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CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 1 Dec 00
This CFMI publication is for Training Purpose 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 the 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. In addition, the technical data therein and the direct product of those data, may be diverted, transferred, exported or disclosed in any manner not provided for by the license without the prior written approval of both the U.S. Government and CFM International
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 2 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 3 Dec 00
ITEM NO.
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ITEM NO.
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Rear Spinner Cone Elliptical shape prevents ice formation
Abradable Liner Balance the low pressure system
Ps12 Sensing Port (4) Supplies engine serial number, thrust rating and takeoff rating
Engine Data Plate Supplies high voltage power to the igniters
Balance Screws Supplies sound suppression
Forward Acoustical Panel Prevents direct contact of fan blade into the case during engine operation
Ignition Exciter (2) Electronic over-ride of the MEC
Power Management Control (PMC) Static air pressure from static port to Ps12 manifold
T12 Fan Inlet Sensor (stowed) Fan inlet temperature to PMC
Front Spinner Cone Axial retention of fan blades and provision for balance screw placement
CFM56-3 TRAINING MANUAL
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 4 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 5 Dec 00
ITEM NO.
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Fan Frame Transmits high voltage from the upper exciter to the 8 o’clock igniter
Left Hand Ignition Lead Supplies cooling air to the right and left ignition lead conduit for lead cooling
Air Manifold Front section shouldered to give fan blade containment
Fan Case 1 of 2 main engine structural frames
Right Hand Ignition Lead Used for engine lifting
Front Lifting Trunnion Transmits high voltage from the lower exciter to the 4 o’clock igniter
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 6 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 7 Dec 00
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J2 Connector Access PLA gain adjustment
J5 Connector Input signal from the flight deck
J4 Connector Monitor connector for test
J3 Connector Input signal for N1, T12, and PLA output signal for MEC torque motor
Cover Plate PMC Input power supplied by the control alternator
Ps12 Signal line Air signal from Ps 12 manifold to PMC
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 8 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 9 Dec 00
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Visual Oil Quantity Window Supplies oil overflow containment during servicing
Oil Tank Anti-Siphon Line Prevents oil tank siphoning after engine shutdown
Oil Scupper To support the engine on the ground
Fan Frame Ground Handling Mount (Right Hand)
To balance internal sump pressures
Gravity Fill Oil Cap Supplies visual inspection of oil tank service limits
Oil Tank Vent Line Seals oil tank and allows for servicing and oil sampling
Oil Tank Quantity Transmitter Transmit oil tank quantity to flight deck
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 10 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 11 Dec 00
ITEM NO.
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Oil Tank Pressure Fill and Overflow Ports Supplies N1 speed signal to PMC and flight deck
Oil Scavenge Return Line Supplies oil from oil tank to lube unit pressure pump
Oil Tank Storage of engine lubrication oil
Lube Unit Supply Line Supplies scavenge oil return from servo heater to oil tank
N1 Speed Sensor Supplies remote pressure servicing of the oil tank
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 12 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 13 Dec 00
ITEM NO.
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Aft Acoustical Panel Cooling of CSD/IDG oil
Mid Acoustical Panel Sound Suppression
CSD/IDG Oil Cooler Pad Air directed to the aircraft generator for cooling
Generator Cooling Inlet Sound suppression
Outlet Guide Vanes (80) Points fan discharge air flow in a straight path
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 14 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 15 Dec 00
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Alternate Vibration Sensor Pad Supplies HPC bleed air to the HPT shroud to increase engine efficiency
T2.5 (CIT) Sensor (Inside Frame) Supplies compressor inlet temperature to MEC
Air Ignition Tube Supplies static rigging of variable stator vane actuator to the system
High Pressure Turbine Clearance Control Valve (HPTCCV)
Ignite fuel/air mixture and BSI port S10
VSV Actuator Rig Pin Hole (Right Side) Connects No. 1 bearing vibration sensor with aircraft
Electrical Connector, Bearing Vibration Sensor To connect each VSV actuation ring
Igniter - Lower Right Hand Side Combustor Case
Alternate No. 1 bearing vibration sensor mounting pad
VSV Actuation Connecting Links Supplies cooling air from the booster to the air manifold
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 16 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 17 Dec 00
ITEM NO.
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Borescope Port S7 BSI stage 8 trailing edge and stage 9 leading edge HPC
Borescope Port S9 BSI stage 5 trailing edge and stage 6 leading edge HPC
Borescope Port S6 BSI stage 6 trailing edge and stage 7 leading edge HPC
Borescope Port S3 BSI stage 1 trailing edge and stage 2 leading edge HPC
Borescope Port S1 BSI IGV and leading edge stage 1 HPC
Borescope Port S5 BSI stage 2 trailing edge and stage 3 leading edge HPC
Borescope Port S2 BSI stage 4 trailing edge and stage 5 leading edge HPC
Borescope Port S4 BSI stage 3 trailing edge and stage 4 leading edge HPC
Borescope Port S8 BSI stage 7 trailing edge and stage 8 leading edge HPC
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 18 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 19 Dec 00
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IGV Actuation Half Ring Stage 2 VSV scheduling
Stage 3 Actuation Half Ring Connects turbine frame bearing vibration sensor to aircraft
Stage 2 Actuation Half Ring IGV angle scheduling
Stage 1 Actuation Half Ring Stage 3 VSV scheduling
Electric Connector, Bearing Vibration Sensor Stage 1 VSV scheduling
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 20 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 21 Dec 00
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Fuel Nozzle (20) Supplies fuel to the combustion chamber
Shrouded Fuel Manifold Supplies stage 9 bleed air to the HPTCCV
HPC Stage 9 Bleed Tap Supplies fuel to the fuel nozzles
Bleed Bias Sensor (CBP) Senses use of customer bleed air
HPTCCV Discharge Manifold Supplies stage 5, stage 9, or mixed bleed air to HPT shroud
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 22 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 23 Dec 00
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Turbine Frame Supplies fan discharge air to LPT Case for cooling
Distribution Box LPT Case Cooling Prevents flame propagation in the center vent tube
LPT Case Cooling Manifold Supports the engine on the ground
Turbine Frame Ground Handling Mount Supplies fan discharge air to LPT case cooling manifold
Flame Arrestor Connects EGT system to flight deck indicator
T4.95 (EGT) Junction Connector Second structure frame of engine
T4.95 (EGT) Thermocouple Probes (9) Sense exhaust gas temperature
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 24 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 25 Dec 00
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Borescope Port S22 Scavenge return of oil from aft sump to lube unit
Aft Sump Oil Scavenge Line BSI stage 3 leading edge and stage 2 trailing edge LPTR
Borescope Port S17 Supplies oil to aft sump from lube unit
Aft Sump Supply Line BSI HPTR trailing edge and stage 1 LPTR leading edge
Borescope Port S21 BSI stage 4 leading edge and stage 3 trailing edge LPTR
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 26 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 27 Dec 00
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Low Pressure Turbine Stator Case Supplies stage 5, stage 9, and mixed bleed air to the HPT shroud
HPC Stage 9 Bleed Port (4) Support the HPT shrouds in the HPTR area
HPC Stage 5 Bleed Manifold (4) LPT Stage 1 Cooling
Stage 9 customer bleed air
HPT Shroud Support Supplies fuel to left hand side nozzles
Fuel Manifold (Left Hand Side) Connect EGT system to flight deck indicator
T4.95 (EGT) Junction Connector Transmits vibration signal from the turbine frame sensor to connector
Turbine Frame Vibration Sensor Cable Enclose the four LPT stages
HPTCCV Discharge Manifold Supplies stage 5 bleed air for stage 1 LPT nozzle cooling
Borescope Port S18 BSI HPTR trailing edge and stage 1 HPTR leading
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 28 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 29 Dec 00
ITEM NO.
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Left Hand Ignition Lead Stage 5 customer bleed air
HPC Stage 5 Start Bleed Valve Supplies fuel to the combustion chamber
Igniter–Lower Left Hand Side Combustion Case Transmits high voltage from the upper exciter to the 8:00 igniter
Fuel Nozzle (20) Supplies start air pressure to the HPC stage 5 start bleed valve
CDP (PS3) Tap and Signal Line Ignites the fuel/air mixture and BSI Port S11
HPC Stage Bleed Port (3) Aerodynamically unloads the HPC during start
Combustion Case Transmits the compressor discharge pressure signal to the MEC
Air Signal Start Bleed Tube Contains the combustion chamber
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 30 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 31 Dec 00
ITEM NO.
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Master VBV Ball Screw Actuator (1) Changes the VBV fuel gear motion into VBV linear rotational motion
Fan Duct Panel Supplies by-pass of primary airflow into the secondary airflow
Variable Bleed Valve (12) Points airflow from the booster through the open VBV doors to the fan by-pass air
VBV Stop Mechanism Controls the range of movement of the VBV fuel gear motor
Kicker Stop Transmits VBV master ball screw position to feedback cable
Feedback Rod Clevis Supplies a stop for the free lever
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 32 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 33 Dec 00
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Return Lever Uses fuel pressure to turn the motor drive, which opens or closes the VBVs
VBV Feedback Cable Rod End Bearing Supplies a biased feedback signal to the MEC to further open VBV doors
Free Lever Transmits rod end fuel pressure from the MEC to the VSV actuator
VSV Rod End Pressure Line Transmits head end fuel pressure from the MEC to the VSV actuator
VSV Head End Pressure Line Adjusts the length of the VBV feedback cable during the travel check
VBV Gear Motor Returns the VBV to the normal MEC schedule
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 34 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 35 Dec 00
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TC2 Signal Line Carries Pb or Pc fuel pressure from the MEC to the HPTCCV 9th stage valve
Idle Solenoid Carries Pb or Pc fuel pressure from the MEC to the HPTCCV 5th stage valve
TC3 Signal Line (-3B2/-3C only) Drains oil from the forward sump seal cavity to overboard
Cavity Drain Carries fuel pressure from the MEC to the VSV actuators to open the VSVs
VSV Rod End Pressure Line Electrically supplies flight and ground idle (high and low idle) by the aircraft’s flight condition
VSV Head End Pressure Line Carries fuel pressure from the MEC to the VSV actuators to close the VSVs
TC1 Signal Line Signal pressure to the timer solenoid during a takeoff with n2 larger than 95%
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 36 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 37 Dec 00
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Electric Connector Transmits PLA from the MEC to the PMC and transmits the TMC from the PMC to the MEC
VSV Feedback Cable To rig the position of the pointer with the VSV rig notch
Pb Pressure Line To rig the position of the pointer with the VBV rig notch
VBV Feedback Cable Carries Pb (low) pressure from the CIT (T25) sensor to the MEC
Adjustment Screw VSV Feedback Cable Carries P6 (high) pressure from the MEC to the CIT (T25) sensor
P6 Pressure Line Indicates VBV door position to the MEC
Adjustment Screw VBV Feedback Cable Indicates VSV position to the MEC
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 38 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 39 Dec 00
ITEM NO.
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Oil Scavenge Return Line Transmits flight deck throttle demand to the MEC
Oil Scavenge Line Supplies static rigging procedure of the VSV actuator to the system
VSV Actuator Rig Pin Hole (Left Side) Supplies positive fuel ON/OFF selection
VSV Actuator (Left Side) Supplies fuel from the servo fuel heater to the MEC
VBV Open Port Line Fuel pressure from the MEC to the rod end or the head end actuates the VSV system
Power Lever Supplies scavenge oil return from the servo heater to the oil tank
Fuel Shutoff Lever Holds all servo mechanism lines
Full Reverse Power Lever Stop Supplies stoppage for the power lever at its 130-degree stop (non-adjustable)
Fuel Supply Line Supplies mechanical stoppage for the power lever (non-adjustable)
9 O’clock Tube Bundle Supplies oil from the scavenge filter to the servo fuel heat exchanger
VBV Close Port Line Supplies fuel from the MEC to the VBV motor to open the VBVs
Full Forward Power Lever Stop Supplies fuel from the MEC to the VBV motor to close the VBVs
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 40 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 41 Dec 00
ITEM NO.
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LP Fuel Pump Screen Assembly De-ices the servo fuel by convection transfer of heat from the scavenge oil
Servo Fuel Heater Transmits power from the IGB to the AGB for the accessories
Transfer Gearbox Supplies gear drive for the accessories
Main Fuel/Oil Heat Exchanger Gives access to the LP stage impeller for verification of rotation
Fuel Supply Heater Tube Supplies vent air from AGB to the forward sump, & protects horizontal drive shaft
Pb Pressure Line (-3B2/-3C only) Transmits fuel from the pump to the servo heater
Fuel Pump Two-stage pump that supplies fuel pressure and drive for the MEC
Fuel Supply Line Pb supply to the timer and timer solenoid valve from the fuel pump
Horizontal Drive Shaft Housing Transmits fuel from the MEC to the fuel flow meter
Accessory Gearbox Cools the engine oil through convection transfer of heat from the oil to the fuel
Main Engine Control (MEC) Supplies schedule fuel for combustion and servo operation
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 42 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 43 Dec 00
ITEM NO.
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Forward Sump MCD Collects and filters metallic and non-metallic particles from the AGB/TGB sumps
Lube Supply Filter Supplies one supply pump and three scavenge pumps for oil circulation
PS12 Signal Line Supplies scavenge oil from the lube unit to the scavenge filter element
Oil Scavenge Line Collects and filters metallic and non-metallic particles from the aft sump
Lubrication Unit Supplies static air pressure from the PS12 manifold to the MEC
AGB/TGB Sump MCD Filters the fuel before the fuel flows to the high pressure stage of the fuel pump
Aft Sump MCD Filters the supply oil before the oil flows to the sumps
Fuel Filter Collects and filters metallic and non-metallic particles from the forward sump
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 44 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 45 Dec 00
ITEM NO.
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AGB Drain Port Supplies oil from the lube unit to the AGB
Lube Scavenge Filter Filters the scavenge oil before the oil flows to the servo heater
AGB Alignment Turnbuckle Supplies drainage of the AGB sump
MCD Retention Bar Supplies a positive lock of the MCD, and prevents partial disengagement
Oil Supply Line Connects the TGB to the AGB to supply oil scavenging
Visual Clogging Indicator Aligns the AGB for horizontal drive shaft installation
Oil Scavenge Line Supplies a visual indication of the lube supply filter clogging
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 46 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 47 Dec 00
ITEM NO.
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TS5 Pressure Line (-3B2/-3C only) Changes the operation of the HPTCCV during takeoff
P7 Pressure Line Transmits Pb (low) pressure from the T2 sensor to the MEC
HPTCCV Timer (-3B2/-3C only) Supplies output of Pc or Pb from the TCC timer to the TCC valve to control stage 5 bleed*
HPTCCV Timer Lockout Solenoid (-3C only) Supplies output of Pc or Pb from the TCC timer to the TCC valve to control stage 9 bleed**
Pb Pressure Line Controls the operation of the stage 5 valve of the TCCV (timer disarmed)
TC1 Pressure Line (-3B2/-3C only) Weight-on-wheels sensing relay, airborne condition prevents TC3 fuel flow to TCCV timer
TS9 Pressure Line (-3B2/-3C only) Transmits P7 (high) pressure from the MEC to the T2 sensor
*NOTE: Timer disarmed TS5 ports Tc1 fuel pressure.
**NOTE: Timer disarmed TS9 ports Tc2 fuel pressure.
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 48 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 49 Dec 00
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Bellows/Valve Housing (T2) Pc pressure holds the timer latching valve in the latched position *
Pb Pressure Line (-3b2/-3C only) Controls the operation of the stage 9 valve of the TCCV (timer disarmed)
HPTCCV Timer Adjustment Screw (-3B2/-3C only)
Supplies low pressure for timer operation
Pc Pressure Line (-3B2/-3C only) Changes the fuel pressure to the MEC with changes in inlet temperature
TC2 Pressure Line (-3B2/-3C only) The timer starts its sequence when pressure indicates to lock-out solenoid that N2 is 95%
T2 Sensor (Stowed) Supplies the adjustment for the timer operation speed
TC3 Pressure Line (-3B2/-3C only) Supplies the fan inlet temperature to the MEC
*NOTE: This lets the timer open one time each engine cycle
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 50 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 51 Dec 00
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Hand Cranking Pad Drains to Overboard
Hydraulic Pump Pad Drain Supports the hydraulic pump
Hydraulic Pump Pad Drains to overboard
Starter and Hand Cranking Pad Drain Drains to overboard
CSD/IDG Cavity Reservoir Standpipe Drain Supports the air starter
Pneumatic Starter Pad Lets the operator rotate the core during maintenance
CSD/IDG Pad Transmits power to the PMC and flight deck N2 speed indication
CSD/IDG Pad Drain Supports the CSD/IDG
Control Alternator Makes sure oil level of the CSD/IDG is normal during servicing
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 52 Dec 00
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 53 Dec 00
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Core Major Module Contains the LPT rotor, LPT stator, LPT shaft, and the LPT frame
Fan Major Module
Contains fan/booster, No. 1 and 2 bearing support, IGB, No. 3 bearing, fan frame, TGB and AGB
Low Pressure Turbine (LPT) Major Module Contains HPC rotor & stators, combustor case & liner, HPT nozzle & rotor, and LPT nozzle
CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL CFMI PROPRIETARY INFORMATION Page 54 Dec 00
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