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Elements and Performance Criteria

1. Identify customer requirements and assess their practicality and safety compliance
   • Purpose of proposed modifications is established and confirmed
   • Practicality of customer requirements is assessed and discussed with appropriate personnel
   • Proposed modifications are assessed in relation to safety and Australian Design Rules (ADR) compliance
   • Project parameters, including cost and timeframe considerations, are discussed and confirmed
   • Vehicle is road tested to ensure proposed modifications are relevant and vehicle condition is appropriate to safely incorporate performance enhanced suspension products
   • Written quote is prepared to be authorised by customer according to workplace procedures
2. Prepare for modification
   • Required suspension system components are sourced and ordered
   • Service information is accessed and interpreted prior to commencing removal procedures
   • Hazards associated with the work are identified and risks are managed
   • Tools and equipment are selected and checked for serviceability
3. Fit components and make suspension system adjustments
   • Original components are removed and stored according to customer requirements, workplace disposal procedures and safety requirements
   • New components are inspected before installation to confirm serviceability
   • New components are installed according to manufacturer specifications, workplace procedures and safety requirements
   • Fluids and lubricants are added to components according to manufacturer specifications and workplace procedures
   • Suspension system adjustments are completed according to manufacturer specifications, workplace procedures and safety requirements
4. Road test vehicle and make final adjustments
   • Vehicle is road tested to ensure compliance with project intent
   • Suspension system is inspected to confirm it is free of leaks and other malfunctions
   • Final adjustments are completed according to manufacturer specifications, workplace procedures and safety requirements
5. 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
6. Identify customer requirements and assess their practicality and safety compliance
   • Purpose of proposed modifications is established and confirmed
   • Practicality of customer requirements is assessed and discussed with appropriate personnel
   • Proposed modifications are assessed in relation to safety and Australian Design Rules (ADR) compliance
   • Project parameters, including cost and timeframe considerations, are discussed and confirmed
   • Vehicle is road tested to ensure proposed modifications are relevant and vehicle condition is appropriate to safely incorporate performance enhanced suspension products
   • Written quote is prepared to be authorised by customer according to workplace procedures
7. Prepare for modification
   • Required suspension system components are sourced and ordered
   • Service information is accessed and interpreted prior to commencing removal procedures
   • Hazards associated with the work are identified and risks are managed
   • Tools and equipment are selected and checked for serviceability
8. Fit components and make suspension system adjustments
   • Original components are removed and stored according to customer requirements, workplace disposal procedures and safety requirements
   • New components are inspected before installation to confirm serviceability
   • New components are installed according to manufacturer specifications, workplace procedures and safety requirements
   • Fluids and lubricants are added to components according to manufacturer specifications and workplace procedures
   • Suspension system adjustments are completed according to manufacturer specifications, workplace procedures and safety requirements
9. Road test vehicle and make final adjustments
   • Vehicle is road tested to ensure compliance with project intent
   • Suspension system is inspected to confirm it is free of leaks and other malfunctions
   • Final adjustments are completed according to manufacturer specifications, workplace procedures and safety requirements
10. 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.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for managing stored energy in springs and torsion bars.

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Performance Evidence

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

select and fit performance enhanced suspension systems on two different vehicles, in which the work must involve two of the following:

suspension coil springs with modified spring rates

modified shock absorbers and struts

modified sway bars

modified suspension bushes

modified torsion bars.

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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 selecting and installing performance enhanced suspension system products, including procedures for managing stored energy in springs and torsion bars

operating principles of suspension systems, including:

rigid and independent suspensions

sprung and unsprung mass

ride and curb height

application, purpose and operation of performance enhanced suspension system products, including:

shock absorbers

coil springs, torsion bars and leaf springs

adjustable coil-overs

rubber and urethane bushings

sway bars and sway bar links

strut mounts

tower bars

procedures for removing suspension system components

requirements of Australian Design Rules (ADRs) relating to suspension systems

procedures for fitting and adjusting performance enhanced suspension system components

procedures for operating equipment to test suspension systems, including shock absorber testers

suspension system road testing principles and procedures.

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