Unit of competency details
AURHTD103 - Diagnose and repair heavy vehicle suspension systems (Release 1)
Summary
Usage recommendation:
Current
Releases:
| 1 1 (this release) |
13/Nov/2020 |
Companion volumes:
Unit of competency
Assessment requirements
Training packages that include this unit
Qualifications that include this unit
Classifications
Classification history
| ASCED Module/Unit of Competency Field of Education Identifier | 030503 | Vehicle Mechanics | 13/Nov/2020 | |
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Unit of competency
Modification History
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Release
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Comments
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Release 1
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This version first released with AUR Automotive Retail, Service and Repair Training Package Version 6.0
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Application
This unit describes the skills and knowledge required to diagnose and repair heavy vehicle suspension systems. The unit involves preparing for the task, sourcing a diagnostic testing strategy, diagnosing the cause of the fault, carrying out the repair, performing post-repair testing, and completing workplace processes and documentation.
The unit applies to those who work in the automotive service and repair industry. The suspension systems include those in heavy commercial vehicles. This unit does not apply to agricultural machinery or mobile plant machinery.
No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.
Unit Sector
Mechanical – Heavy Vehicle Technical – Steering and Suspension
Elements and Performance Criteria
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ELEMENT
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PERFORMANCE CRITERIA
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Elements describe the essential outcomes.
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Performance criteria describe the performance needed to demonstrate achievement of the element.
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1. Prepare to diagnose and repair heavy vehicle suspension system
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1.1 Identify job requirements from workplace instructions
1.2 Identify required information for diagnosis activity
1.3 Analyse diagnostic options and source testing strategy to identify cause of fault using workplace and manufacturer procedures
1.4 Identify hazards and environmental issues associated with diagnose and repair activity, assess potential risks and implement control measures in line with workplace policies and procedures
1.5 Identify tools and equipment required for testing strategy and establish serviceability according to workplace procedures
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2. Diagnose heavy vehicle suspension system
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2.1 Implement diagnostic tests set out in testing strategy according to manufacturer and workplace procedures, and workplace health and safety requirements
2.2 Identify cause of fault through analysis of diagnostic test results
2.3 Confirm and report cause of fault according to workplace procedures
2.4 Develop and report recommendations for necessary repairs according to workplace procedures
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3. Repair heavy vehicle suspension system
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3.1 Identify required information for repair activity
3.2 Identify tools, equipment and materials required for repair activity and establish serviceability according to workplace procedures
3.3 Carry out repairs according to workplace and manufacturer procedures, manufacturer specifications, workplace health and safety and environmental requirements
3.4 Carry out post-repair testing according to workplace procedures, workplace health and safety and environmental requirements
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4. Complete work processes
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4.1 Conduct final inspection according to workplace procedures and confirm vehicle is ready for use
4.2 Clear work area and dispose of or recycle materials according to workplace procedures
4.3 Complete documentation according to workplace procedures
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Foundation Skills
This section describes those language, literacy, numeracy and employment skills that are essential to performance but not explicit in the performance criteria.
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S KILL
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DESCRIPTION
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Learning
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- Locates required sources of information efficiently
- Develops a sequenced plan for a specific task
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Reading
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- Organises and interprets technical information from workplace procedures, manufacturer procedures and manufacturer specifications
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Oral communication
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- Clarifies instructions
- Obtains information from customers and supervisors
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Numeracy
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- Identifies suspension system information in degrees and metric units of measurement
- Measures suspension system components
- Uses mathematical operations
- Calculates deviations and tolerances from manufacturer specifications
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Planning and organising
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- Plans own work requirements
- Prioritises actions to achieve required outcomes
- Ensures tasks are completed within workplace timeframes
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Technology
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- Uses specialised diagnostic equipment
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Unit Mapping Information
Supersedes and is equivalent to AURHTD003 Diagnose and repair heavy vehicle suspension systems.
Links
Companion Volume Implementation Guide is found on VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=b4278d82-d487-4070-a8c4-78045ec695b1
Assessment requirements
Modification History
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Release
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Comments
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Release 1
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This version first released with AUR Automotive Retail, Service and Repair Training Package Version 6.0
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Performance Evidence
The candidate must demonstrate the ability to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including evidence of the ability to:
- diagnose and repair a fault in:
- the following two heavy commercial vehicle suspension systems:
- leaf spring suspension
- air spring suspension
- at least one of the following heavy commercial vehicle suspension systems:
- equaliser beam suspension
- torsion bar suspension
- electronically controlled suspension.
Knowledge Evidence
The candidate must be able to demonstrate knowledge to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including knowledge of:
- methods to locate and interpret information required to diagnose and repair heavy vehicle suspension systems including:
- information provided by customers and supervisors
- manufacturer specifications and procedures or equivalent documentation
- workplace procedures required to diagnose and repair heavy vehicle suspension systems, including:
- establishing serviceability of tools and equipment
- documentation procedures
- housekeeping procedures, including:
- examination of tools and equipment
- storage of equipment
- identification, tagging and isolation of faulty equipment
- disposal of excess materials
- recycling procedures
- workplace health and safety (WHS) requirements relating to diagnosing and repairing heavy vehicle suspension systems, including identifying hazards and controlling risks associated with:
- working with stored energy in spring, air springs, and torsion bars, including procedures for working with suspension components under tension
- lifting, supporting and manual handling heavy suspension systems
- environmental requirements relating to diagnosing and repairing heavy vehicle suspension systems
- principles of heavy vehicle suspension systems and associated components, including:
- rigid and independent suspensions
- sprung and unsprung mass
- ride height
- spring dampers
- spring types
- purpose and operation of heavy vehicle suspension systems and components, including:
- air spring suspension
- leaf spring suspension
- front suspension
- rear suspension, including single and tandem axle
- equaliser beam suspension
- torsion bar suspension
- electronically controlled suspension
- equipment for diagnostic testing procedures, including scan tools
- diagnostic testing procedures for heavy vehicle suspension systems, including procedures for analysing:
- component wear
- checking axle alignment
- checking fluid leaks
- checking air leaks
- checking ride height
- control system tests
- repair procedures for heavy vehicle suspension systems, including procedures for:
- removing, repairing and replacing suspension components, and springs and spring dampers
- aligning axles
- post-repair testing procedures for heavy vehicle suspension systems.
Assessment Conditions
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment must include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the heavy vehicle suspension systems that they have worked on, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources must be made available:
- automotive repair workplace or simulated workplace
- workplace instructions
- manufacturer suspension system specifications
- heavy commercial vehicles with faults in the different suspension systems listed in the performance evidence
- diagnostic equipment for heavy commercial vehicle suspension systems
- tools, equipment and materials appropriate for repairing and adjusting heavy commercial vehicle suspension systems.
Assessors of this unit must satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards.
Links
Companion Volume Implementation Guide is found on VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=b4278d82-d487-4070-a8c4-78045ec695b1
