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Questions and Answers
What is workmanship in the context of aircraft maintenance?
What is a standard in the context of aircraft maintenance?
Why is workmanship important for an AME?
What is an important aspect of workmanship?
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What is a key benefit of standards in aircraft maintenance?
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What is the primary purpose of tolerances in aircraft maintenance?
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What is the primary purpose of calibration in aircraft maintenance?
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What is an important aspect of standards in aircraft maintenance?
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What is the importance of checking the expiry date/shelf life of a product?
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What should be done with mixed two-pack sealants after use?
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What is the purpose of dimensions on an aircraft drawing?
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What does the double prime symbol (″) represent in drawings and dimensional specifications?
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What is tolerance in the context of aircraft parts?
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What determines the acceptability of a fabricated aircraft part?
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What is the purpose of a title block on an aircraft drawing?
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What are the two ways of placing dimensions on an aircraft drawing?
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What is the purpose of a 'Shadow Board' in a workshop?
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What is the main purpose of 'Tool Control' in a workshop?
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What is the purpose of 'Tolerances and Allowances' in aircraft maintenance?
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What is the purpose of 'Calibration Standards' in aircraft maintenance?
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What is the purpose of 'Materials Storage' in a workshop?
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What is the purpose of 'Workshop Practices' in aircraft maintenance?
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What is the purpose of 'Dimensions, Tolerances, and Allowances' in aircraft maintenance?
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What is the purpose of 'Tool Identification' in a workshop?
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What is one of the benefits of standards to business?
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What type of standards are only used by the organisation that developed them?
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Who develops national standards in Australia?
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What is the purpose of using the correct tools in aircraft maintenance?
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What is the result of not properly using and caring for tools?
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Why is it important to choose the correct tools for a job?
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What is the result of not having the proper tools and knowledge of how to use them?
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What is the importance of preventative maintenance in tool care?
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What is a crucial aspect of maintaining a safe product for the customer?
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What should be available for all materials used in the workshop?
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Where should flammable materials be stored when not in use?
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Why is it important to comply with the MSDS for individual materials?
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What is a specific requirement for storing certain aircraft sealants?
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What should be designated in the event a missing tool is not found?
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What is a critical aspect of maintaining a safe workshop environment?
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Why is it important to have a clear procedure for reporting missing tools?
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Study Notes
Workshop Practices
- Learning objectives include describing the correct care of tools, control of tools, and use of workshop materials, as well as analyzing dimensions, allowances, and tolerances.
Standards of Workmanship
- Workmanship refers to the degree of skill with which a product is made or a job done.
- Factors contributing to workmanship include:
- The art of skill of a worker
- The quality of the product
- The product or result of the labor and skill of a worker
- Attitudes of the AME, team, and organization
- Duty of care (self, others, and equipment)
- Working done according to a standard
- Workmanship is important for an AME as it directly affects the safety of passengers and crew.
- Standards are an agreed way of doing something, which can be formally recorded and published or informally followed as a company's procedure.
Tool Control
- Tool control includes:
- Care of tools
- Tool identification
- Tool inventory
- Missing tool reporting
- Individual toolboxes
- Shadow boards
- Tool control and foreign object damage
Calibration
- Calibration includes:
- Calibration of tools and equipment
- Calibration standards
- Precision tools and test equipment
- Measuring equipment
- Torque wrenches
- Pressure gauges and transmitters
- Micrometers
- Calibration tags
Hand Tools
- Hand tools include:
- Hammers
- Punches
- Chisels
- Files
- Sheet metal shears
- Cutting pliers
- Screwdrivers
- Spanners
- Other common hand tools
- Each type of hand tool has its own characteristics, uses, and precautions.
Power Tools
- Power tools include:
- Drilling machines
- Electric power tools (wired and cordless)
- Pneumatic power tools
- The riveting gun and set
- Soldering irons
- Each type of power tool has its own characteristics, uses, and precautions.
Measuring Tools
- Measuring tools include:
- Torque wrenches
- Micrometers
- Vernier calipers
- Dial indicators
- Bore gauges
- Digital instruments
- Go/No-Go gauges
- Each type of measuring tool has its own characteristics, uses, and precautions.
Engineering Drawings, Diagrams and Standards
- Engineering drawings and diagrams include:
- Symbols and abbreviations
- Types of drawings (e.g., working drawings, exploded views, sectional drawings)
- Methods of illustrating (e.g., orthographic projection, isometric drawings)
- Title blocks and bills of material
- Dimensioning and tolerancing
- Manufacturers' publications and standards
- Understanding engineering drawings and diagrams is essential for aircraft maintenance.
Fits and Clearances
- Fits and clearances include:
- Classes of fit (e.g., clearance fits, interference fits, transition fits)
- Tolerances and allowances
- Calculating tolerances and clearances
- Inspecting for maintenance limits
- Understanding fits and clearances is crucial for aircraft maintenance.
Springs, Bearings, and Transmissions
- Springs, bearings, and transmissions include:
- Inspection and testing methods
- Maintenance and repair procedures
- Lubrication and storage procedures
- Types of bearings and transmissions
- Understanding springs, bearings, and transmissions is essential for aircraft maintenance.
Aircraft Control Cables
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Aircraft control cables include:
- Cable systems and construction
- Cable termination and inspection
- Cable installation and adjustment
- Turnbuckle locking and travel adjustment
-
Understanding aircraft control cables is crucial for aircraft maintenance.### Sealants
-
It is crucial to check the expiry date/shelf life before using a product to maintain its integrity.
-
After use, ensure the container is properly sealed to enable re-use at a later date.
-
Mixed two-pack sealants need to cure completely before disposal, and then they can be disposed of in accordance with local council/authority regulations.
Dimensions, Tolerances, and Allowances
- Aircraft drawings are dimensioned using a reference edge from which all dimensions are made.
- Dimensions can be placed on an aircraft drawing in two ways: perpendicular to the dimension lines or parallel to the bottom of the drawing.
- The nominal dimension of an aircraft part is the size stated on the drawing.
- A part fabricated from aircraft sheet metal has a maximum and a minimum allowable size.
- Tolerance is the difference between the nominal dimension and the upper and lower limits of size.
Standards
- Standards provide benefits to business and individuals, including accurate measurements, lowered production costs, improved product performance, and more.
- There are three types of standards: private, national, and international.
- National standards are produced by a country's National Standards Body (NSB) and are often enforced by regulation.
- International standards are produced by the International Organisation for Standardisation (ISO).
Tool Control
- Tools are designed to make a job easier and enable efficient work, but they must be properly used and cared for.
- Without the proper tools and knowledge of how to use them, time is wasted, efficiency is reduced, and injuries may occur.
- Tools are expensive and vital equipment, and a little preventative maintenance can prolong their usefulness.
- A clear procedure should be in place for reporting missing tools, including how often tools need to be inventoried and the steps to be taken once a missing tool is reported.
Workshop Practices
- Many types of workshop materials are available, including greases, oils, solvents, sealants, contact cements, paints, and paint strippers.
- A Material Safety Data Sheet (MSDS) and a specification sheet should be available for all materials used in the workshop.
Material Storage
- Storage of flammable materials is crucial for safety and maximum usage.
- Flammable materials should be stored in an appropriate flammable storage facility when not in use.
- Some materials are highly toxic, and it is vital to comply with the MSDS for individual materials, including using PPE and working in a well-ventilated environment.
- Many aircraft sealants require refrigerated storage to ensure they stay usable for their shelf life.
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Description
This quiz is based on the CASA Part 66 training materials, covering workshop practices and standards of workmanship. Test your knowledge of maintenance practices and learning objectives.
