Module Title:Maintenance Practices
Language of Instruction:English
Credits: 10
NFQ Level:6
Module Delivered In 2 programme(s)
Teaching & Learning Strategies: The following tools will be used to teach this module: • Practical project assignments prepared using project based learning techniques • Workshop training sessions to enhance student practical skills • Practical demonstrations of all tooling and equipment • Practical skill development by completing various work pieces
Module Aim: The student will be able to understand, identify and correctly handle standard materials, components, and hardware, as well as comply with safety procedures and basic standard practices that are commonly used throughout the aircraft industry.
Learning Outcomes
On successful completion of this module the learner should be able to:
LO1 Understand the requirement for health and safety in a workshop environment
LO2 Describe the standard maintenance practices that are employed in aircraft maintenance
LO3 Use standard aircraft maintenance tools and procedures and be cognisant of any ethical issues pertaining to their use
LO4 Describe and use the various manuals that are synonymous with Aircraft Maintenance e.g. Maintenance Manual, Wiring Diagram Manual
LO5 Perform standard calculations that may be used in aircraft maintenance
LO6 Use a computer application that will aid the engineer in a design and maintenance environment
Pre-requisite learning
Module Recommendations

This is prior learning (or a practical skill) that is recommended before enrolment in this module.

No recommendations listed
Incompatible Modules
These are modules which have learning outcomes that are too similar to the learning outcomes of this module.
No incompatible modules listed
Co-requisite Modules
No Co-requisite modules listed
Requirements
This is prior learning (or a practical skill) that is mandatory before enrolment in this module is allowed.
No requirements listed
 

Module Content & Assessment

Indicative Content
Safety Precautions - Aircraft and Workshop
Aspects of safe working practices including precautions to take when working with electricity, gases especially oxygen, oils and chemicals. Also, instruction in the remedial action to be taken in the event of a fire or another accident with one or more of these hazards including knowledge on extinguishing agents.
Workshop Practices
Care of tools, control of tools, use of workshop materials; Dimensions, allowances and tolerances, standards of workmanship; Calibration of tools and equipment, calibration standards
Tools
Common hand tool types; Common power tool types; Operation and use of precision measuring tools; Lubrication equipment and methods. Operation, function and use of electrical general test equipment;
Avionic General Test Equipment
Operation, function and use of avionic general test equipment
Engineering Drawings, Diagrams and Standards
Drawing types and diagrams, their symbols, dimensions, tolerances and projections; Identifying title block information; Microfilm, microfiche and computerised presentations; Specification 100 of the Air Transport Association (ATA) of America; Aeronautical and other applicable standards including ISO, AN, MS, NAS and MIL; Wiring diagrams and schematic diagrams. Use of a 3D CAD package.
Fits and Clearances
Drill sizes for bolt holes, classes of fits; Common system of fits and clearances; Schedule of fits and clearances for aircraft and engines; Limits for bow, twist and wear; Standard methods for checking shafts, bearings and other parts.
Electrical Wiring Interconnection System (EWIS)
Continuity, insulation and bonding techniques and testing; Use of crimp tools: hand and hydraulic operated; Testing of crimp joints; Connector pin removal and insertion; Co-axial cables: testing and installation precautions; Identification of wire types, their inspection criteria and damage tolerance; Wiring protection techniques: Cable looming and loom support, cable clamps, protective sleeving techniques including heat shrink wrapping, shielding; EWIS installations, inspection, repair, maintenance and cleanliness standards.
Riveting
Riveted joints, rivet spacing and pitch; Tools used for riveting and dimpling; Inspection of riveted joints.
Pipes and Hoses
Bending and belling/flaring aircraft pipes; Inspection and testing of aircraft pipes and hoses; Installation and clamping of pipes
Springs
Inspection and testing of springs
Bearings
Testing, cleaning and inspection of bearings; Lubrication requirements of bearings; Defects in bearings and their causes.
Transmissions
Inspection of gears, backlash; Inspection of belts and pulleys, chains and sprockets; Inspection of screw jacks, lever devices, push-pull rod systems
Control Cables
Swaging of end fittings; Inspection and testing of control cables; Bowden cables; aircraft flexible control systems
Material handling
Sheet Metal. Marking out and calculation of bend allowance; Sheet metal working, including bending and forming; Inspection of sheet metal work. Composite and non-metallic. Bonding practices; Environmental conditions Inspection methods
Welding, Brazing, Soldering and Bonding
Soldering methods; inspection of soldered joints. Welding and brazing methods; Inspection of welded and brazed joints; Bonding methods and inspection of bonded joints
Aircraft Weight and Balance
Centre of Gravity/Balance limits calculation: use of relevant documents; Preparation of aircraft for weighing; Aircraft weighing;
Aircraft Handling and Storage
Aircraft taxiing/towing and associated safety precautions; Aircraft jacking, chocking, securing and associated safety precautions; Aircraft storage methods; Refuelling/defuelling procedures; De-icing/anti-icing procedures; Electrical, hydraulic and pneumatic ground supplies. Effects of environmental conditions on aircraft handling and operation.
Disassembly, Inspection, Repair and Assembly Techniques
Types of defects and visual inspection techniques. Corrosion removal, assessment and reprotection. General repair methods, Structural Repair Manual; Ageing, fatigue and corrosion control programmes; Non destructive inspection techniques including, penetrant, radiographic, eddy current, ultrasonic and boroscope methods. Disassembly and re-assembly techniques. Trouble shooting techniques
Abnormal Events
Inspections following lightning strikes and HIRF penetration. Inspections following abnormal events such as heavy landings and flight through turbulence.
Maintenance Procedures
Maintenance planning; Modification procedures; Stores procedures; Certification/release procedures; Interface with aircraft operation; Maintenance Inspection/Quality Control/Quality Assurance; Additional maintenance procedures. Control of life limited components, Ethical considerations for engineers
Assessment Breakdown%
Continuous Assessment10.00%
Practical20.00%
End of Module Formal Examination70.00%
Continuous Assessment
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Short Answer Questions Each student will take short answer question exams, administered during term time for which a maximum of 5% will be awarded. 1,2,3,4,5 10.00 Week 23
No Project
Practical
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Practical/Skills Evaluation Each student will complete a series of practical tasks during the module with a brief task report, administered during term time for which a maximum of 20% will be awarded. 3,4,6 20.00 n/a
End of Module Formal Examination
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Formal Exam Each student will sit a formal written examination a the end of the module for which a maximum of 70% will be awarded. 1,2,4,5 70.00 End-of-Semester

ITCarlow reserves the right to alter the nature and timings of assessment

 

Module Workload

Workload: Full Time
Workload Type Frequency Average Weekly Learner Workload
Lecture Every Week 3.00
Practicals Every Week 2.50
Tutorial Every Week 0.50
Total Hours 6.00
 

Module Delivered In

Programme Code Programme Semester Delivery
CW_EEAER_B Bachelor of Engineering (Honours) in Aerospace Engineering 3 Mandatory
CW_EEACS_D Bachelor of Engineering in Aircraft Systems 3 Mandatory