Assessment Requirements for AURKTX001 Diagnose and repair powershift transmissions

Release: 1

Assessment Requirements for AURKTX001 Diagnose and repair powershift transmissions

Modification History

Release	Comment
Release 1	New unit of competency.

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 a fault in two different vehicles or machines with the following powershift transmissions:

multiple countershaft transmission

planetary shift transmission

conduct powershift transmission stall test during above work according to manufacturer specifications and workplace procedures.

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 powershift transmissions, including procedures for isolating and stabilising machines

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

operating principles of powershift transmissions and associated components, including:

torque converters, torque divider torque converters and variable capacity torque converters

electronically modulated transmission

countershaft transmissions, including:

gear types

gear ratios and torque reduction and multiplication

simple and compound gear trains

compound planetary transmissions, including:

gear types

gear ratios and torque reduction and multiplication

simple and compound planetary gear trains

transmission control valves and solenoids

hydraulic circuits and schematics

application, purpose and operation of powershift transmissions and components, including:

power flows in:

multiple countershaft transmissions

compound planetary transmissions

torque converters, torque divider torque converters, and variable capacity torque converters

hydraulic components and hydraulic control components, including:

oil pumps

hydraulic valves

electronic transmission pressure modulation

power train electronic control system

mechanical components, including:

clutch packs

one-way clutches

planetary gears

compound gear sets

powershift electronic control systems

transfer cases

hydraulic oils and filters

diagnostic testing procedures for powershift transmissions, including:

following safety requirements when stall testing

stall testing according to manufacturer specifications and workplace procedures

dismantling procedures for powershift transmissions, including:

measuring clearances and tolerances

inspecting components

repair procedures for powershift transmissions, including procedures for inspecting, evaluating and measuring component wear

post-repair testing procedures for powershift transmissions, including:

stall testing according to manufacturer specifications and workplace procedures.

Assessment Conditions

Assessors must satisfy NVR/AQTF assessor requirements.

Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.

Assessment must include direct observation of tasks.

Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the powershift transmissions that they have worked on, e.g. repair orders.

Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.

The following resources must be made available:

automotive repair workplace or simulated workplace

workplace instructions

manufacturer powershift transmission specifications

two different vehicles or machines with powershift transmission faults

diagnostic equipment for powershift transmissions

tools, equipment and materials appropriate for repairing and adjusting powershift transmissions.

Links

Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=b4278d82-d487-4070-a8c4-78045ec695b1

Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=b4278d82-d487-4070-a8c4-78045ec695b1