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Elements and Performance Criteria

1. Prepare to dismantle clutch assembly
   • Job requirements are determined from workplace instructions
   • Dismantling information is sourced and interpreted
   • Dismantling options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Dismantling tools and equipment are selected and checked for serviceability
2. Dismantle and evaluate clutch assembly and components
   • Clutch assembly is dismantled in a logical sequence according to manufacturer and workplace procedures, and safety and environmental requirements, and without causing unnecessary damage to components or systems
   • Components are cleaned for evaluation according to workplace procedures and safety and environmental requirements
   • Components are measured and compared with manufacturer specifications and serviceability is determined
   • Component repair method is determined
   • Unserviceable parts are identified and replacement parts sourced
3. Carry out overhaul
   • Overhaul information is sourced and interpreted
   • Overhaul options are analysed and those most appropriate to the circumstances are selected
   • Overhaul tools and equipment are selected and checked for serviceability
   • Components are machined, repaired and replaced as required, and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
4. Assemble clutch assembly and components
   • Clutch assembly is assembled according to manufacturer specifications, workplace procedures, and safety and environmental requirements
   • Tolerances and clearances are measured against manufacturer specifications and necessary adjustments are made
   • Assembly of clutch assembly is completed within workplace timeframes and without causing damage to other components or systems
   • Post-assembly testing is carried out according to workplace procedures and safety and environmental requirements, and any problems detected as having been introduced during the assembly process are rectified
5. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and clutch assembly is presented ready for use or storage
   • 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
6. Prepare to dismantle clutch assembly
   • Job requirements are determined from workplace instructions
   • Dismantling information is sourced and interpreted
   • Dismantling options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Dismantling tools and equipment are selected and checked for serviceability
7. Dismantle and evaluate clutch assembly and components
   • Clutch assembly is dismantled in a logical sequence according to manufacturer and workplace procedures, and safety and environmental requirements, and without causing unnecessary damage to components or systems
   • Components are cleaned for evaluation according to workplace procedures and safety and environmental requirements
   • Components are measured and compared with manufacturer specifications and serviceability is determined
   • Component repair method is determined
   • Unserviceable parts are identified and replacement parts sourced
8. Carry out overhaul
   • Overhaul information is sourced and interpreted
   • Overhaul options are analysed and those most appropriate to the circumstances are selected
   • Overhaul tools and equipment are selected and checked for serviceability
   • Components are machined, repaired and replaced as required, and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or systems
9. Assemble clutch assembly and components
   • Clutch assembly is assembled according to manufacturer specifications, workplace procedures, and safety and environmental requirements
   • Tolerances and clearances are measured against manufacturer specifications and necessary adjustments are made
   • Assembly of clutch assembly is completed within workplace timeframes and without causing damage to other components or systems
   • Post-assembly testing is carried out according to workplace procedures and safety and environmental requirements, and any problems detected as having been introduced during the assembly process are rectified
10. Complete work processes
    • Final inspection is made to ensure work is to workplace expectations and clutch assembly is presented ready for use or storage
    • 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: trapping, storing and disposing of brake dust and brake fluids using specialised clutch assembly overhaul tools, equipment and machinery using chemicals and toxic cleaning substances environmental requirements, including procedures for trapping, storing and disposing of fluids and dust released from clutch assemblies.

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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:

overhaul three different clutch assemblies, including one of the following:

diaphragm clutch

coil spring clutch

dual mass flywheel.

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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 overhauling clutch assemblies, including procedures for:

trapping, storing and disposing of brake dust and brake fluids

using specialised clutch assembly overhaul tools, equipment and machinery

using chemicals and toxic cleaning substances

environmental requirements, including procedures for trapping, storing and disposing of fluids and dust released from clutch assemblies

types, characteristics and operating principles of clutch assemblies, including:

diaphragm clutches

coil spring clutches

multi-plate wet clutches

dual mass flywheels

dog clutches

clutch operating systems, including:

cable systems

hydraulic systems

clutch assembly overhaul procedures, including:

methods for removing clutch assemblies from flywheels

methods for cleaning and preparing clutch assemblies for overhaul

clutch dismantling procedures, including:

diaphragm clutches

coil spring clutches

clutch component inspection, measuring and evaluation procedures, including:

non-destructive testing procedures, including dye penetrant testing and magnetic particle testing

flywheel, including surface damage and run-out, ring gear serviceability, and pilot bearing serviceability

pressure plate assembly, including pressure plate surface damage, pressure plate surface run-out and warping, diaphragm spring serviceability, coil spring and associated components serviceability, and clutch cover damage

friction disc serviceability

release bearing serviceability

crankshaft, including pilot bearing bore run-out and crankshaft end float

clutch release fork and transmission input shaft inspection

clutch repair and adjustment procedures, including flywheel and pressure plate machining

clutch assembly procedures, including procedures for adjusting component tolerances and clearances

post-overhaul testing procedures for clutch assemblies.

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