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CFM56-3 technical training manual : Component Identification

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technical training manual : Component Identification

Description

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION This CFMI publication is for Training Purpose Only

The information is accurate at the time of compilation

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

Government license

In addition,

the technical data therein and the direct product of those data,

exported or disclosed in any manner not provided for by the license without the prior written approval of both the U

Government and CFM International

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 1 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 2 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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 ALL CFMI PROPRIETARY INFORMATION

TRAINING MANUAL

GENERAL Page 3 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 4 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Fan Frame Left Hand Ignition Lead Air Manifold

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Transmits high voltage from the upper exciter to the 8 o’clock igniter Supplies cooling air to the right and left ignition lead conduit for lead cooling Front section shouldered to give fan blade containment

Fan Case

Right Hand Ignition Lead

Used for engine lifting

Front Lifting Trunnion

Transmits high voltage from the lower exciter to the 4 o’clock igniter

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 5 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 6 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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,

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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 7 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 8 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Visual Oil Quantity Window Oil Tank Anti-Siphon Line

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Supplies oil overflow containment during servicing 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 Seals oil tank and allows for servicing and oil sampling

Oil Tank Vent Line Oil Tank Quantity Transmitter

ALL CFMI PROPRIETARY INFORMATION

Transmit oil tank quantity to flight deck

GENERAL Page 9 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 10 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Oil Tank Pressure Fill and Overflow Ports Oil Scavenge Return Line

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Supplies N1 speed signal to PMC and flight deck 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 Supplies remote pressure servicing of the oil tank

N1 Speed Sensor

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 11 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 12 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 13 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 14 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

Alternate Vibration Sensor Pad

Supplies HPC bleed air to the HPT shroud to increase engine efficiency

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

Electrical Connector,

Bearing Vibration Sensor

To connect each VSV actuation ring

Igniter

Alternate No

VSV Actuation Connecting Links

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 15 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 16 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Borescope Port S7 Borescope Port S9 Borescope Port S6 Borescope Port S3

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT BSI stage 8 trailing edge and stage 9 leading edge HPC BSI stage 5 trailing edge and stage 6 leading edge HPC BSI stage 6 trailing edge and stage 7 leading edge HPC 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 BSI stage 4 trailing edge and stage 5 leading edge HPC BSI stage 3 trailing edge and stage 4 leading edge HPC BSI stage 7 trailing edge and stage 8 leading edge HPC

Borescope Port S2 Borescope Port S4 Borescope Port S8

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 17 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 18 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 19 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 20 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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,

or mixed bleed air to HPT shroud

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 21 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 22 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Turbine Frame Distribution Box LPT Case Cooling

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Supplies fan discharge air to LPT Case for 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

Second structure frame of engine

Sense exhaust gas temperature

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 23 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 24 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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 BSI stage 4 leading edge and stage 3 trailing edge LPTR

Borescope Port S21

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 25 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 26 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

Low Pressure Turbine Stator Case

Supplies stage 5,

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

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 BSI HPTR trailing edge and stage 1 HPTR leading

Borescope Port S18

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 27 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 28 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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 Supplies start air pressure to the HPC stage 5 start bleed valve

Fuel Nozzle (20) 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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 29 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 30 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Master VBV Ball Screw Actuator (1) Fan Duct Panel Variable Bleed Valve (12) VBV Stop Mechanism Kicker Stop Feedback Rod Clevis

ALL CFMI PROPRIETARY INFORMATION

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Changes the VBV fuel gear motion into VBV linear rotational motion Supplies by-pass of primary airflow into the secondary airflow Points airflow from the booster through the open VBV doors to the fan by-pass air Controls the range of movement of the VBV fuel gear motor Transmits VBV master ball screw position to feedback cable Supplies a stop for the free lever

GENERAL Page 31 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 32 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Return Lever VBV Feedback Cable Rod End Bearing Free Lever VSV Rod End Pressure Line VSV Head End Pressure Line VBV Gear Motor

ALL CFMI PROPRIETARY INFORMATION

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Uses fuel pressure to turn the motor drive,

which opens or closes the VBVs Supplies a biased feedback signal to the MEC to further open VBV doors Transmits rod end fuel pressure from the MEC to the VSV actuator Transmits head end fuel pressure from the MEC to the VSV actuator Adjusts the length of the VBV feedback cable during the travel check Returns the VBV to the normal MEC schedule

GENERAL Page 33 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 34 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT TC2 Signal Line Idle Solenoid TC3 Signal Line (-3B2/-3C only) Cavity Drain VSV Rod End Pressure Line VSV Head End Pressure Line TC1 Signal Line

ALL CFMI PROPRIETARY INFORMATION

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Carries Pb or Pc fuel pressure from the MEC to the HPTCCV 9th stage valve Carries Pb or Pc fuel pressure from the MEC to the HPTCCV 5th stage valve Drains oil from the forward sump seal cavity to overboard Carries fuel pressure from the MEC to the VSV actuators to open the VSVs Electrically supplies flight and ground idle (high and low idle) by the aircraft’s flight condition Carries fuel pressure from the MEC to the VSV actuators to close the VSVs Signal pressure to the timer solenoid during a takeoff with n2 larger than 95%

GENERAL Page 35 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 36 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Electric Connector VSV Feedback Cable Pb Pressure Line VBV Feedback Cable Adjustment Screw VSV Feedback Cable

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Transmits PLA from the MEC to the PMC and transmits the TMC from the PMC to the MEC To rig the position of the pointer with the VSV rig notch To rig the position of the pointer with the VBV rig notch Carries Pb (low) pressure from the CIT (T25) sensor to the MEC 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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 37 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 38 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Oil Scavenge Return Line Oil Scavenge Line

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Transmits flight deck throttle demand to the MEC 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 Fuel pressure from the MEC to the rod end or the head end actuates the VSV system Supplies scavenge oil return from the servo heater to the oil tank

VBV Open Port Line Power Lever 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) Supplies mechanical stoppage for the power lever (non-adjustable) Supplies oil from the scavenge filter to the servo fuel heat exchanger Supplies fuel from the MEC to the VBV motor to open the VBVs Supplies fuel from the MEC to the VBV motor to close the VBVs

Fuel Supply Line 9 O’clock Tube Bundle VBV Close Port Line Full Forward Power Lever Stop

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 39 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 40 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT LP Fuel Pump Screen Assembly Servo Fuel Heater

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT De-ices the servo fuel by convection transfer of heat from the scavenge oil 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 Supplies vent air from AGB to the forward sump,

& protects horizontal drive shaft Transmits fuel from the pump to the servo heater Two-stage pump that supplies fuel pressure and drive for the MEC Pb supply to the timer and timer solenoid valve from the fuel pump Transmits fuel from the MEC to the fuel flow meter Cools the engine oil through convection transfer of heat from the oil to the fuel Supplies schedule fuel for combustion and servo operation

Fuel Supply Heater Tube Pb Pressure Line (-3B2/-3C only) Fuel Pump Fuel Supply Line Horizontal Drive Shaft Housing Accessory Gearbox Main Engine Control (MEC)

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 41 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 42 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Forward Sump MCD Lube Supply Filter PS12 Signal Line Oil Scavenge Line Lubrication Unit AGB/TGB Sump MCD Aft Sump MCD Fuel Filter

ALL CFMI PROPRIETARY INFORMATION

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Collects and filters metallic and non-metallic particles from the AGB/TGB sumps Supplies one supply pump and three scavenge pumps for oil circulation Supplies scavenge oil from the lube unit to the scavenge filter element Collects and filters metallic and non-metallic particles from the aft sump Supplies static air pressure from the PS12 manifold to the MEC Filters the fuel before the fuel flows to the high pressure stage of the fuel pump Filters the supply oil before the oil flows to the sumps Collects and filters metallic and non-metallic particles from the forward sump

GENERAL Page 43 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 44 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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 Connects the TGB to the AGB to supply oil scavenging Aligns the AGB for horizontal drive shaft installation Supplies a visual indication of the lube supply filter clogging

Oil Supply Line Visual Clogging Indicator Oil Scavenge Line

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 45 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 46 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT TS5 Pressure Line (-3B2/-3C only) P7 Pressure Line HPTCCV Timer (-3B2/-3C only) HPTCCV Timer Lockout Solenoid (-3C only) Pb Pressure Line TC1 Pressure Line (-3B2/-3C only) TS9 Pressure Line (-3B2/-3C only)

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Changes the operation of the HPTCCV during takeoff Transmits Pb (low) pressure from the T2 sensor to the MEC Supplies output of Pc or Pb from the TCC timer to the TCC valve to control stage 5 bleed* Supplies output of Pc or Pb from the TCC timer to the TCC valve to control stage 9 bleed** Controls the operation of the stage 5 valve of the TCCV (timer disarmed) Weight-on-wheels sensing relay,

airborne condition prevents TC3 fuel flow to TCCV timer Transmits P7 (high) pressure from the MEC to the T2 sensor *NOTE: Timer disarmed TS5 ports Tc1 fuel pressure

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 47 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 48 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Bellows/Valve Housing (T2) Pb Pressure Line (-3b2/-3C only)

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Pc pressure holds the timer latching valve in the latched position * 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 The timer starts its sequence when pressure indicates to lock-out solenoid that N2 is 95% Supplies the adjustment for the timer operation speed

TC2 Pressure Line (-3B2/-3C only) T2 Sensor (Stowed) 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

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 49 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 50 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT

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 Transmits power to the PMC and flight deck N2 speed indication

CSD/IDG Pad CSD/IDG Pad Drain

Supports the CSD/IDG

Control Alternator

Makes sure oil level of the CSD/IDG is normal during servicing

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 51 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 52 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION

ITEM NO

IDENTIFY THE LINE,

ACCESSORY OR COMPONENT Core Major Module Fan Major Module Low Pressure Turbine (LPT) Major Module

ALL CFMI PROPRIETARY INFORMATION

ITEM NO

SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT Contains the LPT rotor,

LPT stator,

LPT shaft,

and the LPT frame Contains fan/booster,

3 bearing,

TGB and AGB Contains HPC rotor & stators,

HPT nozzle & rotor,

GENERAL Page 53 Dec 00

CFM56-3

TRAINING MANUAL

COMPONENT IDENTIFICATION THIS PAGE LEFT INTENTIONALLY BLANK

ALL CFMI PROPRIETARY INFORMATION

GENERAL Page 54 Dec 00