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Elements and Performance Criteria

1. Prepare to diagnose and repair light vehicle manual transmission
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
2. Diagnose manual transmission
   • Diagnostic tests are performed according to workplace procedures safety and environmental requirements
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
3. Repair manual transmission
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and transmission or 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
5. Prepare to diagnose and repair light vehicle manual transmission
   • Job requirements are determined from workplace instructions
   • Diagnostic information is sourced and interpreted
   • Diagnostic options are analysed and those most appropriate to the circumstances are selected
   • Hazards associated with the work are identified and risks are managed
   • Diagnostic tools and equipment are selected and checked for serviceability
6. Diagnose manual transmission
   • Diagnostic tests are performed according to workplace procedures safety and environmental requirements
   • Faults are identified from diagnostic test results and causes of faults are determined
   • Diagnosis findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
7. Repair manual transmission
   • Repair information is sourced and interpreted
   • Repair options are analysed and those most appropriate to the circumstances are selected
   • Repair tools, equipment and materials are selected and checked
   • Repairs and component replacements and adjustments are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
   • Post-repair testing is carried out according to workplace procedures to confirm fault rectification, and any further problems detected as having been introduced during the repair process are rectified
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and transmission or 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 and environmental requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for lifting, supporting and manual handling light vehicle manual transmissions environmental requirements, including procedures for trapping, storing and disposing of fluids released from transmissions.

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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:

diagnose and repair two of the following faults in two different light vehicle manual transmissions, including faults in two of the following components:

input or primary shaft gear or bearing

secondary shaft or main shaft gear or bearing

synchroniser assembly

shift rail, shift fork, interlock and detent mechanisms

counter shaft gear or bearing

remove, refit or replace one manual transmission in a light vehicle.

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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 diagnosing and repairing light vehicle manual transmissions, including procedures for lifting, supporting and manual handling light vehicle manual transmissions

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

operating principles light vehicle manual transmissions, including:

gear types

gear ratios and torque reduction and multiplication

simple gear trains

compound gear trains

lubricant types

application, purpose and operation of light vehicle manual transmissions and components, including:

power flows, including:

longitudinal manual transmissions

transaxles

transfer cases

synchromesh operation

gearshift mechanisms

transfer cases, including:

part-time four wheel drives

full-time four wheel drives

all-wheel drives

diagnostic testing procedures for light vehicle manual transmissions, including:

abnormal noise diagnosis

shift diagnosis

repair procedures for light vehicle manual transmissions, including procedures for removing, replacing and adjusting them

post-repair testing procedures for light vehicle manual transmissions.

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