, removal or adjustment and dynamometers
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| Materials |
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- Materials may include lubricants, cleaners, spare parts and sealants
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| Communications |
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- Communications are to include but are not limited to verbal and visual instructions and fault documenting and may include site specific instructions, written instructions, plans or instructions related to job/task, telephones and pagers
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| Information |
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- Information sources may include, but are not limited to verbal or written and graphical instructions, signage, work schedules/plans/specifications, work bulletins, memos, material safety data sheets, diagrams or sketches
- Safe work procedures related to the repair and replacement of emission control systems
- Regulatory/legislative requirements pertaining to automotive industry, including Australian Design Rules
- Engineer’s design specifications and instructions
- Organisation work specifications and requirements
- Instructions issued by authorised enterprise or external persons
- Australian Standards
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Evidence guide
The Evidence Guide identifies critical aspects, knowledge and skills to be demonstrated to confirm competence for this unit. This is an integral part of the assessment of competence and should be read in conjunction with the Range Statement.
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| Critical aspects of evidence |
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- It is essential that competence is fully observed and there is ability to transfer competence to changing circumstances and to respond to unusual situations in the critical aspects of:
- observing safety procedures and requirements
- communicating effectively with others involved in or affected by the work
- selecting methods and techniques appropriate to the circumstances
- completing preparatory activity in a systematic manner
- identification of application, purpose and operation
- application of full repair sequence as per the Range Statement to an emission control system relative to the qualification being sought
- interpreting test results
- conducting repair in accordance with workplace and manufacturer/component supplier requirements
- vehicle/equipment presentation to customer in compliance with workplace requirements
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| Relationship to other units |
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- Competence in this unit may be assessed in conjunction with other functional units which together form part of the holistic work role
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| Underpinning knowledge |
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- A working knowledge of:
- OH&S regulations/requirements, equipment, material and personal safety requirements
- legislation and penalties
- identification of motor vehicle emissions and their effects on the environment
- the identification of application, purpose and operation
- the identification of component parts to include physical, fluid, gases and heat generation
- the principles of emission control and reduction of HC, NOx, CO, CO 2, particulates and smog
- types and layout of service/repair manuals (hard copy and electronic)
- types of emission systems and components
- the interpretation of technical information, graphic symbols and diagrams
- testing procedures
- repair procedures
- enterprise quality procedures
- work organisation and planning processes
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| Context of assessment |
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- Application of competence is to be assessed in the workplace or simulated worksite
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| Method of assessment |
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- Assessment is to occur using standard and authorised work practices, safety requirements and environmental constraints
- Assessment is to comply with regulatory requirements, including Australian Standards
- Assessment must satisfy the endorsed assessment guidelines of the automotive industry’s RS&R Training Package
- Assessment methods must confirm consistency and accuracy of performance together with application of underpinning knowledge
- Assessment must be by direct observation of tasks, with questioning on underpinning knowledge and it must also reinforce the integration of key competencies
- Assessment may be applied under project related conditions and require evidence of process
- Assessment must confirm a reasonable inference that competence is able not only to be satisfied under the particular circumstance, but is able to be transferred to other circumstances
- It is preferable that assessment reflects a process rather than an event and occurs over a period of time to cover varying quality circumstances. Evidence of performance may be provided by customers, team leaders/members or other persons subject to agreed authentication arrangements
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| Specific resource requirements for this unit |
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- The following resources should be made available:
- workplace location or simulated workplace
- material relevant to the repair and replacement of emission control systems
- equipment, hand and power tooling appropriate to the repair and replacement of emission control systems
- activities covering mandatory task requirements
- specifications and work instructions
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