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Elements and Performance Criteria

  1. Prepare to inspect and service mechanical connection system
  2. Inspect mechanical connection system
  3. Service mechanical connection system
  4. Complete work processes
  5. Prepare to inspect and service mechanical connection system
  6. Inspect mechanical connection system
  7. Service mechanical connection system
  8. Complete work processes

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.

Mechanical connections of heavy vehicle and trailer must include:

fifth wheel systems

king pins

landing gear systems.

Safety requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

lifting and supporting heavy vehicles and trailers

safely manoeuvring heavy vehicles and trailers.

Service must include:

applying and replacing lubricant

undertaking adjustments and operational testing.

Environmental requirements must include:

environmental requirements, including procedures for trapping, storing and disposing of lubricants released from mechanical connections.

Final inspection must include:

final check of heavy vehicle mechanical connection systems and components

checking heavy vehicle mechanical connection system operation during mobile or stationary tests.

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:

inspect and service the mechanical connections of two different heavy vehicles and their trailers, including five of the following:

fifth wheel assembly

king pins and upper couplers

pintle hook and drawbar

landing gear systems

electrical connections

pneumatic connections.

Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to inspecting and servicing mechanical connections of heavy vehicles and trailers, including procedures for:

lifting and supporting heavy vehicles and trailers

safely manoeuvring heavy vehicles and trailers

environmental requirements, including procedures for trapping, storing and disposing of lubricants released from mechanical connections

identification and function of mechanical connections of heavy vehicles and trailers over 4.5 tonnes, including:

fifth wheel assembly

king pins and upper couplers

pintle hook and drawbars

landing gear systems

electrical connections

pneumatic connections

types and applications of mechanical connection lubricants

inspection procedures for mechanical connections of heavy vehicles and trailers over 4.5 tonnes

service and adjustment procedures for mechanical connections of heavy vehicles and trailers over 4.5 tonnes

post-service testing procedures for mechanical connections of heavy vehicles and trailers over 4.5 tonnes.