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Elements and Performance Criteria

  1. Prepare to diagnose and repair continuously variable transmission
  2. Diagnose continuously variable transmission
  3. Repair continuously variable transmission
  4. Complete work processes
  5. Prepare to diagnose and repair continuously variable transmission
  6. Diagnose continuously variable transmission
  7. Repair continuously variable transmission
  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.

Safety requirements must include:

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

tagging out and isolating machines, and wheel chocking

working with high pressure fluid hazards

using lifting, jacking and supporting equipment.

Environmental requirements must include:

procedures for trapping, storing and disposing of hydraulic fluid released from transmissions.



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 continuously variable transmissions, including procedures for:

tagging out and isolating machines, and wheel chocking

working with high pressure fluid hazards

using lifting, jacking and supporting equipment

environmental requirements, including procedures for trapping, storing and disposing of hydraulic fluid released from transmissions

operating principles of continuously variable transmissions and associated components, including:

hydrostatic systems

countershaft transmissions

planetary transmissions

transmission control valves and solenoids

hydraulic circuits and schematics

electronic control system

application, purpose and operation of continuously variable transmissions and components, including:

power flows, including compound planetary transmissions

hydrostatic components

hydraulic components and hydraulic control components, including:

oil pumps

air pumps

filters

hydraulic valves

power train electronic control system

mechanical components, including clutch packs and compound gear sets

continuously variable electronic control system, including:

sensors

solenoids

electronic controllers

calibration

diagnostic testing procedures for continuously variable transmissions that comply with manufacturer specifications, including:

accessing and interpreting scan tool system data, including:

diagnostic trouble codes (DTCs)

live data

freeze frame data

waveforms

repair procedures for continuously variable transmissions, including procedures for removing, replacing and adjusting them

post-repair testing procedures for continuously variable transmissions.