Turbine engine fuel and ignition systems will be reviewed and explained to create the encompassing powerplant understanding of turbine engine theory, operation, systems and integrate them all.
Hours: 32 (Lecture Hours: 32)
Successful Completion of Aircraft Maintenance Technician 2
CAR 566 Part 2.12
12.5 Engine Controls
1. Rigging requirements for gas turbine controls and systems.
2. Adjustments of fuel controls including:
• acceleration/deceleration check
• minimum flow
• maximum speed
• idle speed
• part power trim check
• shut off
3. Mechanical, electronic interface, Full Authority Digital Engine Control (FADEC) systems.
1. Types and requirements of turbine oil.
2. Engine lubrication system principles and component operation including:
• wet sump
• dry sump
• scavenge pumps
• pressure pumps
• oil filters
• bearings and seals
• oil pressure regulator
• air oil separators
• oil coolers
• oil jets
3. Contamination monitoring system operation principles including:
• chip detectors
• spectrometric oil analysis program (SOAP)
1. Types, operation and control of thrust reverse systems including hot and cold stream.
2. Principles of thrust vectoring systems.
3. Principles and engine trimming associated with exhaust ducts.
1. General air systems of turbine engines including the following:
• anti-ice air
• de-ice air
• bleed valves
• customer bleed air
• case cooling/heating (clearance control)
• control air
• temperature and pressure regulation
12.9 Engine Indicating Systems
1. Principles and operation of engine indicating systems including:
• speed indication
• temperature indication
• pressure indication
• flow metering systems
• quantity indication (oil quantity)
• fault detection (chip detector, filter bypass)
• power indication systems engine pressure ratio (EPR)
• torque indication
• status enunciators
• built in test equipment (BITE) system
• vibration indication
12.10 Gear Box
1. Purpose, function and types of engine gear boxes including:
• accessories and accessory drives
• gear reduction systems
• attachment devices
• fault detection analysis -chip detectors and filter attachment
• torque measurement system
• gear types
12.11 Engine Water Injection
1. The purpose and operation of water methanol injection systems.
11.6 Installing, Testing, Troubleshooting Engines
1. Run-in procedures including testing and troubleshooting.
2. The purpose and procedure for engine inhibiting.
12.2 Fuel and Control
1. Types and operation of turbine engine ignition systems and their components including:
• low tension (glow plugs)
• high tension (capacitive discharge)
• auto re-light
2. Turbine engine ignition system safety precautions.
• fuel system indication (flow pressure and temperature
1. Design and components of starting systems.
2. The operation of various turbine engine starters including air turbine starters, electrical starters, (motor and starter-generator).
3. Inspection and servicing procedures for starting systems.
4. The operation of an auto-start system.
12.12 Inspection/Servicing Turbines
1. Handling and safety precautions.
2. The purpose and procedures for trend monitoring and power checks.
3. Fundamentals of vibration analysis.
4. Turbine engine inspection procedures including:
• hot end inspection
• borescope inspection.
5. The engine start and shut down procedure.
6. Requirements and procedures for compressor wash.
7. Safety precautions and hazards while ground running including:
• foreign object ingestion
• jet/prop blast
• turbine burst
• hazards created by deviation from procedures (integrated systems)
• aircraft restraint (chocks, tie downs etc.).
8. Engine installation and test procedure
The student will develop effective troubleshooting techniques that can be applied to various situations. The student will identify and develop strategies for preventing human errors while accomplishing maintenance on aircraft. The student will be able to explain various systems such as fuel, ignition, and starting.
Grading System: Percentage
Passing Grade: 70%
Percentage of Individual Work: 100
Textbooks are subject to change. Please contact the bookstore at your local campus for current book lists.