cfm56 7 b-answerbook

TRAINING MANUAL

CFM56-7B

COMPONENT IDENTIFICATIONANSWERBOOK

JANUARY 2004

CTC-189 Level 3

CFM56-ALL TRAINING MANUAL

GENERAL Page 1Issue 01

EFFECTIVITYALL CFM56 ENGINES

CFMI PROPRIETARY INFORMATION

CFMI Customer Training CenterSnecma Services

Site de Melun-Montereau,Aérodrome de Villaroche

Chemin de Viercy, B.P. 1936,77019 - Melun Cedex

FRANCE

CFMI Customer Training ServicesGE Aircraft Engines

Customer Technical Education Center123 Merchant Street

Mail Drop Y2Cincinnati, Ohio 45246

USA

Published by CFMI

THIS PAGE INTENTIONALLY LEFT BLANK









This CFMI publication is for Training Purposes Only. The information is accurate at the time of compilation; however, no update service will be furnished to maintain accuracy. For authorized maintenance practices and specifications, consult pertinent maintenance publications.

The information (including technical data) contained in this document is the property of CFM International (GE and SNECMA). It is disclosed in confidence, and the technical data therein is exported under a U.S. Government license. Therefore, None of the information may be disclosed to other than the recipient.

In addition, the technical data therein and the direct product of those data, may not be diverted, transferred, re-exported or disclosed in any manner not provided for by the license without prior written approval of both the U.S. Government and CFM International.

COPYRIGHT 1998 CFM INTERNATIONAL




USERS GUIDECOMPONENT IDENTIFICATION

Page 5Issue 01

USERS GUIDE





Page 6Issue 01

VIEWING POINT KEY :

FWD LOOKING AFT(FLA)

AFT LOOKING FWD(ALF)

AFT LOOKING FWD(ALF)

VIEWED FROM ABOVE VIEWED FROM ABOVE

VIEWED FROM BELOW

ENGINE RH SIDE

VIEWED FROM BELOW

ENGINE LH SIDE

SIDE VIEW SIDE VIEW





Page 7Issue 01

MATCH THE NAME OF THE COMPONENT TO THE CORRECT ANSWER.

Enter the item number in the left hand column that corresponds with the identification of the line, accessory or component shown in the picture. Then enter the item number in the right hand column that corresponds with the purpose for the line, accessory, or component shown in the picture.

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Page 8Issue 01

EFFECTIVITYB737-600, -700, -800, -900, -BBJ, COMBI, C40A/ALL


CFM56-7B TRAINING MANUAL

COMPONENTIDENTIFICATION

ANSWERBOOK

Page 9Jan 04

COMPONENT IDENTIFICATION ANSWERBOOK





ANSWERBOOK

Page 10Jan 04

CTC-189-001-01

1

2

3

94

5

6

7

8

10





ANSWERBOOK

Page 11Jan 04

ITEM NO.

IDENTIFICATIONITEM NO.

PURPOSE

3 Platform 5 Provides alignment to the # 1 position for engine balancing.10 Spinner rear cone 9 Threaded hole to remove the spinner front cone.9 Jackscrew hole 10 Contains the fan blade spacers and the retaining ring.7 Balance screw 3 Aerodynamic surface between the fan blades.5 Spherical indent 7 Enables engine balancing if vibration is abnormal.2 Fan blade 8 Provides protection against ice formation.4 Abradable material 2 Provides most of the thrust produced by the engine.6 Splitter fairing 6 Divides the secondary and primary airflows.

1 T12 sensor 4Enables minimum clearance to be maintained between the fan blades and the fan case.

8 Spinner front cone 1 Monitors fan inlet temperature.





ANSWERBOOK

Page 12Jan 04

CTC-189-005-01

5

4

1

2

3

6

8

7





ANSWERBOOK

Page 13Jan 04

ITEM NO.


PURPOSE

3 Thrust reverser 1 Holds the thrust reverser open for maintenance.

6 Blocker door 4Mechanically locks the thrust reverser actuator in the open position.

1 Opening actuator 2 Connection for the hand pump to open the thrust reverser.

2 Inlet fitting 5A backup lock to keep the opening actuator in the open position.

5 Safety lock 3 Reduces engine speed after landing.4 Lock collar 6 Diverts secondary airflow.7 Locking actuator 7 Commands deploy/stow of thrust reverser.8 Hold-open rod 8 Supports the fan cowl for maintenance.





ANSWERBOOK

Page 14Jan 04

CTC-189-006-01

13

2





ANSWERBOOK

Page 15Jan 04

ITEM NO.


PURPOSE

1 Fan cowl 1Provides access for maintenance of the RH side of the fan module.

3 T12 access panel 2 Provides an access for servicing the oil tank.

2 Oil tank filler door 3Provides an access to the sensor, which measures fan inlet temperature.





ANSWERBOOK

Page 16Jan 04

CTC-189-007-01

1

4

2

7

9

8

5

6

3





ANSWERBOOK

Page 17Jan 04

ITEM NO.


PURPOSE

8 N1 speed sensor 1 Provides vibration data to the flight compartment.3 Transmitter 3 Provides oil quantity data to the flight compartment.

1 Sensor connector 2Provides remote pressure servicing (optional) of the oil tank.

5 Exciter box 5Produces high voltage pulses to energize the spark igniters.

4 Ignition lead 8Provides N1 speed information to the EEC and flight compartment.

9 Oil fill port and oil scupper 7 Indicates serial number, thrust ratings, etc.7 Engine data plate 4 Provides electrical energy for the RH igniter plug.

2 Remote oil filling ports 9Provides an opening to fill the oil tank and a drain area if the oil is spilt.

6 Sight glass 6Provides an external means of checking the oil quantity inside the oil tank.





ANSWERBOOK

Page 18Jan 04

CTC-189-008-01

2

1

6

5

3

4

7





ANSWERBOOK

Page 19Jan 04

ITEM NO.


PURPOSE

2 EEC air inlet duct 1 Provides hot air flow in the engine inlet cowl.

1 Thermal anti-ice valve 2Provides cooling airflow to the Electronic Engine Control (EEC) unit.

5 EEC air outlet 7 Provides the EEC with engine configuration data.

3 Shock absorber 4Provides the serial number, part number and software version.

7 ID plug 5 EEC cooling air exit.4 ID plate 3 Provides the EEC with isolation from vibrations.6 Pressure switch 6 Monitors air pressure provided to the engine inlet cowl.





ANSWERBOOK

Page 20Jan 04

CTC-189-012-00

23

4

5

6

1





ANSWERBOOK

Page 21Jan 04

ITEM NO.


PURPOSE

4 Fan cowl 6 Mechanical fasteners to secure the fan cowls.6 Latches 5 Allows servicing of the IDG.

5 IDG access door 4Provides protection and aerodynamic airflow over the engine LH fan module area.

1 Air inlet duct 3 Discharges hot airflow from the engine inlet cowl.3 Anti-ice system airflow outlet 2 Provides air discharge for the starter.2 Fan cowl airflow outlet 1 Provides cooling air to the EEC.





ANSWERBOOK

Page 22Jan 04

CTC-189-013-01

1

3 4

2





ANSWERBOOK

Page 23Jan 04

ITEM NO.


PURPOSE

4 Low Pressure Turbine major module 1 Provides air into the engine.1 Inlet cowl 3 Provides the energy to operate the engine.3 Core major module 4 Extracts the energy to turn the fan and LPC.2 Fan major module 2 Provides 80% of the thrust to operate the engine.





ANSWERBOOK

Page 24Jan 04

CTC-189-014-01

8

6

9

5

3

2

1

7

4





ANSWERBOOK

Page 25Jan 04

ITEM NO.


PURPOSE

4 Hydromechanical Unit (HMU) 5 Provides electrical power to the EEC.8 Fuel pump 6 Provides N2 speed to the EEC and aircraft systems.1 Integrated Drive Generator (IDG) 3 Filters oil from the engine oil return.2 Fuel filter 7 Provides N2 rotation using air pressure.6 N2 speed sensor 2 Filters fuel from the fuel pump.3 Oil scavenge filter 8 Provides fuel to the engine fuel systems.

7 Starter 4Provides the hydraulic pressure to operate the servo systems.

5 Alternator 1Provides the primary electrical energy for the aircraft electrical systems.

9 Turnbuckle 9 Adjustable rod to secure the AGB to the fan frame.





ANSWERBOOK

Page 26Jan 04

CTC-189-015-01

6

1

54

2

3





ANSWERBOOK

Page 27Jan 04

ITEM NO.


PURPOSE

1 IDG fuel/oil cooler 4Connection for the differential pressure switch for the engine scavenge oil filter.

3 IDG oil cooler oil IN line 1 Cools IDG hot oil with fuel.2 IDG oil cooler oil OUT line 2 Provides cool oil back to the IDG.5 IDG air/oil cooler 3 Brings hot oil to be cooled by the IDG oil cooler.4 Electrical connector 6 Reduces engine noise.6 Aft acoustical panel 5 Cools IDG oil using fan air in a heat exchanger.





ANSWERBOOK

Page 28Jan 04

CTC-189-017-01

2

13

4





ANSWERBOOK

Page 29Jan 04

ITEM NO.


PURPOSE

3 Hydraulic pump 1 IN line to the hydraulic pump.1 Hydraulic line IN 3 Provides hydraulic fluid pressure to the airplane systems.

4 Hydraulic line OUT 2Provides hydraulic pump operation electrical information to the airplane.

2 Electrical connection 4 OUT line from the hydraulic pump.





ANSWERBOOK

Page 30Jan 04

CTC-189-019-01

4

3

6

2

5

1





ANSWERBOOK

Page 31Jan 04

ITEM NO.


PURPOSE

1 Manual drive 4 Provides normal supply air pressure to the starter.4 Starter air valve (SAV) 1 Allows manual opening of the starter air valve (SAV).

6 Fuel flow transmitter 3Supplies engine oil temperature information to the aircraft for indication.

2 In-line fuel filter 6 Provides fuel flow information to the aircraft for indication.

3 Oil temperature sensor 5Supplies engine oil pressure information to the aircraft for indication.

5 Oil pressure sensor 2 Provides downstream protection to the fuel nozzles.





ANSWERBOOK

Page 32Jan 04

CTC-189-023-01

1

3

2422

ITEM NO.


PURPOSE

3 Accessory Gear Box (AGB) 1 Provides the N2 drive for the AGB.

1 Transfer Gear Box (TGB) 3Supports and turns the accessories for the engine and aircraft.

2 Main fuel/oil heat exchanger 4Heats the engine fuel to prevent ice particles entering the engine servo systems.

4 Servo fuel heater 2 Provides cooling of the engine oil.





ANSWERBOOK

Page 34Jan 04

CTC-189-026-01

3

41

2





ANSWERBOOK

Page 35Jan 04

ITEM NO.


PURPOSE

3 Lubrication unit 1 Allows the oil supply filter to be drained.4 Magnetic chip detector 2 Provides a clogging indication of the supply oil filter.2 Pop-out indicator 4 Allows inspection for sumps debris.1 Plug 3 Provides the oil supply and return for the engine oil system.





ANSWERBOOK

Page 36Jan 04

CTC-189-030-01

2

13





ANSWERBOOK

Page 37Jan 04

ITEM NO.


PURPOSE

1 Anti-leakage valve 2 Outlet port to the lubrication unit.

2 Oil line (outlet) 1Allows removal of the lubrication unit without draining the oil tank.

3 Oil line (command) 3Supplies pressurized oil to keep the anti-leakage valve open.





ANSWERBOOK

Page 38Jan 04

CTC-189-031-01

1

2 3 4 5 6 7 8





ANSWERBOOK

Page 39Jan 04

ITEM NO.


PURPOSE

2 RH VBV actuator drain line8 LH VBV actuator drain line4 RH VSV actuator drain line7 LH VSV actuator drain line6 Transient Bleed Valve drain line5 HPTACC valve drain line

3LPTACC valve and burner staging valve drain line

1 Strut drain line





ANSWERBOOK

Page 40Jan 04

CTC-189-036-01

1

2

3

4

5





ANSWERBOOK

Page 41Jan 04

ITEM NO.


PURPOSE

1 LVDT connector 2 Supports and provides rigidity to the fan frame.4 Outlet guide vanes (OGV) 5 Provides high pressure bleed air control.3 LH VBV actuator 4 Redirect the air out of the booster.

5 High pressure bleed air regulator 1Sends electrical feedback signals to the EEC, to provide information on the VBV actuator position.

2 Strut 3Provides the mechanical drive power to operate the VBV doors.





ANSWERBOOK

Page 42Jan 04

CTC-189-037-01

3

2

1

4





ANSWERBOOK

Page 43Jan 04

ITEM NO.


PURPOSE

1 Variable Stator Vane (VSV) bellcrank 2Uses hydraulic fluid to produce a mechanical force to move the bellcrank assembly.

2 VSV actuator 1Changes the hydraulic actuator movement into a mechanical movement, to open and close the VSV’s.

3 VSV stage 4 4 To optimize HPC efficiency and improve stall margins.4 VSV stage 3 3 To optimize HPC efficiency and improve stall margins.





ANSWERBOOK

Page 44Jan 04

CTC-189-039-01

5

1

4

3

2





ANSWERBOOK

Page 45Jan 04

ITEM NO.


PURPOSE

1 Variable Bleed Valve (VBV) door 3 Provides air to cool the LP turbine stator case.

2 Fan duct panel (removed) 4Provides attachment for the thrust reverser system and core cowl air sealing.

3 Air inlet scoop 2Provides a cover over the VBV and an air outlet when VBV’s are open.

4 Internal V-groove panel 1Diverts primary airflow into secondary airflow to prevent booster stall.

5 VBV connecting rod 5Changes the hydraulic actuator movement into a mechanical movement to open and close the VBV doors.





ANSWERBOOK

Page 46Jan 04

CTC-189-041-01

1

2

4

3





ANSWERBOOK

Page 47Jan 04

ITEM NO.


PURPOSE

1 9th stage bleed air duct 4Supplies low pressure bleed air for HPT rotor and HPT shroud clearance control.

4 4th stage bleed air duct 1Supplies high pressure bleed air for HPT rotor and HPT shroud clearance control.

2 HPTACC valve 3 Supplies vibration monitoring data to the AVM.

3 FFCCV electrical connection 2Controls the clearance between the HPT rotor and HPT shroud.





ANSWERBOOK

Page 48Jan 04

CTC-189-042-01

4

1

3

5

2

6





ANSWERBOOK

Page 49Jan 04

ITEM NO.


PURPOSE

3 Fuel spray shield (removed) 5 Supply cooling air around the LPT case.

1 T5 sensor (optional) 3Provides protection against fuel going over the engine if a leak occurs.

5 Cooling tubes 2 Supplies cooling air to the LPT cooling tubes.2 Air duct 4 Supply the EEC with EGT information.

4 Harness and probes 1Provides the EEC with LPT exhaust temperature information.

6 Fire loop detection sensors 6Sense engine fires and send the information to the flight compartment.





ANSWERBOOK

Page 50Jan 04

CTC-189-045-01

5

1

4

3

2





ANSWERBOOK

Page 51Jan 04

ITEM NO.


PURPOSE

5 Igniter plug 2 Controls the fan air to the LPT case.2 LPTCC valve 3 Ducts cooling air to the HPT shroud support.4 LPT nozzle cooling manifold 4 1 of 4 tubes that cool the LPT nozzles with 4th stage air.3 HPT air duct 1 Provide access to the HPC for inspection.1 Borescope plugs S7 - S9 5 Provides electrical sparks to start, or maintain combustion.





ANSWERBOOK

Page 52Jan 04

CTC-189-046-01

3

4

1

2





ANSWERBOOK

Page 53Jan 04

ITEM NO.


PURPOSE

4 High stage bleed air valve 3 Provides cooling air to the ignition leads.1 Ignition lead 4 Provides 9th stage bleed air to the aircraft.2 Ignition lead 1 Provides high voltage pulses to the LH igniter plug.3 Air manifold 2 Provides high voltage pulses to the RH igniter plug.





ANSWERBOOK

Page 54Jan 04

CTC-189-047-01

1

2

3

4





ANSWERBOOK

Page 55Jan 04

ITEM NO.


PURPOSE

3 Transient Bleed Valve (TBV) actuator 4 Controls 9th stage air bleed to ease engine acceleration.

2 Electrical connection 2Connects the TBV LVDT with the EEC to provide position information.

1 Burner Staging Valve (BSV) 3 Operates the TBV butterfly.4 Transient Bleed Valve (TBV) 1 Controls the fuel flow to the staged fuel nozzles.





ANSWERBOOK

Page 56Jan 04

CTC-185-048-01

34

1

2





ANSWERBOOK

Page 57Jan 04

ITEM NO.


PURPOSE

2 High stage bleed air valve 2 Controls 9th stage bleed air to the airplane.1 5th stage bleed air check valve 3 Provides access to the HPT rotor trailing edge.4 PS3 line (also called CDP) 4 9th stage air sensor line.3 Borescope plug 1 Prevents 9th stage bleed air reverse flow into the HPC.





ANSWERBOOK

Page 58Jan 04

CTC-189-051-01

2

3

1

4





ANSWERBOOK

Page 59Jan 04

ITEM NO.


PURPOSE

2 Fuel nozzle 1 Provides information on the CDP to the EEC.1 T3 sensor 2 Sprays fuel into the single annular combustor.3 Supply manifold 4 Prevents leakage if the B-nut comes loose.4 Drain shroud 3 Distributes fuel to the nozzles.





ANSWERBOOK

Page 60Jan 04

CTC-189-053-00

1

2

3





ANSWERBOOK

Page 61Jan 04

ITEM NO.


PURPOSE

1 Oil supply tube 1 Provides oil to the rear sump. 3 Oil scavenge tube 2 Drains the LPT case. 2 Drain nipple 3 Returns oil from the rear sump.





ANSWERBOOK

Page 62Jan 04

CTC-189-055-01

1

4

2

3





ANSWERBOOK

Page 63Jan 04

ITEM NO.


PURPOSE

2 Air valve 3 Fire bottle discharge to extinguish engine fires.1 Thrust link 2 Controls the quantity of fan air directed to the precooler.3 Distribution tube 1 Transmits the thrust between the engine and aircraft.4 Precooler 4 Cools the bleed air for aircraft systems.





ANSWERBOOK

Page 64Jan 04

CTC-189-057-00

1

2

3





ANSWERBOOK

Page 65Jan 04

ITEM NO.


PURPOSE

2 Primary exhaust nozzle 3 Contain engine fires.1 Rear engine mount 2 Ducts the primary flow.3 Labyrinth seals 1 Supports the engine.





ANSWERBOOK

Page 66Jan 04

CTC-189-059-01

3

1

2

4





ANSWERBOOK

Page 67Jan 04

ITEM NO.


PURPOSE

1 Exhaust 3 Stops fire from engering the engine center vent tube.3 Flame arrestor 1 Exhausts primary air.

2 Thrust reverser 2Slows down the airplane after landing, using up to 80% of fan air.

4 Link 4 Transmits thrust from engine to aircraft.






ANSWERBOOK

Page 68Jan 04

INDEX




INDEXCOMPONENT IDENTIFICATION

Page 69Sep 03





Page 70Sep 03

COMPONENT NAME PAGE COMPONENT NAME PAGE

4th stage bleed air duct . . . . . . . . . . . . . . . . . . . . . . . . . 475th stage bleed air check valve . . . . . . . . . . . . . . . . . . . 579th stage bleed air duct . . . . . . . . . . . . . . . . . . . . . . . . . 47Abradable material . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Accessory Gear Box (AGB) . . . . . . . . . . . . . . . . . . . . . . 33Aft acoustical panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Air duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Air inlet duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Air inlet scoop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Air manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Anti-ice system airflow outlet . . . . . . . . . . . . . . . . . . . . . 21Anti-leakage valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Balance screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Blocker door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Borescope plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Borescope plugs S7 - S9 . . . . . . . . . . . . . . . . . . . . . . . . 51Burner Staging Valve (BSV) . . . . . . . . . . . . . . . . . . . . . 55Cooling tubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Core major module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Drain shroud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59EEC air inlet duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19EEC air outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Electrical connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Engine data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Exciter box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Fan blade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Fan cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Fan cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Fan cowl airflow outlet . . . . . . . . . . . . . . . . . . . . . . . . . . 21Fan duct panel (removed) . . . . . . . . . . . . . . . . . . . . . . . 45Fan major module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23FFCCV electrical connection . . . . . . . . . . . . . . . . . . . . . 47Fire loop detection sensors . . . . . . . . . . . . . . . . . . . . . . 49Flame arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Fuel flow transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Fuel nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59Fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Fuel spray shield (removed) . . . . . . . . . . . . . . . . . . . . . 49Harness and probes . . . . . . . . . . . . . . . . . . . . . . . . . . . 49High pressure bleed air regulator . . . . . . . . . . . . . . . . . 41High stage bleed air valve . . . . . . . . . . . . . . . . . . . . . . . 53High stage bleed air valve . . . . . . . . . . . . . . . . . . . . . . . 57Hold-open rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13HPTACC valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47HPTACC valve drain line . . . . . . . . . . . . . . . . . . . . . . . . 39HPT air duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Hydraulic line IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Hydraulic line OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29





Page 71Sep 03


Hydromechanical Unit (HMU) . . . . . . . . . . . . . . . . . . . . 25IDG access door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21IDG air/oil cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27IDG fuel/oil cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27IDG oil cooler oil IN line . . . . . . . . . . . . . . . . . . . . . . . . . 27IDG oil cooler oil OUT line . . . . . . . . . . . . . . . . . . . . . . . 27ID plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19ID plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Igniter plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Ignition lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Ignition lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Ignition lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53In-line fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Inlet cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Inlet fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Integrated Drive Generator (IDG) . . . . . . . . . . . . . . . . . 25Internal V-groove panel . . . . . . . . . . . . . . . . . . . . . . . . . 45Jackscrew hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21LH VBV actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41LH VBV actuator drain line . . . . . . . . . . . . . . . . . . . . . . 39LH VSV actuator drain line . . . . . . . . . . . . . . . . . . . . . . 39Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Locking actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Lock collar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Low Pressure Turbine major module . . . . . . . . . . . . . . . 23LPTACC valve and burner staging valve drain line . . . . 39

LPTCC valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51LPT nozzle cooling manifold . . . . . . . . . . . . . . . . . . . . . 51Lubrication unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35LVDT connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Magnetic chip detector . . . . . . . . . . . . . . . . . . . . . . . . . 35Main fuel/oil heat exchanger . . . . . . . . . . . . . . . . . . . . . 33Manual drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31N1 speed sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17N2 speed sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Oil fill port and oil scupper . . . . . . . . . . . . . . . . . . . . . . . 17Oil line (command) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Oil line (outlet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Oil pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Oil scavenge filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Oil tank filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Oil temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . 31Opening actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Outlet guide vanes (OGV) . . . . . . . . . . . . . . . . . . . . . . . 41Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Pop-out indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19PS3 line (also called CDP) . . . . . . . . . . . . . . . . . . . . . . 57Remote oil filling ports . . . . . . . . . . . . . . . . . . . . . . . . . . 17RH VBV actuator drain line . . . . . . . . . . . . . . . . . . . . . . 39RH VSV actuator drain line . . . . . . . . . . . . . . . . . . . . . . 39Safety lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13





Page 72Sep 03


Sensor connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Servo fuel heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Shock absorber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Sight glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Spherical indent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Spinner front cone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Spinner rear cone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Splitter fairing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Starter air valve (SAV) . . . . . . . . . . . . . . . . . . . . . . . . . . 31Strut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Strut drain line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Supply manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59T12 access panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15T12 sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11T3 sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59T5 sensor (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Thermal anti-ice valve . . . . . . . . . . . . . . . . . . . . . . . . . . 19Thrust reverser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Thrust reverser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Transfer Gear Box (TGB) . . . . . . . . . . . . . . . . . . . . . . . 33Transient Bleed Valve (TBV) . . . . . . . . . . . . . . . . . . . . . 55Transient Bleed Valve (TBV) actuator . . . . . . . . . . . . . . 55Transient Bleed Valve drain line . . . . . . . . . . . . . . . . . . 39Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Turnbuckle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Variable Bleed Valve (VBV) door . . . . . . . . . . . . . . . . . 45

Variable Stator Vane (VSV) bellcrank . . . . . . . . . . . . . . 43VBV connecting rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45VSV actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43VSV stage 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43VSV stage 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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