Unit of competency Outline

Date retreived
22/07/2026 8:57 PM AWST

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Inspect and service CNG fuel systems

Inspect and service CNG fuel systems

Unit of competency
National Code
AURTTL001
State Code
AXA61
TGA Status
Current
DTWD Status
Approved
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
30
Description
This unit describes the performance outcomes required to inspect and service compressed natural gas (CNG) fuel systems. It involves preparing for the task, inspecting the system, reporting the inspection findings, servicing and adjusting the system, and completing workplace processes and documentation.It applies to those working in the automotive service and repair industry. The CNG fuel systems include those of 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 inspect and service CNG fuel system
  • 1.1 Job requirements are determined from workplace instructions
  • 1.2 Servicing information is sourced and interpreted
  • 1.3 Hazards associated with work are identified and risks are managed according to safety and environmental requirements
  • 1.4 Tools, equipment and materials are selected and checked for serviceability
2. Inspect CNG fuel system
  • 2.1 Inspection is carried out according to manufacturer specifications, workplace procedures, safety requirements, and AS/NZS 2739 Natural gas (NG) fuel systems for vehicle engines
  • 2.2 Inspection results are compared with manufacturer specifications
  • 2.3 Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
3. Service CNG fuel system
  • 3.1 Service and adjustments are carried out according to manufacturer specifications, workplace procedures, AS/NZS 2739, and safety and environmental requirements, and without causing damage to components or systems
  • 3.2 Post-service testing is carried out according to workplace procedures
4. Complete work processes
  • 4.1 Final inspection is made to ensure work is to workplace expectations and vehicle or system 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 procedures
  • 4.4 Workplace documentation is processed according to workplace procedures
No information
No information
Replaces
State Code National Code Title Type
WF422 AURTTL3001 Service CNG fuel systems Unit of competency