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Elements and Performance Criteria

1. Remove general aircraft electrical hardware
   • 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 electrical hardware 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, packaged or discarded in accordance with specified procedures
2. Install general aircraft electrical hardware
   • Electrical hardware components to be installed are checked to confirm correct part numbers, modification status, serviceability and shelf life
   • Physical installation of electrical hardware is carried out in accordance with the applicable maintenance manual
   • System is reinstated to correct physical 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.
Removal and installation of electrical hardware includes one or more of the following connection methods:	Bolted Plug connectors
Electrical hardware includes:	Switches Relays Lamps Terminal blocks Current limiters Circuit breakers Fuses Sockets Potentiometers Capacitors Inductors Magnetic amplifiers Transformers Rheostats Miscellaneous sensors and minor components hard mounted throughout the aircraft Busbars Lugs Ferrules Splices Connectors and electrical, electronic cables and looms
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 procedures

using approved maintenance documentation and aircraft publications relating to miscellaneous aircraft electrical hardware and components

recognising defects in and deterioration of electrical cables to aircraft industry standards, including crimped and soldered joints

correctly interpreting aircraft wire markings, terminal block identification and plug/socket pin numbering systems

inspecting electrical looms and harness pre and post-removal and installation to ensure minimum bends are maintained, cable is not in tension, plugs are correctly aligned, security of route ensures no chaffing of insulation, adequate clipping and cable ties have been utilised and construction complies with aircraft industry standards

positive identification of miscellaneous electrical hardware and/or components in all aircraft systems

plug connector pin removal and insertion.

It is essential that applicable cleanliness requirements and WHS precautions are fully observed, including awareness of electrostatic discharge procedures.

Evidence of transferability of skills and knowledge related to removal and installation is essential.

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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 hardware and plugs

relevant WHS procedures

electrical wiring used in aircraft and wire marking

plug/socket pin numbering and terminal block identification

cable and loom installation requirements

crimping tools and crimp terminals

procedures for removal and insertion of plug connector pins

electrical fundamentals and related mathematical and physics principles.

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