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Elements and Performance Criteria

1. Remove pressurisation control system components
   • System is rendered safe and prepared in accordance with the applicable maintenance manual and isolation tags are fitted, where necessary, to ensure personnel safety
   • Pressurisation control system component removal is carried out in accordance with the applicable maintenance manual while observing all relevant work health and safety (WHS) requirements
   • Required maintenance documentation is completed and processed in accordance with standard enterprise procedures
   • Removed components are tagged and packaged in accordance with specified procedures
2. Install aircraft pressurisation control system components
   • Pressurisation control system components to be installed are checked to confirm correct part numbers, modification status, serviceability and shelf life
   • Physical installation of pressurisation control components is performed in accordance with the applicable maintenance manual
   • System is reinstated to correct operational condition in preparation for testing, as necessary
   • 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.
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

using approved maintenance documentation and aircraft publications relating to the pressurisation control system and components being maintained

locating and identifying the components of pressurisation control systems

removing and installing pressurisation control system components.

It is essential that cleanliness requirements and safety precautions applicable to the system being maintained are fully observed, understood and complied with, as well as work practices associated with electrostatic sensitive devices.

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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 of components and plugs

relevant WHS practices

the layout and operation to block diagram level of mechanical and electronic pressurisation control systems

handling precautions relating to electrostatic sensitive devices

relevant maintenance manuals

relevant regulatory requirements and standard procedures.

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