Google Links

Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Prepare to inspect and service emission control system
   • Job requirements are determined from workplace instructions
   • Servicing information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
2. Inspect emission control system
   • Inspection is carried out according to manufacturer specifications, workplace procedures and safety requirements
   • Inspection results are compared with manufacturer specifications
   • Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
3. Service emission control system
   • Service and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Post-service testing is carried out according to workplace procedures
4. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle or machinery 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 inspect and service emission control system
   • Job requirements are determined from workplace instructions
   • Servicing information is sourced and interpreted
   • Hazards associated with the work are identified and risks are managed
   • Tools, equipment and materials are selected and checked for serviceability
6. Inspect emission control system
   • Inspection is carried out according to manufacturer specifications, workplace procedures and safety requirements
   • Inspection results are compared with manufacturer specifications
   • Inspection findings are reported according to workplace procedures, including recommendations for necessary repairs or adjustments
7. Service emission control system
   • Service and adjustments are carried out according to manufacturer specifications, workplace procedures and safety requirements, and without causing damage to components or systems
   • Post-service testing is carried out according to workplace procedures
8. Complete work processes
   • Final inspection is made to ensure work is to workplace expectations and vehicle or machinery 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 mustinclude:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for working with vehicles and machinery that produce toxic exhaust gas.

---

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:

inspect and service two different vehicle or machinery emission control systems on petrol or diesel powered engines.

---

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 emission control systems, including procedures for working with vehicles and machinery that produce toxic exhaust gas

basic principles of emission control, including:

types of vehicle emissions and their effects on the environment

sources of emissions from petrol and diesel vehicles and machinery, including:

fuel system

engine crankcase

engine exhaust system

identification and function of emission control systems, including:

fuel evaporative control systems, including:

fuel tank and cap

charcoal canister

crankcase ventilation systems

exhaust emission control systems, including:

particulate filters

catalytic converters

exhaust gas recirculation (EGR) systems

supplementary catalytic reduction (SCR) systems

inspection procedures for emission control systems, including:

identifying deterioration and damage of components

checking for fuel or exhaust gas leaks

service and adjustment procedures for emission control systems, including cleaning or replacing components as required

post-service testing procedures for emission control systems.

---