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Elements and Performance Criteria

1. Prepare to diagnose and repair light vehicle drive shaft
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose drive shaft
   • Diagnostic tests are performed according to workplace procedures and safety and environmental requirements
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
3. Repair drive shaft
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and drive shaft or 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 diagnose and repair light vehicle drive shaft
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
6. Diagnose drive shaft
   • Diagnostic tests are performed according to workplace procedures and safety and environmental requirements
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
7. Repair drive shaft
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and drive shaft or 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.

Safety and environmental requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for working with hazardous oils environmental requirements, including procedures for trapping, storing and disposing of oils released from drive shafts.

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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:

diagnose and repair the following drive shafts in two different light vehicles, in which the work must involve:

one rear wheel drive vehicle with drive shaft with universal joints, including removing the drive shaft from vehicle, replacing one universal joint, and refitting the drive shaft

one front wheel drive vehicle with constant velocity joint drive shaft, including removing the drive shaft from the vehicle and refitting it.

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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 diagnosing and repairing light vehicle drive shafts, including procedures for working with hazardous oils

environmental procedures for trapping, storing and disposing of oils released from drive shafts

operating principles of light vehicle drive shafts and associated components, including:

torque reaction of rear axle housings

torque steer

application, purpose and operation of the following components of light vehicle drive shafts and components, including:

propeller shafts, including:

single and multi-piece shafts

universal joints, including cross and yoke joints, double cardan joints and Lobro joints

velocity fluctuation of universal joints

shaft alignment

constant velocity joints, including:

Birfield joints

double offset joints

tripod joints

diagnostic testing procedures for light vehicle drive shafts, including road testing procedures that include drive shaft noise and vibration

repair procedures for light vehicle drive shafts, including procedures for:

dismantling drive shafts

inspecting drive shafts

reassembling and aligning components

post-repair testing procedures for light vehicle drive shafts.

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