Unit of competency Outline

Date retreived
23/07/2026 12:20 AM AWST

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Diagnose and repair LNG fuel systems

Diagnose and repair LNG fuel systems

Unit of competency
National Code
AURTTL005
State Code
AXA59
TGA Status
Replaced
DTWD Status
Transition (Replaced)
Current Release Number
1.00
Current Release Date
14/04/2016
View on TGA
State Implementation and Classification
Approved Date
13/07/2016
Field of Education
030503 - Vehicle Mechanics
Original Release Date
13/07/2016
Nominal Hours
31
Description
This unit describes the performance outcomes required to diagnose and repair faults in the liquefied natural gas (LNG) fuel systems of vehicles or machinery. It involves preparing for the task, selecting the correct diagnostic procedure, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.It applies to those working in the automotive service and repair industry. The unit applies to LNG fuel systems in agricultural machinery, forklifts, heavy commercial vehicles, light vehicles or mobile plant machinery.Licensing, legislative, regulatory or certification requirements may apply to this unit in some jurisdictions. Users are advised to check with the relevant regulatory authority.
Notes
Elements and Performance Criteria
1. Prepare to diagnose and repair LNG fuel system
  • 1.1 Job requirements are determined from workplace instructions
  • 1.2 Diagnostic information is sourced and interpreted
  • 1.3 Diagnostic options are analysed and those most appropriate to the circumstances are selected
  • 1.4 Hazards associated with the work are identified and risks are managed
  • 1.5 Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose LNG fuel system
  • 2.1 Diagnostic tests are performed according to workplace procedures and safety and environmental requirements
  • 2.2 Faults are identified from diagnostic test results and causes of faults are determined
  • 2.3 Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
3. Repair LNG fuel system
  • 3.1 Repair information is sourced and interpreted
  • 3.2 Repair options are analysed and those most appropriate to the circumstances are selected
  • 3.3 Repair tools, equipment and materials are selected and checked
  • 3.4 Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, safety and environmental requirements,and AS/NZ 2739 Natural gas (NG) fuel systems for vehicle engines, and without causing damage to components or system
  • 3.5 Post-repair testing is carried out according to workplace procedures and AS/NZ 2739 to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
4. Complete work processes
  • 4.1 Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use
  • 4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
  • 4.3 Tools and equipment are checked and stored according to workplace expectations
  • 4.4 Workplace documentation is processed according to workplace procedures
No information
No information
Replaces
State Code National Code Title Type
WF426 AURTTL3005 Diagnose and repair LNG fuel systems Unit of competency
Replaced By
State Code National Code Title Type
OCL82 AURTTL105 Diagnose and repair LNG fuel systems Unit of competency