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

Elements and Performance Criteria

1. Maintain oxygen mask
   • Oxygen mask is inspected for serviceability in accordance with standard procedures
   • Oxygen mask is tested for serviceability in accordance with standard procedures and manufacturer's specifications
   • Identified faults beyond own authority to rectify are reported to supervisor and faulty oxygen mask is quarantined
   • Unserviceable parts of the oxygen mask are replaced in accordance with standards procedures
   • Communication system components are tested in accordance with standard procedures
   • Oxygen mask is cleaned in accordance with standard procedures
   • Oxygen mask is presented for inspection by supervisor in accordance with standard procedures
   • Maintenance documentation is completed and processed in accordance with standard enterprise procedures
2. Fit oxygen mask
   • Fitting process is explained to the participant so that optimal fit can be achieved through relevant feedback
   • Participant is measured to select an appropriate size oxygen mask
   • Components of oxygen mask are adjusted to optimise fit
   • Integration of the oxygen mask and helmet is confirmed for correct function during operations
   • Oxygen mask fit is verified through participant feedback and by the supervisor
   • Relevant documentation is completed and processed in accordance with standard enterprise procedures

Required Skills

Required skills

Look for evidence that confirms skills in applying OHS practices relating to oxygen mask maintenance processes using MSDS using applicable tools testingmeasuring equipment and maintenance documentation to solder oxygen mask electronicelectrical components test the operation of helmet electronicelectrical components replace unserviceable components in accordance with approved procedures select and use appropriate oxygen mask cleaning materials correctly fit oxygen masks to users safely using the oxygen test rig cleaning and maintaining equipment and tools correctly disposing of hazardous waste

Required knowledge

Look for evidence that confirms knowledge of relevant enterprise procedures and maintenance publications OHS procedures relating to oxygen mask maintenance how to obtain MSDS safety precautions relating to oxygen and the operation of the oxygen test rig requirements for an oxygen mask servicing facility oxygen in flight components of an oxygen mask and their function oxygen mask operation in relation to flight oxygen regulator operation physiological effects of flight hypoxia critical nature of maintaining and fitting oxygen masks need to regularly assess correct fitment of oxygen masks oxygen mask fitting procedures fitting procedures relating to the fitment of oxygen masks to helmets G forces forces of ejection basic electrical principles environmental conditions that may affect oxygen equipment approved cleaning methods for aviation life support equipment handling storage and transit procedures relating to life support equipment handling and storage procedures for oxygen masks types of corrosion and contamination that may affect oxygen masks modification requirements for oxygen masks oxygen mask repair procedures and limitations soldering techniques operation of testing and measuring equipment and tools used to maintain oxygen masks use and storage of adhesives

Evidence Required

The Evidence Guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to maintain and fit oxygen masks while observing all relevant safety precautions especially those relating to oxygen
Critical aspects for assessment and evidence required to demonstrate competency in this unit	The underlying skills inherent in this unit should be transferable across a range of aircraft life support equipment maintenance activities It is essential that oxygen mask testing and inspection procedures cleanliness requirements and safety precautions are fully observed understood and complied with Ability to interpret maintenance and fitting procedures and apply them in practice is critical Evidence of transferability of skills and knowledge related to oxygen mask maintenance and fitting is essential This is to be demonstrated through demonstration of the ability to recognise faults and damage and perform appropriate repairs that are within the bounds of the individuals authority and through the demonstration of correct fitting procedures The work plan should take account of applicable safety and quality requirements in accordance with the industry and regulatory standards A person cannot be assessed as competent until it can be demonstrated to the satisfaction of the workplace assessor that the relevant elements of the unit of competency are being achieved under routine supervision on at least three unserviceable oxygen masks providing a representative range of maintenance tasks and on the correct fitting of oxygen masks to at least three individuals This shall be established via the records in the Log of Industrial Experience and Achievement or where appropriate an equivalent Industry Evidence Guide
Context of and specific resources for assessment	Competency should be assessed in the workplace or simulated workplace using materials tools and equipment specified in the maintenance manuals and applicable procedures It is also expected that general and special purpose tools and ground support equipment would be used where appropriate
Method of assessment
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Standard procedures	Standard procedures may be found in any or all of: state/territory/Commonwealth OHS legislation, regulations and codes Australian Standards equipment manufacturers' specifications and procedures industry practices safety manual maintenance schedules work instructions maintenance organisation manual MSDS Defence regulations and instructions standing instructions
Faults	Faults may include: contamination corrosion cracks excessive wearing fraying incorrect manufacture intermittent communication leaks perishing
Parts of the oxygen mask	Parts of the oxygen mask may include: communication system (e.g. microphone) delivery tube exo-skeleton (e.g. outer shell) face piece (e.g. may include trimming) retention system (e.g. strap) valves
Communication system components	Communication system components may include: microphone electric cables switches
Adjustable components	Components may include: retention system (e.g. strap) seals
	Application of this unit may relate to: scheduled or unscheduled maintenance activities individual or team-related activities

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