015 Arriel 2B-2B1-2D Syllabus 1st line V08...Turbomeca Training ARRIEL 2B-2B1-2D 1st Line...

Turbomeca Training ARRIEL 2B-2B1-2D 1st Line Maintenance Training Course Syllabus - Category T1 - engine only Edition: March 2012

Training Notes Reference: X 292 M5 960 2 L1 - Edition: February 2012

ARRIEL 2B-2B1-2D1st Line Maintenance

Training Course Syllabus

Category T1 - engine only

TT 015 For Turbomeca Training Network internal use only 1/33


Versions

Reference Date Name Description of the updateV1 15/07/2009 Marc ZANETTE Creation of the fileV2 30/07/2009 Didier DELORME Content update to take into account the New Training MethodV3 11/09/2009 Marc ZANETTE Update of a tool reference ==> TM 0357G004V4 23/10/2009 Didier DELORME Content update to take into account last modifications in with the New Training MethodV5 08/06/2010 Didier DELORME - Content update (grouping of pages in chapters 8 and 9, "External pipes" pages moved after "System

operation" pages in chapter 4 and 6)- Replacement of the Turbomeca Training logo- Addition of the Minimum Maintenance Tasks List (MMTL)

V6 07/03/2011 Didier DELORME Update of the "MMTL" tab to create the new "1st Line Maintenance Practical Work Evaluation Sheet"V7 25/07/2011 Didier DELORME General update to comply with the May 2011 edition of the 1st Line Maintenance Training Notes.V8 23/03/2012 Didier DELORME General update to comply with the February 2012 edition of the 1st Line Maintenance Training Notes.



PART 66theoretical subjects

Gen

eral

eng

ine

(dim

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ons

…)

Tim

e lim

its /

mai

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ance

che

cks

Serv

icin

g /

Doc

umen

tatio

n

Stan

dard

pra

ctic

es,

type

onl

y

Engi

ne p

erfo

rman

ce

Adm

issi

on /

Inle

t

Com

pres

sors

Com

bust

ion

sect

ion

Turb

ine

sect

ion

Exha

ust

Bea

rings

and

sea

ls

Lubr

ican

ts a

nd fu

els

Lubr

icat

ion

syst

ems

Fuel

sys

tem

s

Engi

ne c

ontr

ols

FAD

EC

Air

syst

ems

Star

ting

and

Igni

tion

syst

ems

Engi

ne in

dica

ting

syst

ems

Pow

er p

lant

in

stal

latio

n

Fire

pro

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ion

syst

ems

Engi

ne m

onito

ring

and

grou

nd o

pera

tion

Engi

ne s

tora

ge a

nd

pres

erva

tion

Theo

ry (m

in.)

Prac

tical

(min

.)

ATA 100 chapters 71 5 5 70 71 72 72 72 72 72 79 71 79 73 73 73 75 74/80 77 N/A 26 N/A 71Subject duration (min.) 30 10 10 25 5 10 5 10 5 10 5 110 112 50 78 38 18 101 21 6 111 5

Min. number of questions(1/hour or 2/subject)

2 2 3 2 2 2 2 2 2 2 2 2 3 3 2 3 2 2 2 2 2 2 2

Question number 1-2 3-4 5-7 8-9 10-11 12-13 14-15 16-17 18-19 20-21 22-23 24-25 26-28 29-31 32-33 34-36 37-38 39-40 41-42 43-44 45-46 47-48 49-500/1 Welcome and Introduction 90

2 Power plant 2-914-15

10-13 60

Chap. 02 Maintenance 16-19 20-25 26-27 26-27 503 Engine 2-5

26-276-7 6-9 10-11 12-15 16-17 90

Chap. 03 Maintenance 28-33 1404 Oil system 2-3 2-37 140

Chap. 04 Maintenance 38-43 705 Air system 2-15 50

Chap. 05 Maintenance 16-19 456 Fuel system 2-31

46-8132-45 177

Chap. 06 Maintenance 82-87 707 Control system 2-41 20-23 103

Chap. 07 Maintenance 42-51 408 Measurement and indicating systems 2-31 92

Chap. 08 Maintenance 32-35 709 Starting system 2-9 8-9 38

Chap. 09 Maintenance 10-13 4010 Electrical system 2-9 30

Chap. 10 Maintenance 10-13 3511 Engine installation 2-17 18-19 40

Chap. 11 Maintenance 20-25 4012 Troubleshooting 7013 Checking of knowledge / Revision 60

Exam and conclusion of the course 160Total - Theory/Practical (min.) 1200 600

20 hrs. 10 hrs.Total course duration

Reference pages from the 1st line maintenance training notes

30 hrs.

<<

Trai

ning

not

es c

hapt

ers



1st Line Maintenance Practical Work Evaluation Sheet (1/3)

Course session No.:_________________ Date: from ________________ to ________________ Practical assessor's name: ___________________Signature:

Noteschapter

Maintenancetasks MM chapter

03 Combustion chamber: inspection 72

03 Gas generator turbine blades: inspection 72

03 Axial compressor: inspection of erosion 72

04 Oil filtering element: replacement 72

05 Bleed valve filter: inspection 75

06* Injection wheel: permeability inspection* 72

06* Check the start injector purge valve of the adjusted valve assembly (2D only)* 73

06 Fuel filtering element: replacement 73

07* Record the accumulated number of cycles C1 & C2 in the engine log book* 05

07* Record the values from the creep damage counter in the engine log book (2D only)* 05

07* Make sure that the automatic cycle counting is performed correctly* 73//05

07* Cycle counting test: ground run* 73

08 Pyrometric harnesses: inspection 77

09 Igniter plugs: inspection 72

LEGEND Has seen or heard the task Has performed the task

Minimum Maintenance Task List (MMTL) (1/2)

Note 3: The student must perform at least one practical task.

Note 1: All the tasks in the MMTL must be either seen/heard or performed during the 1st line maintenance course. In addition to the MMTL, the instructor can add other preventive or corrective maintenance tasks (to be recorded in the Additional Maintenance Task List below).

Note 2: Tasks with this symbol * will only be explained during the course as they must be either performed during a ground run, recorded in the engine log book or performed with consumable materials.





Noteschapter


10 Control & indicating harnesses: inspection 71

11 Engine front support: inspection 72

TOTAL ≥1 ≥1 ≥1 ≥1 ≥1 ≥1 ≥1 ≥1 ≥1 ≥1

SURNAMEFirst name

Signature


Minimum Maintenance Task List (MMTL) (2/2)

Note 3: The student must perform at least one practical task.Note 2: Tasks with this symbol * will only be explained during the course as they must be either performed during a ground run, recorded in the engine log book or performed with consumable materials.

Note 1: All the tasks in the MMTL must be either seen/heard or performed during the 1st line maintenance course. In addition to the MMTL, the instructor can add other preventive or corrective maintenance tasks (to be recorded in the Additional Maintenance Task List below).





Noteschapter


TOTAL

Skill assessment

Able to use the technical publications

Able to locate the components

Able to do troubleshooting

TOTAL ≥2 ≥2 ≥2 ≥2 ≥2 ≥2 ≥2 ≥2 ≥2 ≥2

SURNAMEFirst name

Signature


Satisfactory Unsafisfactory

Additional Maintenance Task List (AMTL)



90

Chapter Objective Instructor Student Training Aids NotesMin. Max.

Prepare all the training equipment

- Check the condition of the training engine and its log book, and the availability of the tools- Pre-position all the training equipment and tools as required

This training syllabus gives the essential points that every instructor should cover during the course. The practical

work is done at the end of each chapter.15 Reception +

WelcomeIntroduction + administrative formalities

Identify the group: check attendance + collect passports/identity cards (Bidart only).

Identify him/herself and have a coffee

10 Reception + Welcome

Administrative formalities Ask students to complete the Identification Form and sign the Attendance Sheet / CAUTION: REMINDER OF NEW RULES CONCERNING ABSENCE TO BE EXPLAINED WHILE SIGNING THE FORM.

Complete the documents TT002TT004

10 Personal presentation

Group consolidation Evaluate the profile of the group and try toestablish their level, language + technical (experience)

Introduce himself (explain that he is TM-qualified + experience, etc.), ask each student to introduce him/herself (experience, company, type of aircraft that he/she has worked on, has he/she done the airframe course, etc.)

Introduce him/herself and express any particular needs

35 Company presentation

Present the company to the customers + message / news

Present the slides and give a positive image of the company (proximity, projects, Turbo+, etc.)

Listen and ask questions Latest official company presentation

70

Average duration (minutes):Chapter 00/01 - WELCOME AND INTRODUCTION

TIME

Total Welcome and Introduction



90


Average duration (minutes):Chapter 00/01 - WELCOME AND INTRODUCTION

TIME

2 Chap 00 FOREWORD. FOREWORD.Explain the purpose of the course and state that the Training notes are only for training purposes and that maintenance procedures must be performed using the maintenance documentation.

Training notes

2 Chap 00 Summary. Training notes2 Chap 00 Table of contents. Training notes2 Chap 00 List of abbreviations. Training notes2 Chap 00 Conversion table. Training notes

10 Training notes5 Chap 01 INTRODUCTION. INTRODUCTION.

Public Relations / Company messages / Logistical problemsTraining notes

3 Chap 01 General information. Explain the objectives of the course and the training approach.

Training notes

2 Chap 01 The students should know the objective of the course

Training programme.Present the programme.

Listen and ask questions Training notes

10 Total Chap. 01

Total Chap. 00



110


5 Chap 02 POWER PLANT. The student should know the main characteristics of the engine andits adaptation to the helicopter. He should know how to ask the pilot the right questions about engine ratings. He should know the different generalities concerning maintenance.

POWER PLANT.On the engine, give an overall description of the power plant.

Listen and ask questions Training engine

5 Chap 02 POWER PLANT / General. Listen and ask questions Training notes5 Chap 02 POWER PLANT / Description. Listen and ask questions Training notes

10 Chap 02 POWER PLANT / Operation. Listen and ask questions Training notes5 Chap 02 PRINCIPLE OF ADAPTATION TO THE HELICOPTER. Listen and ask questions Training notes

17 Chap 02 MAIN CHARACTERISTICS / Engine ratings.Emphasise the engine ratings + parallel with Maintenance Manual chap 71 / chap 05. Mention the MTOP 30 min. and the creep damage counting on the 2D version.


8 Chap 02 MAIN CHARACTERISTICS / Engine operating envelope.Explain that the details given are TM figures. Those given in the Flight Manual (helicopter information) may be different and are the official operating figures.


5 Chap 02 DESIGN AND DEVELOPMENT. Listen and ask questions Training notes60

Chapter 02 - POWER PLANT

Total - Chap. 02/Theory

Average duration (minutes):

TIME



110


Chapter 02 - POWER PLANTAverage duration (minutes):

TIME

5 Chap 02 POWER PLANT/ Maintenance. The student will be able to understand the various aspects of maintenance

MAINTENANCE / Maintenance concept. Listen and ask questions Training notes

5 Chap 02

MAINTENANCE / Life limitations.For the 2B/2B1 version, explain that the TBO of the engine andmodules are given in a Service Letter. Cyclic life limits are given in chapter 05 of the Maintenance Manual. Maintenance methods for accessories and components are given in an SL. For the 2D version, these limitations are given in chapter 5 of the Maintenance Manual. Listen and ask questions Training notes

10 Chap 02

MAINTENANCE / Preventive and corrective maintenance.Explain the different aspects of preventive and corrective maintenance.


5 Chap 02

MAINTENANCE / Technical publications - Presentation.Explain the different technical publications and explain what they are used for. Listen and ask questions Training notes

5 Chap 02

MAINTENANCE / Technical publications - Advisory notices.Explain the different advisory notices.


5 Chap 02

MAINTENANCE / Lubricants, Fuels, Materials - Preservation and storage.Explain that all the lubricants, fuels and materials can be found ichapter 71 of the Maintenance Manual. Listen and ask questions Training notes

5 Chap 02MAINTENANCE / Safety management - Human factors.


10 Chap 13 Acquisition of knowledge

QUESTIONNAIRE.In chapter 13, answer the questions relating to chapter 02 of the Training notes. Answer questions Training notes

50 Total - Chap. 02/Maintenance



230


5 Chap 03 ENGINE. The student should know all the parts of the engine, their function and their location.

ENGINE.On the engine, give an overall description.

Participate, answer/ask questions

Training engine

5 Chap 03 Engine presentation / General. Listen and ask questions Training notes5 Chap 03 Engine presentation / Description. Listen and ask questions Training notes5 Chap 03 Axial compressor / Presentation.

Mention the different blade profiles and diffusers between the two versions (2B-B1 & 2D).


5 Chap 03 Centrifugal compressor / Presentation.Mention the abradable coating on the centrifugal compressor cover for the 2D version.


5 Chap 03 Combustion chamber / Presentation. Listen and ask questions Training notes5 Chap 03 Gas generator turbine / Presentation.

Mention that, on the 2D version, the turbine and turbine ring are made of new materials to improve engine performance.


5 Chap 03 Power turbine / Presentation.Mention the new design of the turbine shroud, containment shield and blades on the 2D version. The turbine shroud is fitted with an abradable coating.


5 Chap 03 Exhaust system.Mention the difference between the two versions (2B-2B1 & 2D): length and the hole dedicated to the general air vent pipe.


5 Chap 03 Reduction gearbox / General.Mention the new design of the intermediate gear and casing on the 2D version.


Chapter 03 - ENGINEAverage duration (minutes):

TIME



230


Chapter 03 - ENGINEAverage duration (minutes):

TIME

5 Chap 03 Transmission shaft and accessory gearbox / General.Mention that, on the 2D version, the free wheel is fitted with two bearings.


5 Chap 03 Transmission shaft and accessory gearbox / Sealing of drives.


5 Chap 03 Transmission shaft and accessory gearbox / Operation Listen and ask questions Training notes

10 Chap 03 Engine - Operation Listen and ask questions Training notes15 Chap 13 Acquisition of knowledge Questionnaire.

In chapter 13, answer the questions relating to chapter 03 of the Training notes.

Answer questions Training notes

9015 Chap 03 Location of components COMPONENTS.

On the engine, trace all the components.Identify components and explain their function

Training engine

125 Chap 03 & MM

PRACTICAL WORK/1ST LINE MAINTENANCE. The student should know how to use TM documentation and locate the engine parts. He/she should be able to carry out the 1st line maintenance tasks associated with chapter 03 of the training notes.

PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (combustion chamber inspection, axial compressor erosion check, etc.).

Carry out procedures using themaintenance documentation

Training engine + Specific tools + Maintenance documentation

The student should have followed the documentatione-learning course.

140A/R Chap 03 &

MMADDITIONAL PRACTICAL WORK.

ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (centrifugal breather seal removal/installation, main and rear power drive magnetic carbon seal removal/installation, etc.).



Total Chap. 03/Maintenance

Total Chap. 03/Theory



210


5 Chap 04 OIL SYSTEM. The student should be able to identify all the oil system components, explain how they operate and describe the operation of the oil system as a whole, as well as being ableto carry out routine maintenance on the system.

OIL SYSTEM.On the engine, give an overall description of the oil system.


10 Chap 04 OIL SYSTEM PRESENTATION / General.Emphasise that excessive oil consumption requires a specific maintenance operation to be carried out.


15 Chap 04 OIL SYSTEM PRESENTATION / Description.Explain both circuits (2B-2B1 & 2D).


10 Chap 04 The student should know that certain components of the oil system are supplied by the A/C manufacturer

Oil tank - Oil cooler - Oil pressure transmitter. Explain that the oil tank, oil cooler and oil pressure transmitter (2B/2B1) are supplied by the A/C manufacturer.

Training notes

10 Chap 04 Oil pumps / Presentation. Listen and ask questions Training notes10 Chap 04 Oil filter and heat exchanger / General.

Give an overall description of the oil filter. Emphasise the fact that the filter cannot be cleaned. Mention that the pre-clogging detection is ensured by the EECU on 2D version.


10 Chap 04 Oil filter and heat exchanger / Description - Operation.Explain both filter types and pre-clogging systems (2B-B1 & 2D). In the description, we can go as far as explaining pre-clogging (in this case, only cover the description section on the pre-clogging indicator pages). Talk about dilution, e.g. ask the questions: is there leakage through the O-rings? What would the symptoms be?


5 Chap 04 Oil filter pre-blockage indicator (2B-2B1).Explain how the thermal lock works.


Average duration (minutes):Chapter 04 - OIL SYSTEM

TIME



210



TIME

5 Chap 04 Oil pressure and temperature transmitters (2D).Explain that there is one oil pressure transmitter upstream of the oil filter, and one oil pressure and temperature transmitter downstream of the oil filter.


5 Chap 04 Low oil pressure switch (2B-2B1). Listen and ask questions Training notes5 Chap 04 Mechanical magnetic plugs.

Mention TU 69.Listen and ask questions Training notes

5 Chap 04 Scavenge strainers.Ensure that the students see the difference between the 2 similar scavenge strainers and emphasise that they must not be mixed up: remove and fit one at a time (they can be cleaned).


5 Chap 04 Oil valve assembly. Listen and ask questions Training notes5 Chap 04 Electrical magnetic plug.

Mention the magnetism check and the circuit check, and the effect on cockpit indicators.


5 Chap 04 Centrifugal breather.Explain the function of the little hole in the shaft. Ask questions using the system diagram: what happens if a magnetic carbon seal leaks? What would the symptoms be? Remind students thathey can replace the magnetic carbon seal in 1st line maintenance (corrective maintenance).

15 Chap 04 OIL SYSTEM / Operation.Explain the different phases while following the training notes.

Listen and ask questions Training notes + Training engine

5 Chap 04 External oil pipes.Show the system on the engine, repeat the main points and the oil flow around the system.

10 Chap 13 Acquisition of knowledge Questionnaire.In chapter 13, answer the questions relating to chapter 04 of the Training notes.


140 Total Chap. 04/Theory



210



TIME

15 Chap 04 Location of components COMPONENTS.On the engine, trace all the components.

Identify components and explain their function

Training engine

55 Chap 04 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (mechanical magnetic plug magnetism check, oil dilution check, etc.). Give help/advice as necessary.



70A/R Chap 04 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (oil pumps removal/installation, strainer removal/installation, etc.).






95


2 Chap 05 AIR SYSTEM. The student should be able to identify all the air system components, explain how they operate and describe the operation of the air system as a whole, as well as being ableto carry out routine maintenance on the system.

AIR SYSTEM.On the engine, give an overall description of the air system.


2 Chap 05 AIR SYSTEM PRESENTATION.Present the system.


10 Chap 05 Internal air system.Present the system. Ask what the effect of a damaged labyrinth seal would be. Remind the students of the purpose of the carbon seal on the injection wheel of the Arriel 2 engine.


6 Chap 05 Air tappings.Explain the function of the air tappings.


3 Chap 05 Compressor bleed valve / General.Explain the basics.


8 Chap 05 Compressor bleed valve / Description - Operation. Identifiy the components and explain how they operate.


4 Chap 05 P3 pressure transmitter.Explain the operation.


5 Chap 05 External air pipes.On the engine, trace all the air pipes and components. Repeat the consequences of air leaks (particularly in the power turbine rear bearing pressurisation pipe) and ensure the students understand the different airflows.

Listen and ask questions Training engine + training notes



50

Chapter 05 - AIR SYSTEM


Average duration (minutes):

TIME



95


Chapter 05 - AIR SYSTEMAverage duration (minutes):

TIME



Training engine

40 Chap 05 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (P3 pressure transmitter test, compressobleed valve filter inspection, etc.). Give help/advice as necessary.



45A/R Chap 05 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (compressor bleed valve removal/installation, P3 pressure transmitter inspection, etc.).






247


5 Chap 06 FUEL SYSTEM. The student should be able to identify all the fuel system components, explain how they operate and describe the operation of the fuel system as a whole, as well as being able to carry out routine maintenance on the system.

FUEL SYSTEM.On the engine, give an overall description of the fuel system.


15 Chap 06 FUEL SYSTEM PRESENTATION / General.Explain both systems (2B-2B1 & 2D).


15 Chap 06 FUEL SYSTEM PRESENTATION / Description.Present the main components.


3 Chap 06 Pump and metering unit assembly / Presentation. Present both assemblies (2B-2B1 & 2D).


8 Chap 06 Pump and metering unit assembly / Fuel pumps. Explain both versions (2B-2B1 & 2D). Note the lip seals can be changed in 1st line maintenance. Mention that there is a leak tolerance in trouble shooting manual. Check for shaft splines wear.


5 Chap 06 Pump and metering unit assembly / Fuel filter.Explain both types (2B-2B1 & 2D).Same part number as the oil filter on 2B-2B1 versions.


5 Chap 06 Pump and metering unit assembly / Fuel filter indication.Explain both systems (2B-2B1 & 2D).For the 2B-2B1 versions, mention that there is a maintenance task to carry out in order to check that the pre-clogging pressure switch is operating correctly. If the result of the initial test is out-of-tolerance, this may be because the device has dried out since it was removed. Repeat the test several times to make sure that the out-of-tolerance result was not simply due to this drying phenomenon.


TIME

Chapter 06 - FUEL SYSTEMAverage duration (minutes):



247


TIME


5 Chap 06 Pump and metering unit assembly / Fuel pressure and temperature transmitters (2D).Explain the specific features and operation of this system.


5 Chap 06 Pump and metering unit assembly / Low fuel pressure switch (2B-2B1).Present the system. Mention that there is a maintenance task to carry out.


6 Chap 06 Pump and metering unit assembly / Start purge valve. Explain both types (2B-2B1 & 2D).


10 Chap 06 Pump and metering unit assembly / Metering unit - General.Explain both types (2B-2B1 & 2D).


40 Chap 06 Pump and metering unit assembly / Metering unit - Operation.Start by describing the components of the 2 systems, auto, auto back-up (2B1 & 2D) and manual back-up (2B). In automatic mode: explain the operation in cruise flight with increase and decrease of power. Insist on the fact that the EECU must have the XMV signal during the self test. After in normal operation the EECU does not use the XMV signal (it is not a closed loop). Simulate a major failure and ask the students for their ideas. In manual mode: do the same. Explain mixed mode and insist on the need to respect the procedures given in the Eurocopter Flight Manual. Remind students not to move the twist grip before switching on the power.


6 Chap 06 Fuel valves assembly / Presentation.Explain both types (2B-2B1 & 2D). Mention that the start & stop electro-valves are LRUs. Possibility to remove the lead seal to change them.


6 Chap 06 Fuel valves assembly / Operation.Explain both types (2B-2B1 & 2D). Mention different cases of failures (pressurising valve, stop electro-valve...).


3 Chap 06 Start injectors.Mention the installation procedure and the correct position of the shroud (could cause starting problems). Mention that the penetration check can be performed.



247


TIME


7 Chap 06 Main injection system.Mention that centrifugal forces spray the fuel. Mention that thepermeability check has to be performed. What problem may there be if the O-ring seal is leaking?


3 Chap 06 Combustion chamber drain valve.Mention the practical task.


15 Chap 06 FUEL SYSTEM - OPERATION.Explain the different phases for both versions (2B-2B1 & 2D) by following the training notes.


5 Chap 06 External fuel pipes.On the engine trace all the fuel pipes and components, and ensure the students understand the fuel flows.





Training engine

55 Chap 06 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet.Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (permeability check, fuel filter pre-blockage pressure switch test, etc.).

Carry out procedures using the maintenance documentation


70A/R Chap 06 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (start injectors penetration check, replacement of the seals, etc.).







143


2 Chap 07 CONTROL SYSTEM. The student should be able to understand the logic used by theEECU for fuel flow control. He/she should know the functions ensured by the systemin order to prevent EECUs from being returned to the factory unnecessarily.

CONTROL SYSTEM.On the engine, give an overall description of the control system.


5 CONTROL SYSTEM PRESENTATION / General.EECU presentation, engine, airframe, pilot

5 Chap 07 CONTROL SYSTEM PRESENTATION / Description.Description of both types (2B1-2D & 2B). Insist on the interface, which sensors go directly to the cockpit and which go to the EECU. Mention on the 2D version that, at each power-up, the EECU automatically switches its channels.


5 Chap 07 Understand the EECU ENGINE ELECTRONIC CONTROL UNIT / General. The EECU is not matched to the engine and can be replaced independently.


10 Chap 07 Understand the EECU inputs & outputs

ENGINE ELECTRONIC CONTROL UNIT / EECU inputs and outputs.EECU inputs & outputs. The instructor should not read out the list but make them a subject of discussion.


4 Chap 07 CONTROL SYSTEM - Operation (1).Present the different functions of the EECU.


5 Chap 07 CONTROL SYSTEM - Operation (2).Present the different requirements. Rapid presentation of adaptation requirements. Min N1 about 67 %, max N1 about 102 %.


5 Chap 07 CONTROL SYSTEM - Operation (3).Speed control / General. Reposition the functions of the pilot/engine control loop. Take an example: increase of power by pulling on the collective pitch. Direct connection between the collective pitch and the EECU.


TIME

Chapter 07 - CONTROL SYSTEMAverage duration (minutes):



143


TIME


10 Chap 07 Understand the control logic below and above 45% of N1.

CONTROL SYSTEM - Operation (4). For both versions (2B-2B1 & 2D), present the starting phase on the left graph, Starting, Idle, transition from Idle to Flight. Present the starting fuel flow laws (Basic flow, Starting, T4.5 correction, T4.5 surveillance). Present the different functions. Explain that T4.5 is only used during starting and not during normal operation on 2B-2B1 version only.


10 Chap 07 Understand the basic operation of the speed control loop.

CONTROL SYSTEM - Operation (5). Speed control. Explain the NFT (adjuster in the cokpit, automatic function on 2D version) signal, XTL or XPA (rudder pedal position) and P0 signal function and the XCP (anticipation) signal function. Mention that these signals have a different acronym as a functioof the engine version. Explain the N1 limitation stage, N1 controller, Fuel flow limitation stage and the metering needle control.


5 Chap 07 Understand the manual mode. CONTROL SYSTEM - Operation (6) (2B version only). Explain the principle of manual mode. Explain that in case of major Failure of the EECU. Remind students not to move twist grip before switching on power. Explain the Manual mode training. To exit the training mode, the pilot should select AUTO before returning the twist grip to the neutral notch.


3 chap 07 CONTROL SYSTEM - Operation (7) (Principle of limitations).Explain the max. N1, torque and T4.5 (2D version only) limitatioMention that tthat the max N1 is calculated as a function of T0 and P0.

5 Chap 07 Understand the indication and monitoring

CONTROL SYSTEM - Indication and monitoring (1). Indication and monitoring (2B1-2B). On the 2D version, mention that the N1 & T4.5 signals are transmitted by the EECU to the cockpit indication.


5 Chap 07 Understand failure tolerance andindication

CONTROL SYSTEM - Indication and monitoring (2). Failure tolerance and failure indication. Explain the principle of the 3 levels of failure. Explain the differences between the 2B & 2B1-2D versions.




143


TIME


3 Chap 07 Understand the failure tolerance tables

CONTROL SYSTEM - Indication and monitoring (3). Failure tolerance tables. Present the logic of the failure tolerance tables.


3 Chap 07 Understand the maintenance aidCONTROL SYSTEM - Indication and monitoring (4). Maintenance aid and data exchange with the aircraft. Explain the principle of maintenance aid. Explain also the inputs and outputs through the Arinc 429. Recording in the memory of the last 32 fault reports .


3 Chap 07 CONTROL SYSTEM - General operation.Functions performed by the electronic control system (explain that pink = control functions, yellow = maintenance functions). Detail the different functions.


5 Chap 07 CONTROL SYSTEM / EECU maintenance (2B-2B1). Listen and ask questions Training notes5 Chap 07 CONTROL SYSTEM / EDR maintenance (2D). Listen and ask questions Training notes5 Chap 13 Acquisition of knowledge Questionnaire. In chapter 13, answer the questions relating to

chapter 07 of the Training notes.Answer questions Training notes

10340 Chap 07 &

MMPRACTICAL WORK/1ST LINE MAINTENANCE. The student should know how to use TM documentation and locate the engine parts. He/she should be able to carry out the 1st line maintenance tasks associated with chapter 07 of the training notes.

PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (recording of cycles, automatic cycle counting check, etc.). Give help/advice as necessary.



40A/R Chap 07 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (check of information transmitted over the ARINC 429 serial link, etc.).







162


3 Chap 08 MEASUREMENT AND INDICATING SYSTEMS. The student should be able to identify all the system components, explain how they operate and describe the operation of the measurement and indicating systems. He/she should also be able to carry out routine maintenance on the system.

MEASUREMENT AND INDICATING SYSTEMS.On the engine, give an overall description of the measurement and indicating systems.


4 Chap 08 Understand the measurement and indicating systems

MEASUREMENT AND INDICATING SYSTEMS PRESENTATION.


5 Chap 08 Understand the speed measurement

SPEED MEASUREMENT AND INDICATING SYSTEM / General.On the 2D version, the N1 sensor signal is not used.


5 Chap 08 Understand the N1 speed sensors

SPEED MEASUREMENT AND INDICATING SYSTEM / N1 speed sensors.Mention that the N1 sensors are interchangeable (2B). On the 2D version, the N1C signal is not used.


4 Chap 08 Understand the N2 speed sensors

SPEED MEASUREMENT AND INDICATING SYSTEM / N2 speed sensors.


6 Chap 08 Understand the t4.5 indicating system

T4.5 MEASUREMENT AND INDICATING SYSTEM / Presentation.


20 Chap 08 Understand the t4.5 thermocouple probes

T4.5 MEASUREMENT AND INDICATING SYSTEM / System components.Mention that the T4.5 conformation values are matched to the module M03. On the 2B-2B1 version, calibration of the resistor card can be performed by the customer. On the 2D version, the conformation values are recorded in the EDR.


5 Chap 08 Understand the torque measurement system

TORQUE MEASUREMENT AND INDICATING SYSTEM / Presentation.


10 Chap 08 Understand the torque conformation box

TORQUE MEASUREMENT AND INDICATING SYSTEM / System components.Mention that the torque sensor depth penetration can be adjusted and that the torque conformation values are matched to the module M01. Calibration of the resistor card can be done by customer. On the 2B-2B1 version calibration of the resistor card can be done by customer. On the 2D version, the conformation values are recorded in the EDR.


5 Chap 08 Understand the EDR EDR - Engine Data Recorder (2D). Listen and ask questions Training notes

TIME

Chapter 08 - MEASUREMENT AND INDICATING SYSTEMSAverage duration (minutes):



162


TIME

Chapter 08 - MEASUREMENT AND INDICATING SYSTEMSAverage duration (minutes):

5 Chap 08 Understand the miscellaneous indications

MISCELLANEOUS INDICATIONS / General. Listen and ask questions Training notes

5 Chap 08 Understand the indicators MISCELLANEOUS INDICATIONS / Indicators. Listen and ask questions Training notes5 Chap 08 Understand the Vehicle and

Engine Multifunction Display (VEMD)

MISCELLANEOUS INDICATIONS / VEMD - Presentation. Listen and ask questions Training notes

5 Chap 08 Understand the Vehicle and Engine Multifunction Display (VEMD)

MISCELLANEOUS INDICATIONS / VEMD - Troubleshooting.Present the Troubleshooting Manual and show the correspondence between failure codes and the VEMD.






Training engine

60 Chap 08 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (pyrometric harnesses inspection, etc.). Give help/advice as necessary.



70A/R Chap 08 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (N1 speed sensor removal/installation, torque sensor depth adjustement, conformation boards inspection, calibration of resistors, etc.).







78


3 Chap 09 STARTING SYSTEM. The student will be able to identify all the system components, explain how they operate and describe the operation of the starting system, as well as being able to carry out routine maintenance onthe system.

STARTING SYSTEM.On the engine, give an overall description of the starting system.


10 Chap 09 Understand the starting system STARTING SYSTEM PRESENTATION.Mention that it is very important to respect the stabilisation time before shut-down to avoid any carbonisation of the gas generator rear bearing and also for engine thermal cooling.


3 Chap 09 Understand the starter-generator

STARTER-GENERATOR. Listen and ask questions Training notes

5 Chap 09 Understand the ignition system IGNITION SYSTEM.Ignition unit, igniter plugs and ignition cables.


7 Chap 09 Understand the starting system STARTING SYSTEM - OPERATION.Must emphasise the danger of High-Energy ignition. Mention thathe starting circuit and the crank circuit are different. Describe the cranking procedure.




38

TIME


Chapter 09 - STARTING SYSTEMAverage duration (minutes):



78


TIME

Chapter 09 - STARTING SYSTEMAverage duration (minutes):



Training engine + Training notes

30 Chap 09 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (starting system operational check, etc.). Give help/advice as necessary.



40A/R Chap 09 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (igniter plug penetration check, etc.).






65


3 Chap 10 ELECTRICAL SYSTEM. The student should be able to identify all the system components, explain how they operate and describe the operation of the electrical system, as well as being able to carry out routine maintenance onthe system.

ELECTRICAL SYSTEM.On the engine, give an overall description of the electrical system.


2 Chap 10 Understand the electrical system.

ELECTRICAL SYSTEM PRESENTATION. Listen and ask questions Training notes

5 Chap 10 Understand the alternator. ALTERNATOR / General.Specify that the Alternating Current is transformed into Direct Current in the EECU. Emphasise the importance of installing the rotor correctly on the shaft. Pay particular attention to the pin located on the shaft. The alternator version differs according to the engine version.


5 Chap 10 Understand the alternator. ALTERNATOR / Description - Operation.Specify that the EECU takes its power from the alternator when the power supplied by the alternator is sufficient.


5 Chap 10 Understand the electrical harnesses.

ELECTRICAL HARNESSES.Mention that the harness connector must cover the blue line or red line on the accessory connector. The harness connectors on the EECU must only be tightened by hand. Never use pliers. Specify that there is a T0 connector on the 2B1 & 2D versions.




30

TIME


Chapter 10 - ELECTRICAL SYSTEMAverage duration (minutes):



65


TIME

Chapter 10 - ELECTRICAL SYSTEMAverage duration (minutes):



Training engine

25 Chap 10 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (control harness inspection, etc.). Give help/advice as necessary.



35A/R Chap 10 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (control harness tests, alternator removal/installation, etc.).






80


3 Chap 11 ENGINE INSTALLATION. The student will be able to identify all the system components, explain how they operate and describe the fundamentals of the engine installation, as well as being able to carry out routine maintenance on the system.

ENGINE INSTALLATION.On the engine, give an overall description of the engine installation.


3 Chap 11 Understand the engine compartment.

Engine compartment. Listen and ask questions Training notes

3 Chap 11 Understand engine mounting and lifting.

Engine mounting and lifting. Listen and ask questions Training notes

3 Chap 11 Be familiar with the air intake and exhaust system.

Air intake and exhaust system. Listen and ask questions Training notes

3 Chap 11 Be familiar with the oil system interfaces.

Oil system interfaces.Mention that the general air vent line is supplied by the A/C manufacturer on the 2B-2B1 version. On the 2D version, the general air vent line is in two parts, one supplied by TM and the other supplied by the A/C manufacturer.


3 Chap 11 Be familiar with the fuel system interfaces.

Fuel system interfaces.Highlight the differences between the 2B-2B1 & 2D versions.


3 Chap 11 Be familiar with the electrical system interfaces.

Electrical system interfaces. Listen and ask questions Training notes

3 Chap 11 Understand the drain, purge and air vent system.

Drains - Purges - Air vents. Listen and ask questions Training notes

6 Chap 11 Understand the fire protection system.

Fire protection.Point out the correct connection of the harness on the terminals. Also emphasise the need to correctly identify the temperature rating of the detector during replacement.




40

TIME


Chapter 11 - ENGINE INSTALLATIONAverage duration (minutes):



80


TIME

Chapter 11 - ENGINE INSTALLATIONAverage duration (minutes):



Training engine

25 Chap 11 & MM


PRACTICAL WORK/PREVENTIVE MAINTENANCE. Refer to the 1st Line Maintenance Practical Work Evaluation Sheet. Required and recommended tasks are to be performed by or explained to the students. Ask the students to participate and find the different tasks (drain cluster check, etc.). Give help/advice as necessary.



40A/R Chap 11 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed (turbine casing drain valve assembly removal/installation, etc.).






70


3 Chap 12 TROUBLESHOOTING. The student will be able to analyse the failures evoked in the troubleshooting cases and find the causes of failures.

TROUBLESHOOTING. Listen and ask questions Training notes

2 Chap 12 Understand troubleshooting GENERAL. Listen and ask questions Training notes60 Chap 12 Understand troubleshooting TROUBLESHOOTING.

Divide the students into small groups and give each group a troubleshooting case to study.Ask the groups to discuss the case and determine the probable cause(s) of the failure (allow approx. 30 mins.).Ask each group to present their findings to the whole class and correct them as necessary to validate their analysis.

Participate in the discussion and note down the validated answers

Training notes Proposed new troubleshooting method to favour active participation of students.

5 Chap 12 Understand troubleshooting CONCLUSION.Explain that, despite the high reliability of the engine, failures are inevitable, but can be reduced by taking account of the "enemies" of the engine. Explain what these "enemies" are.


70A/R Chap 12 &


ADDITIONAL PRACTICAL WORK/CORRECTIVE MAINTENANCE. If there is time, corrective maintenance tasks can also be performed.



Chapter 12 - TROUBLESHOOTINGAverage duration (minutes):

TIME




220


60 Chap 13 Continue to check and consolidate the knowledge acquired.

Use the questionnaires in chapter 13 and possibly also the general questionnaire in the training software. Also possibly do revision around the engine and carry out further practical work othe engine.

Answer questions Training software + training notes + training engine

10 Exam Present the exam procedure. Use the PART 147 presentation to explain the exam procedure. Listen and ask questions PART 147 exam presentation

100 Exam Assess the acquisition of knowledge.

Distribute the exam papers to the students and supervise the exam in accordance with the MTOE. Instruct the students to hand in their answer sheets when they have finished and to leavthe room until all the students have finished.

Complete the exam Exam papers, answer sheets and marking guides

15 Correction Correct the exam answer sheets.

Correct the students' exam answer sheets using the relevant marking guide.

Participate in the correction Exam marking guide(s)

20 Correction Go through incorrect answers. Go through any incorrect answers with the students. Participate in the correction

10 Evaluation Evaluate the course. Distribute the course evaluation forms for completion by the students.

Fill in the evaluation form Evaluation form

5 All Finalise the practical work. Make sure that each student has filled in and signed the "1st Line Practical Work Evaluation Sheet".

Fill in and sign the "1st Line Practical Work Evaluation Sheet"

Particular attention

160End of the course

Tidy the classroom and put away all the training equipment

- Check the condition of the training engine and make sure that all the tools are present and accounted for- Note any anomalies concerning the training engine in its log book.

TIME

Chapter 13 - CHECKING OF KNOWLEDGE AND EXAMAverage duration (minutes):

Total - Exam / Conclusion of the course


015 Arriel 2B-2B1-2D Syllabus 1st line V08...Turbomeca Training ARRIEL 2B-2B1-2D 1st Line...

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Transcript of 015 Arriel 2B-2B1-2D Syllabus 1st line V08...Turbomeca Training ARRIEL 2B-2B1-2D 1st Line...