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Elements and Performance Criteria

1. Remove pneumatic system components
   • Pneumatic system is rendered safe and prepared in accordance with the applicable maintenance manual and isolation tags are fitted, where necessary, to ensure personnel safety
   • Removal of components is carried out in accordance with the applicable maintenance manual while observing all relevant work health and safety (WHS) requirements, including the use of material safety data sheets (MSDS) and items of personal protective equipment (PPE)
   • Required maintenance documentation is completed and processed in accordance with standard enterprise procedures
   • Removed components are tagged, sealed and packaged in accordance with specified procedures
2. Install pneumatic system components
   • Components to be installed are checked to confirm correct part numbers, serviceability and modification status
   • Installation is carried out to pneumatic system in accordance with the applicable maintenance manual while observing all relevant WHS requirements, including the use of MSDS and items of PPE
   • Required maintenance documentation is completed and processed in accordance with standard enterprise procedures

Range Statement

This field allows for different 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.
Pneumatic components include:	Filters, valves, pumps, motors, actuators and regulators Gauges (direct reading), temperature sensors, pressurisation controllers and temperature controllers Heat exchangers, pressure vessels, condensers, compressors, expansion turbines and humidifiers Rigid and flexible pipelines, hoses and fittings Ducting Fire-extinguishers, including those containing ozone depleting substances (ODS) or synthetic greenhouse gas (SGG) extinguishing agents (e.g. BCF) (where applicable to the enterprise)
Procedures and requirements include:	Industry standard procedures specified by manufacturers, regulatory authorities or the enterprise

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Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

applying relevant WHS practices, including the use of MSDS and PPE

using relevant maintenance documentation and aircraft manuals to:

locate and correctly remove and install components in pneumatic systems, including fire-extinguishing systems

locate and correctly remove and install components in air cycle air conditioning systems

locate and correctly remove and install components in pressurisation systems

correctly remove and install rigid and flexible pipelines

correctly remove and install ducting

observing regulations governing the handling and custody of fire-extinguishers containing ODS or SGG extinguishing agents (e.g. BCF).

It is essential that system cleanliness requirements and safety precautions applicable to the system being maintained are fully observed, understood and complied with.

Evidence of transferability of skills and knowledge related to removal and installation is essential. This may be demonstrated through application across a number of aircraft systems or aircraft types, but must cover a sufficient range of tasks to demonstrate familiarity with attachment methods, connection hardware and couplings peculiar to each type of system, and of safe handling of heavy components.

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Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

component attachment methods

connection hardware and couplings

standard trade practices relating to tool usage and installation/securing of aircraft hardware

how to locate and correctly remove and install components of:

pneumatic systems

air cycle air conditioning system components

pressurisation system components

fire-extinguishers, including the effect of ODS or SGG extinguishing agents and regulations covering special precautions and handling requirements for BCF fire-extinguishers

electrical circuit isolation and plug removal and installation

WHS procedures relating to pneumatic, air conditioning and pressurisation systems

how to obtain MSDS

the selection and use of items of PPE

relevant maintenance manuals

relevant regulatory requirements and standard procedures, including those relating to the handling and control of halon fire-extinguishers.

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