Elements and Performance Criteria
- Determine and select competition vehicle tyres and wheels
- Use controlling body and category rules, supplementary regulations, component supplier specifications and team instructions to specify task requirements, including design, quality, material, equipment and quantities
- Observe occupational health and safety (OHS) requirements, including regulatory requirements, equipment and system isolation requirements, and personal protection needs, throughout the work
- Use regulations and specifications/tolerances to identify a competitive advantage
- Check specifications for required operating conditions and seek clarification of specifications, where required
- Formulate tyre and wheel requirements according to known factors
- Select tyre and wheel assemblies for application against requirements and document and report to appropriate persons
- Prepare work area and equipment
- Mount tyre and wheel assembly to vehicle
- Clean or treat mounting surfaces and threaded components and check for damage
- Select tyre and wheel assemblies from stock according to markings (i.e. scrutineers/category officials or team markings) and check against criteria for an event
- Inspect tyre and wheel assemblies for serviceability
- Fit tyre and wheel assemblies using mounting sequence and techniques
- Tension fasteners to team/component supplier specifications and engage fastener locking device, where fitted
- Check during and after installation to ensure accurate and complete fitting
- Report problems with tyre and wheel assemblies to appropriate persons
- Conduct pre-race tyre and wheel preparation
- Obtain recommended start/cold pressures and optimum operating/hot pressures
- Set tyre inflation pressures to specifications
- Measure and document baseline tyre temperature, ambient and traction surface temperatures
- Buff tyres, if specified
- Fit and turn on tyre warmers, if specified (and if allowed in category rules)
- Conduct post-race tyre and wheel maintenance
- Check tyre pressures and temperatures at specified times and document data
- Read tyre contact surface for handling and wear indications and document data
- Question driver/rider for assessment of handling characteristics and document data
- Source additional data, as required, and identify changes (if any) required to tyres and wheels prior to next race
- Clean tyre contact surfaces, as required
- Change tyres to different compound or pattern, as required
- Change tyre pressures, as required
- Tag or mark removed tyres for data audit trail
- Clean up and complete documentation