ROTO 123 - Turbomeca Arriel 1 Series Engine

This is an intensive five day (30 hour) course in field maintenance of Turbomeca Arriel 1 Turboshaft type engines. It is intended to bring the learners up to a level of knowledge and skill which will enable them to maintain this type of engine to the standards required for safe operation. Most government and industry requirements for recurrent training are also met when attending this course.


Hours: 30 (Lecture: 15; Shop/Teaching Kitchen: 15)


Total Weeks: 1





Non-Course Prerequisites:
An Aircraft Maintenance Engineering license or graduation from an acceptable Aircraft Maintenance Engineering course.




Course Content:
Introduction and Overview
- Course orientation
- ATA numbering system
- Maintenance publications
- Manual revisions
- Airworthiness directives
- Service bulletins and letters
- Maintenance procedures
- Turbomeca component history records
- Inspections
- Line maintenance levels
- Powerplant general
- Engine Description and operation
Oil System
- Oil Systems
Air System
- Air Systems
Fuel System
- Fuel system
- Fuel control unit
- Fuel pump
- Fuel filter
- Fuel control unit
- Overspeed and drain valve
- Start injector electro-valve
- Main injection system
- Start injectors
- Combustion drain valve
- Fuel system pipes
Control System
- Control systems
- Helicopter adaptation
- Hydraulics of the fuel control unit
Engine Modules and Accessories
- Engine
- Module 5
- Module 4
- Module 2/3
- Rear bearing oil flow check
- Rear bearing cleaning
- Module 1
- Fuel control unit
- Exhaust gas temperature probe - T4 measurement system
- On condition monitoring
- Injector/ignitor
Practical Projects
- Module 5
- Module 4
- Rear bearing
- Module 2/3
- Oil pump
- Oil filter base
- Freewheel shaft
- NG tachometer
- Linking tube
- Starter generator pad and seal
- Fuel control pad and seal
- Bleed valve
- MO1, MO5, G3 rear bearing strainers
- Combustion drain valve
- Injector/ignitor shimming
- Main injection permeability check
- Axial compressor blade erosion check
- Internal borescope of engine


Learning Outcomes:
- Explain the maintenance manual process and documents
- Discuss principles of operation,
- Discuss and identify adaption
- Discuss and identify Main Characteristics
- Discuss and identify engine operation cycles and components
- Discuss and identify the Oil system operation
- Discuss and identify Air systems components
- Discuss and identify Fuel system components
- Discuss and identify flight controls and component operation
- Practical remove and install engine and various components through the process.



Grading System: Percentage


Passing Grade: 70% (In order to receive a certificate for this course you must complete all of the exams with 70% or higher)


Percentage of Individual Work: 100


Textbooks are subject to change.  Please contact the bookstore at your local campus for current book lists.