CFM-56 Component Identification WorkBook
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EFG COMPONENT IDENTIFICATION WORKBOOK
CFM56-7B
Jan 1999 CTC-188
FE G
CFM56-7B
TRAINING MANUAL
COMPONENT IDENTIFICATION WORKBOOK
Published by CFMI CFMI Customer Training Center Snecma (RXEF) Direction de l’Après-Vente Civile MELUN-MONTEREAU Aérodrome de Villaroche B.P. 1936 77019 - MELUN-MONTEREAU Cedex FRANCE
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
CFMI Customer Training Services GE Aircraft Engines Customer Technical Education Center 123 Merchant Street Mail Drop Y2 Cincinnati, Ohio 45246 USA
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 1 Jan 99
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CFM56-7B
TRAINING MANUAL
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TRAINING MANUAL
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
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SECTION
Topic
Page Numbers
1.
Table of Contents
5
2.
Component Identification Exercice
7-127
Objectives Component Identification Exercise Instructions Component Identification Exercise 3.
7 8-9 10-127
Appendix A
128-134
Index
129-134
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ENGINE CONFIGURATION EXERCICE OBJECTIVES Given an Engine Configuration Exercice, the student will identify and match the purpose of : ... selected components of the Nacelle ... selected components of the Engine Buildup Unit ... selected borescope ports or plugs ... selected components of the Fan Module ... selected components of the Core Module ... selected components of the HPT Module ... selected components of the LPT Module ... selected components of the AGB Module ... selected components of the TGB Module ... selected components of the IDG Cooling system ... selected components of the Fuel and Control system ... selected components of the Ignition system ... selected components of the Air system ... selected components of the Indicating system ... selected components of the Oil system ... selected components of the Start system
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ENGINE CONFIGURATION EXERCICE General 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.
VIEWING POINT KEY : VIEWED FROM ABOVE
VIEWED FROM ABOVE
SIDE VIEW
SIDE VIEW
AFT LOOKING FWD (ALF)
FWD LOOKING AFT (FLA)
AFT LOOKING FWD (ALF)
VIEWED FROM BELOW
VIEWED FROM BELOW
ENGINE RH SIDE
ENGINE LH SIDE
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MATCH THE NAME OF THE COMPONENT TO THE CORRECT ANSWER.
ENTER NUMBER HERE
ENTER NUMBER HERE
ITEM NO.
IDENTIFY THE L INE, A CCESSORY OR COMPONENT Spinner cover
1
ITEM NO. 1
SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT Provides the majority of the thrust produced by the engine
Spinner
Provides noise suppression and a smooth aerodynamic secondary airflow path
Fan Blade
Provides a smooth, inner aerodynamic flowpath for air entering thr engine
Forward acoustical panel
Provides access to thirty-four internal bolts that attach the spinner to the fan disk.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fan Blade Platform
Provides alignment of the spinner cones and fan blades to the # 1 position for engine balancing.
Spinner Rear Cone
Provides a threaded hole to remove the spinner front cone.
Spinner Front Cone jack screw hole
Provides containment of the fan blade spacers and the retaining ring.
Balance screw
Provides an aerodynamic surface between the fan blades.
Spherical indent for Fan Blade #1
Enables engine balancing if vibration limits are abnormal.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fan Blade Platform Retention Pins
Allows extra weight to be added to the fan module for balancing at shop level only.
Fan Blade Dovetail Slot
Provides retention of the fan blades and spacers.
Fan Disk
Holds and provides alignment of the platforms between the fan blades.
Balance weight for the fan disk
Supports the fan blades.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Splitter fairing
Divides the Secondary and Primary airflow.
Stage 1 booster vanes
Directs the fan discharge airflow.
Outlet Guide Vanes (OGV’S)
The Primary airflow entry.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fan cowl hold open rod
Supports the fan cowl for maintenance.
Spinner rear cone
Provides most of the thrust produced by the engine.
Fan blades
Provides a smooth, inner, aerodynamic flowpath for air entering the engine.
Spinner front cone
Provides protection against ice formation.
Fan Abradable Material
Provides axial retention of the fan blade spacers and provision for balance weights.
Engine inlet cowl
Enables minimum clearance to be maintained between the fan blades and fan case.
T12 sensor
Monitors fan inlet temperature.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Thrust Reverser
Holds the Thrust Reverser open for maintenance.
Thrust Reverser blocker door
Mechanically locks the Thrust Reverser actuator in the Open position.
Thrust Reverser opening actuator
Connection for the hand pump on the Thrust Reverser opening actuator to open the Thrust Reverser.
Thrust Reverser opening actuator inlet fitting
A backup lock for the Thrust Reverser opening actuator in the Open position.
Thrust Reverser opening actuator safety lock
Reverses Secondary airflow to reduce engine speed after landing.
Thrust Reverser opening actuator lock collar
Diverts Secondary airflow.
Thrust Reverser translating actuator
Commands deploy/stow of thrust reverser.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
RH fan cowl
Provides access for maintenance of the RH side of the fan module.
T12 access panel
Provides an access for servicing the oil tank.
Oil tank filler door
Provides an access to the T12 sensor.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
N1 sensor
Provides vibration data to the flight compartment
Oil quantity transmitter
Provides oil quantity data to the flight compartment
Vibration sensor connector
Provides remote pressure servicing (optional) of the oil tank.
Oil tank
Vents the oil tank with the forward sump
Balance pressure line
Returns the oil to the oil tank to be used again
Oil scavenge return line
Provides N1 speed information to the EEC and flight compartment.
Fan case
Provides the forward support structure for the engine core, fan module and forward engine mount
Oil fill port and oil scupper
Steel plate that indicates serial number, thrust ratings, etc.
Engine data plate
Provides support for some LRU’s and provides fan blade containment.
Fan frame
Provides a place to store oil for the engine.
Remote oil filling ports
Provides the opening to fill the oil tank and a drain area if the oil is spilt
Oil sight glass
Provides the external means of checking the oil quantity inside the oil tank
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Flexible cooling duct for the EEC
Provides hot air flow in the engine inlet cowl.
Inlet cowl thermal anti-ice valve
Provides cooling airflow to the Electronic Engine Control (EEC) Unit.
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ITEM NO.
IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
E EC
Provides an interface for engine and aircraft systems.
EEC wiring connections harness
Provides the "brain" for engine control
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
EEC shock mount
Provides electronic data that gives information to the EEC for engine configuration.
EEC Identification Plug (P11)
Supports the Electronic Engine Control (EEC) or (ECU).
Air sense line P25
Provides air pressure information to the EEC at station 13 and is optional.
Air sense line PS13
Provides ambient air pressure information to the EEC from station 0.
Air sense line PS3
Provides air pressure information to the EEC from station 25 and is optional.
Air sense line P0
Provides air pressure information to the EEC from station 3.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Upper exciter box
Provides the exciter boxes with aircraft electrical power.
Lower exciter box
Provides the RH igniter plug with electrical power to start combustion.
RH ignition lead
Provides the LH igniter plug with electrical power to start combustion.
LH ignition lead
Provides a path for the electrical energy to reach the RH igniter plug to cause a spark.
115 Vac power supply connection
Provides a path for the electrical energy to reach the LH igniter plug to cause a spark.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
LH fan cowl
Mechanical fastener to secure the fan cowls.
LH fan cowl latches
Allows servicing of the IDG.
IDG access door
Provides protection and aerodynamic airflow over the engine LH fan module area.
EEC air inlet duct
Discharges hot airflow from the engine inlet cowl.
Outlet for the inlet anti-ice system
Provides air discharge for the starter.
Fan cowl airflow outlet
Provides cooling air to the EEC.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Integrated Drive Generator (IDG)
Provides air into the engine.
Low Pressure Turbine Major Module
Provides electricity for the aircraft.
Inlet cowl
Provides the energy to operate the engine.
Core Major Module
Extracts the energy to turn the fan and LPC.
Fan Major Module
Provides 80% of the thrust to operate the engine.
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ITEM NO.
IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
QAD ring
Provides an electrical connection for the cockpit oil pressure signal.
Oil level sight glass
Allows servicing of the IDG oil filter.
IDG
Provides cooling oil from the IDG oil coolers to IDG for lubrication.
Phase lead terminal
Mechanical fastener to secure the IDG.
Disconnect reset ring
Provides the electrical connections for the aircraft electrical systems from the engine.
Electrical connector
Allows servicing of the IDG from a remote oil supply system.
Charge filter
Provides the ability to disconnect the IDG shaft and reset it after maintenance.
Pressure fill adapter
Provides the ability to check the quantity of oil in the IDG.
IDG oil inlet port
Provides the primary electrical energy for the aircraft electrical systems from the engine
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FE G ITEM NO.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
IDG fuel/oil cooler
Electrical connection for the differential pressure switch for the engine scavenge oil filter.
IDG fuel/oil cooler IN line
Cools IDG hot oil with cooler fuel.
IDG fuel/oil cooler OUT line
Provides cool oil back to the IDG.
Fan frame
Brings hot oil to be cooled by the IDG oil coolers.
Differential pressure switch electrical connector
Allows adjustment of the AGB alignment.
AGB turnbuckle
The support structure for the forward engine mount and the engine.
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FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
IDG air/oil cooler
Reduces engine noise.
Aft acoustical panels
Provides cooling for the IDG oil using fan air in a heat exchanger.
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FE G ITEM NO.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Hydraulic pump
Provides hydraulic fluid to the hydraulic pump.
Hydraulic pump IN line
Provides hydraulic fluid pressure to the airplane systems.
Hydraulic pump OUT line
Provides hydraulic pump operation electrical information to the airplane.
Hydraulic pump electrical connection
Provides hydraulic fluid from the hydraulic pump.
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FE G ITEM NO.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Starter
Provides N2 rotation using air pressure during starting.
Starter air supply duct
Provides core speed to the EEC and to the airplane systems.
N2 speed sensor
Provides electrical power to the electronic engine control box.
Hand cranking pad
Provides air pressure to the starter.
EEC alternator
Provides N2 rotation by the manual method.
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FE G ITEM NO.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Starter Air Valve manual drive
Provides normal supply air pressure to the starter.
Starter Air Valve
Allows manual opening of the Starter Air Valve.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Hydraulic connector for the pressure line
Provides fuel to the engine fuel pump.
Fuel supply line to the engine
Supplies hydraulic fluid to the hydraulic pump.
Electrical connector for the thrust reversers
Supplies hydraulic fluid to the airplane.
Hydraulic connector for the supply line
Supplies hydraulic fluid to the hydraulic filter.
Thrust reverser actuator
Operates the thrust reverser to deploy and stow.
Hydraulic connector for the hydraulic fluid filter
Supplies electrical feedback information about the thrust reversers position.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 49 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1 4
2
5
3
CTC-189-021-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 50 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Thrust reverser hold open actuator
Operates the T/R to open or close it.
Thrust reverser opening actuator safety lock collar
Supplies electrical information path to the airplane for fuel flow indication, etc.
Fuel Flow transmitter
Secures and safeties the actuator.
Fuel Flow transmistter electrical connector
Provides downstream protection to fuel nozzles.
In-line fuel filter
Provides fuel flow information to the airplane for indication.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 51 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
2 1
4 3 5
CTC-189-022-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 52 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Oil temperature sensor electrical connection
Supplies electrical path to the airplane for engine oil temperature indication.
Oil temperature sensor
Supplies electrical path to the airplane for engine oil pressure indication.
Oil pressure sensor electrical connection
Supplies electrical information to the airplane for engine oil temperature indication.
Oil pressure sensor
Supplies electrical information to the airplane for engine oil pressure indication.
Fan case
Provides fan blade containment and support for some LRU’s.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 53 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
4
1
3
2
5
CTC-189-023-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 54 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Accessory Gear Box (AGB)
Provides fuel to the fuel pump.
Transfer Gear Box (TGB)
Supports and turns the accessories for the engine and aircraft.
Main fuel/oil heat exchanger
Provides the N2 drive for the AGB.
Engine fuel supply line
Provides cooling of the engine oil.
Servo fuel heater
Heats the engine fuel to prevent ice particles entering the engine servo systems.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 55 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1 2 7 8
6
3
4
5
CTC-189-024-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 56 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Channel B
Provides fuel from the LP fuel pump to the IDG oil cooler.
Channel A
Secures the fuel pump to AGB.
Airframe shutoff (HPSOV) feedback
Provides the fuel to the engine fuel systems.
Hydromechanical Unit (HMU)
Provides the hydraulic muscle to operate the servo systems.
Fuel pump
Carries an HPSOV position signal to the EEC, then to the ENGINE CLOSED light.
Fuel line
Electrical connection for EEC channel B.
QAD ring
Electrical connection for EEC channel A.
Low Pressure stage fuel pump inspection plug
Allows inspection of the LP stage pump impeller
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 57 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1 5
6
2 4 3 7
CTC-189-025-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 58 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Oil scavenge filter
Filters fuel from the LP pump.
Oil scavenge filter lock release
Secures the oil filter and prevents rotation.
Fuel filter
Provides pressure information to signal oil filter clogging.
Fuel filter drain plug
Provides pressure information to signal fuel filter clogging.
Fuel filter differential pressure switch
Filters oil from the engine oil return.
Oil filter differential pressure switch
Allows adjustment of the AGB for alignment.
AGB turnbuckle
Allows draining of the engine fuel filter.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 59 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3
2 7
1
5 6
4
CTC-189-026-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 60 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Lubrication unit
Filters the oil.
Magnetic chip detector bayonet slot
Allows inspection for sumps debris.
Magnetic chip detector
Provides a clogging indication by a red pin that pops out if the supply oil filter clogs.
Supply oil filter pop-out indicator
Provides alignment for proper installation.
Pressure oil supply filter
Provides the oil for the engine AGB.
AGB oil supply line
Provides the oil supply and return for the engine oil system.
Scavenge oil filter unlocking lugs
Allows the use of a tool to remove the scavenge oil filter.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 61 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1 2
3
4
CTC-189-027-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 62 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Engine oil supply line
Returns oil from the engine aft sump.
Rear sump scavenge oil line
Returns oil from the engine forward sump.
Forward sump scavenge oil line
returns oil from the engine AGB and TGB.
AGB TGB scavenge oil line
Provides the oil to the engine sumps and accessories.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 63 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1
2
CTC-189-028-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 64 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Debris Monitoring System chip detector
Provides the CDU information on oil system contamination in the AGB, TGB, forward and aft sumps.
Debris Monitoring System chip detector lead
Provides the electrical path to the junction box then to the airplane CDU.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 65 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1 2
3
CTC-189-029-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 66 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Debris Monitoring System junction box (optional)
Oil tank scupper drain.
Debris Monitoring System chip detector lead
Provides the CDU with information on oil system contamination in the AGB, TGB, forward and aft sumps.
Drain line
Provides the electrical path to the junction box then to the airplane CDU.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 67 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3 1
2
CTC-189-030-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 68 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Anti-leakage valve
Provides the lubrication unit with oil.
Oil supply line
Allows removal of the lubrication unit without draining the oil tank.
Oil pressure line
Supplies pressurized oil to keep the anti-leakage valve open.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 69 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
9
1
2
3
4
5
11 6
10 7
8
CTC-189-031-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 70 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
RH VBV actuator drain line LH VBV actuator drain line RH VSV actuator drain line LH VSV actuator drain line Transient Bleed Valve drain line HPTACC valve drain line LPTACC valve and burner staging valve drain line Main fuel/oil heat exchanger drain line HMU drain line Strut drain line 6:00 o’clock drain tube bundle
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 71 Jan 99
EFG
CFM56-7B
3
4
5
6
TRAINING MANUAL
7
12
2 1
11
8
9
10
CTC-189-032-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 72 Jan 99
FE G
CFM56-7B
ITEM NO.
IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
VBV Open line
Provides the fuel pressure to operate the TBV.
VBV Close line
Provides the fuel pressure to close the VBV doors.
VSV Rod line
Supports the forward part of the engine.
VSV Head line
Provides the fuel pressure to operate the LPTACC valve.
Transient Bleed Valve line
Provides the fuel to operate the HPTACC valve.
HPTACC valve line
Provides fuel pressure to open the VSV’s.
LPTACC valve line
Provides the fuel pressure to close the VSV’s.
HMU
Provides the reference pressure to operate some valves.
PCR line
Provides the fuel pressure to close the BSV.
Burner Staging Valve line
Provides the fuel pressure to open the VBV doors.
HPSOV electrical connector
Provides servo system fuel signals to operate engine components and regulates fuel for nozzles.
Fan frame
Provides the electrical signal to operate the HPSOV.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 73 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3
2 1
CTC-189-033-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 74 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Forward sump vent line
Provides the housing for the 9 o’clock tube bundle.
Transfer Gear Box
Provides the air signal to operate the engine oil pressure indicator.
Fan frame strut fairing
Relays the N2 drive for the AGB.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 75 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1
2
CTC-189-034-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 76 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Engine High Pressure bleed air regulator
Provides the high pressure bleed air control.
LH VBV actuator
Provides the mechanical drive power to operate the VBV’s.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 77 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3
4
2
1
CTC-189-035-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 78 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fan duct panel
Provides the attachment support for the thrust reverser system and core cowl air sealing
Outlet Guide Vanes
Provides the cover over the VBV and the air outlet when they are open
Internal V-groove panel
Redirects the air out of the fan
Fan frame strut
Supports and provides rigidity to the fan frame
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 79 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
7 1 5
2
4 3
6
CTC-189-036-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 80 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Variable Bleed Valve door
Provides the booster air control into the core to prevent a stall.
Variable Bleed Valve actuator connecting rod
Fuel pressure to open the VBV’s.
Variable Bleed Valve actuator drain line
Fuel pressure to close the VBV’s.
VBV actuator LVDT position feedback connector
Changes the hydraulic actuator movement into a mechanical movement, to open and close the VBV’s.
VBV actuator rod line (close)
Changes the hydraulic actuator movement into an electrical position feedback signal to the EEC.
VBV actuator head line (open)
Drains the fuel in case of actuator seal leakage.
LH VBV actuator
One of the muscles to open the VBV doors.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 81 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3
4
1
2
CTC-189-037-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 82 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Variable Stator Vane bellcrank
Changes the hydraulic actuator movement into a mechanical movement, to open and close the VSV’s.
Variable Stator Vane actuator
Changes the hydraulic fluid to a mechanical force to move the bellcrank assembly.
High Pressure Compressor forward stator case.
Indicates the dimension of the core for modular maintenance.
Metal core measurement placard
Supports the HPC Stators.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 83 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1
2
3
4
CTC-189-038-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 84 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Variable Stator Vane stage 1 Variable Stator Vane stage 2 Variable Stator Vane stage 3 Inlet Guide Vanes
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 85 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1
2
3
CTC-189-039-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 86 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Variable Bleed Valve door
Provides air to cool the LPT turbine stator case.
Fan duct panel (removed)
Provides the booster air control into the core to prevent a stall.
LPT air inlet scoop
Provides the cover over the VBV and an air outlet when VBV’s are open.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 87 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
1
3
2
CTC-189-040-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 88 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
HPT shroud support
Provides 4th and 9th stage cooling air to the HP turbine shroud support.
HPT air duct
Provides structural strength to the HPT shroud.
HPTACC Valve
Controls the clearance inside the engine between the HPT rotor and HPT shroud.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 89 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
2 4
3 1
5
CTC-189-041-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 90 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
HPTACC Valve 9th stage bleed air duct
Supplies low pressure bleed air for HPT rotor and HPT shroud clearance control.
HPTACC Valve 4th stage bleed air duct
Supplies high pressure bleed air for HPT rotor and HPT shroud clearance control.
HPTACC electrical connection
Provides the hydraulic pressure to move the HPTACC valve.
HPTACC valve fuel manifold
Provides the valve position feedback to the EEC.
FFCCV electrical connection
Supplies vibration monitoring data to the AVM.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 91 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
5 3
4 2
1
CTC-189-042-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 92 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fuel spray shield
Provides the fuel flow in the combustion chamber.
(SAC) Staged fuel manifold
Provides protection from fuel going all over the engine if a leak occurs.
(SAC) Unstaged fuel manifold
The 10 fuel nozzle manifold where fuel can be turned ON or OFF by the BSV.
(SAC) fuel nozzle
Controls the fuel flow for the staged fuel nozzles.
(SAC) Burner Staging Valve
The other fuel nozzle manifold that is not controlled by the BSV.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 93 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
4 3 5
1
2
CTC-189-043-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 94 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
(SAC) Burner Staging Valve
Provides the electrical path for the spark in the combustion chamber.
LH ignition lead
Controls the fuel flow for the staged fuel nozzles.
RH ignition lead
Provides the electrical path for the spark in the combustion chamber.
Combustor borescope plug
Provides access to the combustion chamber to be inspected.
BSV electrical connectors
Provides the electrical feedback signals to the EEC.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 95 Jan 99
EFG
CFM56-7B
6 1
2
TRAINING MANUAL
7
3
5
4
CTC-189-044-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 96 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
S9 Borescope plug
Controls the fuel flow between the staged and unstaged DAC fuel nozzles.
S8 Borescope plug
Provides the electrical path to the EEC for position of the BMV.
S7 Borescope plug
Provides access to the HPC for inspection.
S6 Borescope plug
Provides access to the HPC for inspection.
S5 Borescope plug
Provides access to the HPC for inspection.
(DAC) Burner Modulating Valve
Provides access to the HPC for inspection.
(DAC) Burner Modulating Valve electrical connection
Provides access to the HPC for inspection.
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 97 Jan 99
EFG
CFM56-7B
TRAINING MANUAL
3
1
4
2
CTC-189-045-00
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
GENERAL
COMPONENT IDENTIFICATION WORKBOOK
Page 98 Jan 99
FE G ITEM NO.
CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
LPT air duct
Controls the fan air to the LPT case.
LPTCC valve
Ducts cooling air to the HPT shroud support.
LPT nozzle cooling manifold
1 of 4 tubes that cool the LPT nozzles with fourth stage air.
HPT air duct
Provides the fan air path to the LPT case
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COMPONENT IDENTIFICATION WORKBOOK
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
High Stage Bleed Air Valve
Provides cooling air to the ignition leads.
LH ignition lead
Provides 9th stage bleed air to the airplane systems.
RH ignition lead
Provides the path for electricity to the LH igniter plug.
Ignition lead cooling manifold
Provides the path for electricity to the RH igniter plug.
T25 sensor lead
Carries HPC inlet temperature data for the control logic.
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ITEM NO.
ITEM NO.
TRAINING MANUAL
SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Transient Bleed Valve actuator
Cools the ignition leads.
Ignition lead cooling manifold
Controls 9th stage air bleed to ease engine acceleration.
TBV electrical connection
Provides the electrical path to the EEC for position of the TBV.
BSV
Operates the TBV butterfly.
Transient Bleed Valve
Controls the fuel flow for the staged fuel nozzles.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
High Stage bleed air valve
Controls 9th stage bleed air to the airplane.
5th Stage bleed air check valve
Fuel nozzle with a gold band.
(DAC) Cooling fuel nozzle
Fuel nozzle with a blue band.
(DAC) Bleed fuel nozzle
Prevents 9th stage bleed air reverse flow into the HPC.
(DAC) Fuel manifolds
Provides access to the HPT rotor trailing edge.
Borescope plug
Supports the HPT shroud.
HPT Shroud support
Distributes fuel into three manifolds the pilot, main 1, and main 2.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
(SAC) Fuel nozzle
Sensor line for the 9th stage air called compressor discharge pressure (CDP).
PS3 line (also called CDP)
Sprays the fuel into the combustor.
(SAC) Fuel supply manifolds
Prevents leakage if the B nut comes loose.
Fuel nozzle drain shroud
Distributes fuel into the staged and unstaged manifolds
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Fire loop detection sensor
Provides information to the EEC on the HPT shroud support temperature.
HPTCC sensor
Senses engine fires and sends the information to the flight compartment
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Combustion Case
Provides information to the EEC on the CDP temperature.
T3 sensor
Supports the combustion chamber.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Turbine Rear Frame
Provides information to the EEC on the LPT exhaust temperature.
T5 Sensor (optional)
Provides provision for tooling attachment.
Turbine Rear Frame support
Supports the LPT case and attaches to the rear engine mount.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Oil supply line
Provides oil to the rear sump.
Oil scavenge line
Returns the oil from the rear sump.
LPT case drain
Drains the LPT case.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
LPT cooling tubes manifold
Sends fire information to the flight compartment.
EGT harness and probes
Monitors the T49.5 station and sends the data to the EEC and flight compartment.
Fire loop detection sensors
Supplies cooling air to the LPT manifold impingement holes.
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CFM56-7B IDENTIFY THE L INE, A CCESSORY OR COMPONENT
ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Precooler air valve
To put out engine fires.
Thrust bar
Controls the quantity of fan air directed to the precooler.
Fire bottle discharge distribution tubes.
Transmits the thrust between the engine and aircraft.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Precooler
Transmits the precooler pressure to the A/C systems.
Precooler downstream pressure sense Line
Transmits the precooler temperature to the A/C systems.
Precooler 450 Degree F. Temperature sense Line
Cools the bleed air for the airplane systems.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Primary exhaust nozzle
Contains engine fires.
Rear engine mount
Ducts the primary airflow.
Labyrinth seals
Supports the engine.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Primary exhaust nozzle
Primary airflow inner duct and sumps venting.
Exhaust plug
Smooths the primary airflow.
Thrust Reverser
Transmits thrust from engine to aircraft.
Thrust link
Reduces A/C speed after landing.
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ITEM NO.
TRAINING MANUAL SEL ECT THE PURPOSE THA T MA TCHES THE L INE, A CCESSORY OR COMPONENT
Primary exhaust
Stops fire from entering the engine center vent tube.
Flame arrestor
Exhausts primary air.
Thrust Reverser
Slows down the airplane with up to 80% of fan air and ducts the secondary airflow.
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INDEX
PAGE
COMPONENT
PAGE
COMPONENT
55. 41. 61. 39/59. 57. 33. 29. 29. 29. 29. 69. 23. 11. 105. 105. 97. 97. 97. 93/95. 73. 95. 107. 17. 37. 57. 57.
Accessory Gear Box Aft acoustical panels AGB oil supply line AGB turnbuckle Airframe shutoff (HPSOV) feedback Air inlet duct for EEC Air sense line P0 Air sense line P25 Air sense line PS13 Air sense line PS3 Anti-leakage valve Balance pressure line Balance screw Bleed air check valve (5th stage) Bleed fuel nozzle (DAC) Borescope plugs S5 thru S9 Burner Modulating Valve (DAC) BMV electrical connectors Burner Staging Valve (SAC) BSV line BSV electrical connectors CDP line CFMI logo Charge filter Channel A connector Channel B connector
111. 95. 105. 35. 65. 65/67. 67. 39.
Combustion case Combustor borescope plug Cooling fuel nozzle (DAC) Core major module Debris Monitoring System chip detector DMS chip detector lead DMS junction box (optional) Differential pressure switch electrical connector Disconnect reset ring Drain tube bundle (6 o’clock) Electronic Engine Control EEC alternator EEC ID plug EEC shock mount EEC wiring connections harness EGT harness and probes Electrical connector Engine inlet cowl Engine data plate Engine fuel supply line Engine oil supply line Engine HP bleed air regulator Exhaust plug Fan abradable material Fan blades
EFFECTIVITY B737-600, -700, -800, -900, -BBJ/ALL CFMI PROPRIETARY INFORMATION
37. 71. 27. 45. 29. 29. 27. 117. 37. 17. 23. 49/55. 63. 77. 125. 17. 17.
GENERAL
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PAGE
COMPONENT
PAGE
COMPONENT
13. 11. 13. 23/53. 17. 13. 13. 23/39. 75/79. 79/87. 35. 91. 109. 119. 127. 25. 63. 75. 59. 59. 59. 51. 51. 57. 105. 93. 107. 57.
Fan blade dovetail slot Fan blade platform Fan blade platform retention pins Fan case Fan cowl hold-open rod Fan disk Fan disk balance weight Fan frame Fan frame strut Fan duct panel Fan major module FFCCV sensor lead Fire loop detection sensors Fire bottle discharge distribution tubes Flame arrestor Flexible cooling duct (EEC) Forward sump scavenge oil line Forward sump vent line Fuel filter Fuel filter drain plug Fuel filter differential pressure switch Fuel flow transmitter Fuel flow transmitter electrical connector Fuel line Fuel manifold (DAC) Fuel nozzle (SAC) Fuel nozzle drain shroud Fuel pump
89/93. 107. 45. 101. 57/73. 71. 83. 73. 89/99. 105. 89. 91. 89. 71. 91. 73. 91. 91. 109. 49. 49. 49. 43. 43. 43. 43. 35/69. 33.
Fuel spray shield Fuel supply manifold (SAC) Hand cranking pad High stage bleed air valve Hydro-Mechanical Unit HMU drain line HPC forward stator case HPSOV electrical connector HPT air duct HPT rotor borescope plug HPT shroud support HPTACC electrical connection HPTACC valve HPTACC valve drain line HPTACC valve fuel manifold HPTACC valve line HPTACC valve 5th stage bleed air duct HPTACC valve 9th stage bleed air duct HPTCC sensor Hydraulic connector (hydraulic fluid filter) Hydraulic connector (pressure line) Hydraulic connector (supply line) Hydraulic pump Hydraulic pump electrical connection Hydraulic pump IN line Hydraulic pump OUT line Integrated Drive Generator IDG access door
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PAGE
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PAGE
COMPONENT
41. 39. 39. 39. 37. 101. 35. 25. 85. 51. 123. 31/95. 33. 33. 77/81. 71. 71. 31. 35. 57. 87. 71. 73. 99. 99. 117. 99. 61.
IDG air/oil cooler IDG fuel/oil cooler IDG fuel/oil cooler IN line IDG fuel/oil cooler OUT line IDG oil inlet port Ignition lead cooling manifold Inlet cowl Inlet cowl thermal anti-ice valve Inlet guide vanes In-line fuel filter Labyrinth seals LH ignition lead LH fan cowl LH fan cowl latches LH VBV actuator LH VBV actuator drain line LH VSV actuator drain line Lower exciter box Low Pressure Turbine major module LP stage fuel pump inspection plug LPT air inlet scoop LPTACC valve & BSV drain line LPTACC valve line LPTCC valve LPT air duct LPT cooling tubes manifold LPT nozzle cooling manifold Lube unit
61. 61. 55. 71. 83. 23. 45. 23. 59. 61. 69. 53. 53. 23. 59. 59. 23. 69. 69. 37. 69. 23. 21. 53. 53. 33. 33. 15/79.
Magnetic chip detector Magnetic chip detector bayonet slot Main fuel/oil heat exchanger Main fuel/oil heat exchanger drain line Metal core measurement placard N1 sensor N2 sensor Oil fill port and oil scupper Oil filter differential pressure switch Oil filter pop-out indicator Oil pressure line (anti-leakage valve) Oil pressure sensor Oil pressure sensor electrical connection Oil quantity indicator transmitter Oil scavenge filter Oil scavenge filter lock release Oil scavenge return line Oil scupper drain line Oil sight glass Oil level sight glass (IDG) Oil supply line Oil tank Oil tank filler door Oil temperature sensor Oil temp sensor electrical connection Outlet for inlet cowl anti-ice system Outlet for fan cowl airflow Outlet guide vanes
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PAGE
COMPONENT
73. 37. 31. 121. 119. 121. 121. 37. 61. 127. 123. 37/57. 123. 115. 115. 63. 115. 23. 21. 31/95. 71. 71. 61. 63. 55. 11. 17. 11/17.
PCR line Phase lead terminal Power supply connection (115Vac) Precooler Precooler air valve Precooler downstream pressure sense line Precooler temperature sense line Pressure fill adapter Pressure oil supply filter Primary exhaust Primary exhaust nozzle Quick attach/detach ring Rear engine mount Rear sump cavity drain Rear sump oil supply line Rear sump scavenge oil line Rear sump scavenge oil return line Remote oil filling ports RH fan cowl RH ignition lead RH VBV actuator drain line RH VSV actuator drain line Scavenge oil filter unlocking lugs Scavenge oil line (AGB/TGB) Servo fuel heater Spherical indent Spinner front cone Spinner rear cone
11. 15. 93. 15. 45. 45. 47. 47. 71. 111. 113. 21. 17. 101. 119. 125. 19. 19/49. 19. 49. 51. 19. 19. 19. 19. 19/51. 55/75. 103.
Spinner front cone jack screw hole Splitter fairing Staged fuel manifold (SAC) Stage 1 booster vanes Starter Starter air supply duct Starter air valve Starter air valve manual drive Strut drain line T3 sensor T5 sensor (optional) T12 access panel T12 sensor T25 sensor lead Thrust link Thrust link (power plant) Thrust Reverser T/R actuator T/R blocker door T/R electrical connector T/R hold-open actuator T/R opening actuator T/R opening actuator inlet fitting T/R opening actuator lock collar T/R opening actuator safety lock T/R safety lock collar Transfer Gearbox Transient Bleed Valve
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PAGE
COMPONENT
103. 71. 103. 73. 113. 113. 93. 31. 23. 81. 81. 81. 81.
TBV actuator TBV drain line TBV electrical connection TBV line Turbine rear frame Turbine rear frame support Unstaged fuel manifold (SAC) Upper exciter box Vibration sensor connector VBV actuator connecting rod VBV actuator drain line VBV actuator head line (open) VBV actuator LVDT position feedback connector VBV actuator rod line (close) VBV close line VBV door VBV open line VSV acuator VSV bellcrank VSV head line VSV rod line VSV stage 1, 2, & 3 V-groove panel
81. 73. 81/87. 73. 83. 83. 73. 73. 85. 79.
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