AURETH018 — Inspect and maintain hydrogen fuel cell system

Elements & performance criteria

Performance evidence

• inspect and maintain the hydrogen fuel cell system of at least two different hydrogen FCEVs.

Knowledge evidence

• methods to locate and interpret information required to inspect and maintain hydrogen fuel cell system, including information from: customers and supervisors; manufacturer specifications and procedures
• workplace procedures required to inspect and maintain hydrogen fuel cell system, including: documentation procedures; housekeeping procedures, including those for: examining and storing tools and equipment; identifying, tagging and isolating faulty hydrogen FCEVs and equipment; disposing and recycling of excess materials
• workplace health and safety (WHS) requirements relating to inspecting and maintaining hydrogen fuel cell system, including procedures for: identifying hazards and controlling risks associated with: working with high voltages; working with hydrogen gas; working with high hydrogen gas pressures; wearing jewellery while working around high electrical currents; working with damaged hydrogen fuel cell system components; minimising risk associated with hazards, including applying safety precautions when: identifying hydrogen gas leaks; purging gas lines; using personal protective equipment (PPE), including electrical safety gloves with Class 0 1000 volt rating and Australian standards rated high voltage insulating mat; identifying and using firefighting equipment; using the one hand rule; following live system warning tags and signs; depowering hydrogen FCEV; isolating electrical supply; isolating hydrogen fuel sources; stabilising hydrogen FCEV electrical system
• environmental requirements relating to inspecting and maintaining hydrogen fuel cell system, including trapping, storing and disposing of waste produced during activity
• safe operating procedures for tools and equipment, including: ventilation systems; high pressure cylinders and tanks; testing equipment
• characteristics of hydrogen FCEV, including: types of hydrogen FCEVs; types of hydrogen; fundamental operating principles; fuel cell design; hydrogen FCEV efficiency and range; fuel storage capacity and level; battery management; electric and thermal management; communication protocols, including CAN bus; environmental benefits and challenges
• identification, function and basic operation of hydrogen fuel cell system and components in manufactured and retrofitted hydrogen FCEV, including: hydrogen storage system; high-pressure hydrogen circuit; hydrogen refuelling interface; fuel cell stack and associated systems; hydrogen fuel quality monitoring; hydrogen system safety equipment
• inspection procedures for hydrogen fuel cell system, including: handheld and fluid leak detection; analysing thermal and electrical performance; differentiating between hydrogen and electric power system faults; analysing system component operation; using diagnostic tools and software; using testing equipment and software; predictive maintenance tools; identifying faults
• maintenance procedures for hydrogen fuel cell system, including: when and how to purge hydrogen; identifying hydrogen-related faults, including software faults; removal, replacement and adjustment of hydrogen fuel cell system components that require periodic replacement as part of the maintenance schedule; post-maintenance testing procedures for hydrogen fuel cell system components
• how to access and interpret fuel quality reports
• terminology relevant to inspecting and maintaining hydrogen fuel cell system

Foundation skills

• Learning: locate required sources of information; access and interpret updated information about evolving hydrogen fuel cell technologies relevant to job role.
• Reading: interpret text, symbols and diagrams in inspection and maintaining information from manufacturer specifications and workplace procedures; interpret fuel quality reports.
• Writing: legibly and accurately fill out workplace documentation.
• Oral communication: listen to workplace instructions and ask questions to clarify job requirements; participate in verbal discussions on workplace safety, report faults and make maintenance recommendations; communicate with suppliers and manufacturers for replacement parts and advanced troubleshooting; discuss features and maintenance needs of hydrogen FCEVs with customers, including: refuelling procedures; performance expectations; regular maintenance to ensure safety and longevity.
• Numeracy: match hydrogen fuel cell system components and part identification numbers to workplace instructions, hydrogen FCEV and system component part lists, and manufacturer specifications; take, interpret and record measurements on digital and analogue gauges, including: conductivity; current; force; leak detection; pressure; resistance; temperature; torque; voltage; interpret and analyse diagnostic data; convert metric and imperial measurement units; calculate capacity and state of change; calculate deviations from manufacturer specifications.
• Planning and organising: plan own work requirements; prioritise actions to achieve required outcomes; confirm tasks are completed within workplace timeframes.
• Technology: use specialised diagnostic tools and software; use specialised testing equipment and software.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

Questions about assessing AURETH018