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Elements and Performance Criteria

1. Prepare to remove wheel and tyre assembly
   • Job requirements are determined from workplace instructions
   • Removal, inspection and refitting information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
2. Remove and inspect wheel and tyre assembly
   • Wheel and tyre assembly is removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Wheel and tyre assembly, mounting points and attachment devices are inspected for condition, damage and wear
   • Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs, replacements or adjustments
3. Refit wheel and tyre assembly
   • Refitting options are analysed and those most appropriate to the circumstances are selected
   • Wheel and tyre assembly is fitted and adjusted according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Tightening sequence and torque settings are completed according to manufacturer specifications and workplace procedures
   • Wheel and tyre assembly is checked for correct assembly, run-out and alignment according to manufacturer specifications and workplace procedures
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored according to workplace procedures
   • Workplace documentation is processed according to workplace procedures
5. Prepare to remove wheel and tyre assembly
   • Job requirements are determined from workplace instructions
   • Removal, inspection and refitting information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
6. Remove and inspect wheel and tyre assembly
   • Wheel and tyre assembly is removed according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Wheel and tyre assembly, mounting points and attachment devices are inspected for condition, damage and wear
   • Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs, replacements or adjustments
7. Refit wheel and tyre assembly
   • Refitting options are analysed and those most appropriate to the circumstances are selected
   • Wheel and tyre assembly is fitted and adjusted according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Tightening sequence and torque settings are completed according to manufacturer specifications and workplace procedures
   • Wheel and tyre assembly is checked for correct assembly, run-out and alignment according to manufacturer specifications and workplace procedures
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle is presented ready for use
   • Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
   • Tools and equipment are checked and stored according to workplace procedures
   • Workplace documentation is processed according to workplace procedures

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Wheel and tyre assembly mustinclude:	tyre and demountable rim assembly tyre and disc wheel.
Safety requirements mustinclude:	work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for: working with wheel and tyre assemblies and air inflation pressures working with two piece split wheels, split and multi-piece wheels and rims manually handling wheel and tyre assemblies lifting and supporting heavy vehicles.
Final inspection must include:	wheel and tyre assembly run-out and alignment testing testing the operation of vehicle systems affected by the removal and refitting of wheel and tyre assemblies rechecking tightness of attachment devices.

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Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standards defined in this unit’s elements, performance criteria, range of conditions and foundation skills:

remove, inspect, refit and adjust the wheel and tyre assemblies on the steer and drive axle dual wheels of a heavy vehicle

remove, inspect, refit and adjust the demountable rim and tyre assemblies on the steer and drive axle dual wheels of a second heavy vehicle.

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Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to heavy vehicle wheel and tyre assemblies, including procedures for:

working with wheel and tyre assemblies and air inflation pressures

working with two piece split wheels, split and multi-piece wheels and rims

manually handling wheel and tyre assemblies

lifting and supporting heavy vehicles

types and applications of wheel assemblies, including:

cast spoke wheels

disc wheels, including:

stud piloted wheels

hub piloted wheels

studs and nuts for disc wheels

two piece split wheels

demountable rims, including:

single piece tyre-to-rim assemblies

multi-piece tyre-to-rim assemblies

spacer band

rim clamps, studs and nuts for demountable rims

procedures for removing, inspecting and refitting heavy vehicle wheel and tyre assemblies, including:

wheel nut tensioning procedures

manufacturer wheel and tyre assembly specifications appropriate to the assemblies specified in the performance evidence

post-fitting procedures and checks of heavy vehicle wheel and tyre assemblies, including wheel and tyre assembly run-out.

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