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Unit of competency details

AURVTW109 - Carry out basic gas metal arc welding (Release 1)

Summary

Usage recommendation:
Current
Mapping:
MappingNotesDate
Supersedes and is equivalent to AURVTW009 - Carry out basic gas metal arc welding 12/Nov/2020

Release Status:
Current
Releases:
ReleaseRelease date
1 1 (this release) 13/Nov/2020


Qualifications that include this unit

CodeSort Table listing Qualifications that include this unit by the Code columnTitleSort Table listing Qualifications that include this unit by the Title columnUsage RecommendationRelease
AUR31420 - Certificate III in Automotive Diesel Fuel TechnologyCertificate III in Automotive Diesel Fuel TechnologyCurrent
AUR31820 - Certificate III in Heavy Commercial Trailer TechnologyCertificate III in Heavy Commercial Trailer TechnologyCurrent
AUR21220 - Certificate II in Automotive Underbody TechnologyCertificate II in Automotive Underbody TechnologyCurrent1-2 
AUR30720 - Certificate III in Outdoor Power Equipment TechnologyCertificate III in Outdoor Power Equipment TechnologyCurrent1-2 
AUR30620 - Certificate III in Light Vehicle Mechanical TechnologyCertificate III in Light Vehicle Mechanical TechnologyCurrent1-3 
AUR30220 - Certificate III in Bicycle Workshop OperationsCertificate III in Bicycle Workshop OperationsCurrent1-2 
AUR21020 - Certificate II in Motor Sport TechnologyCertificate II in Motor Sport TechnologyCurrent1-2 
AUR31520 - Certificate III in Automotive Diesel Engine TechnologyCertificate III in Automotive Diesel Engine TechnologyCurrent
AUR30920 - Certificate III in Motor Sport TechnologyCertificate III in Motor Sport TechnologyCurrent1-2 
AUR21520 - Certificate II in Automotive Cylinder Head ReconditioningCertificate II in Automotive Cylinder Head ReconditioningCurrent
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Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 030711 Boilermaking And Welding  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 030711 Boilermaking And Welding  13/Nov/2020 
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Unit Of competency

Modification History

Release 

Comments 

Release 1

This version first released with AUR Automotive Retail, Service and Repair Training Package Version 6.0

Application

This unit describes the skills and knowledge required to prepare and weld components using the gas metal arc welding (GMAW) process. It involves preparing for the task, selecting and using GMAW equipment, inspecting and testing weld quality, and completing workplace processes and documentation.

It applies to those working in the automotive service and repair industry.

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

Unit Sector

Vehicle Body Technical - Welding, Grinding, Machining and Soldering

Elements and Performance Criteria

ELEMENTS 

PERFORMANCE CRITERIA 

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Prepare to carry out basic GMAW welding

1.1 Identify job requirements from workplace instructions

1.2 Obtain and interpret welding information

1.3 Identify hazards associated with the work, assess potential risks and implement control measures in line with workplace policies and procedures

1.4 Identify tools and equipment required for welding and establish serviceability according to workplace procedures

2. Weld component using GMAW

2.1 Set up welding equipment according to manufacturer specifications, workplace procedures, workplace health and safety and environmental requirements

2.2 Carry out welding according to workplace procedures

2.3 Inspect welded component for conformity with job requirements

3. Complete work processes

3.1 Conduct final inspection according to workplace procedures and confirm component is ready for use

3.2 Clear work area and dispose of or recycle materials according to workplace procedures

3.3 Complete documentation according to workplace procedures

Foundation Skills

This section describes those language, literacy, numeracy and employment skills that are essential to performance but not explicit in the performance criteria.

S KILL 

DESCRIPTION 

Learning

  • Locates required sources of information efficiently.

Oral communication

  • Clarifies instructions and job requirements.

Numeracy

  • Measures components to check conformity with job requirements
  • Interprets gauges and units of pressure.

Planning and organising

  • Plans own work requirements
  • Prioritises actions to achieve required outcomes
  • Ensures tasks are completed within workplace timeframes.

Technology

  • Uses GMAW equipment.

Unit Mapping Information

Supersedes and is equivalent to AURVTW009 Carry out basic gas metal arc welding.

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

Release 

Comments 

Release 1

This version first released with AUR Automotive Retail, Service and Repair Training Package Version 6.0

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:

  • carry out gas metal arc welding (GMAW), including:
  • three butt welds, 150 mm long
  • three fillet welds, 150 mm long
  • three steel exhaust pipe butt welds.

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 carry out gas metal arc welding on components, including:
  • manufacturer specifications and procedures or equivalent documentation
  • Australian Standard 1554
  • workplace procedures required to carry out gas metal arc welding on components including:
  • preparing and operating welding equipment
  • non-destructive testing of completed welds
  • establishing the 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 carrying out basic GMAW, including procedures for:
  • selecting and using personal protective equipment (PPE) when working with GMAW equipment, including approved welding helmet
  • using specialist welding tools and equipment
  • using protective screens and fume extraction system
  • manually handling components and GMAW equipment
  • identifying and controlling hazards, including:
  • arc eye and exposure to ultraviolet light
  • molten metal spatter and fire danger
  • environmental requirements relating to carrying out basic GMAW, including procedures for:
  • trapping, storing and disposing of waste materials
  • GMAW principles, including:
  • process of using an electric arc to melt and join metal
  • basic construction and operation of welding gun and wire feed unit
  • types and application of welding wire and shielding gases
  • properties and characteristics of metals to be welded
  • types of welds, including:
  • butt welds
  • fillet welds
  • tee joints
  • corner joints
  • procedures for protecting vehicle electronics during welding
  • GMAW procedures, including:
  • component cleaning and preparation
  • welder current and voltage settings, gas flow rates, wire diameters and wire feed speed
  • wire stick out distance, gun angle between the work pieces and travel angle
  • weld testing procedures, including non-destructive testing
  • post-weld inspection procedures, including, weld defects.

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 basic GMAW they have carried out on components, e.g. work 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
  • PPE required for GMAW, including approved welding helmet
  • GMAW welder
  • steel sections requiring GMAW as specified in the performance evidence
  • tools, equipment and materials appropriate for carrying out basic GMAW.

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