CFM56-5B TRAINING MANUAL BASIC ENGINE

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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.

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Chapter Section Page Table of Contents 1 to 2 Lexis 1 to 8 Intro 1 to 8 72-00-00 Engine General 1 to 10 72-20-00 Fan Section 1 to 24 72-00-02 Core Engine Major Module 1 to 4 72-30-00 High Pressure Compressor Section 1 to 6 72-40-00 Combustion Section 1 to 6 72-50-00 Turbine Section 1 to 12 72-60-00 Accessory Drive Section 1 to 12

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ABBREVIATIONS & ACRONYMS A A/C AIRCRAFT AC ALTERNATING CURRENT ACARS AIRCRAFT COMMUNICATION ADDRESSING & REPORTING SYSTEM ACMS AIRCRAFT CONDITION MONITORING SYSTEM ACS AIRCRAFT CONTROL SYSTEM ADC AIR DATA COMPUTER ADEPT AIRLINE DATA ENGINE PERFORMANCE TREND ADIRU AIR DATA AND INERTIAL REFERENCE UNIT AGB ACCESSORY GEARBOX AIDS AIRCRAFT INTEGRATED DATA SYSTEM ALF AFT LOOKING FORWARD ALT ALTITUDE AMB AMBIENT AMM AIRCRAFT MAINTENANCE MANUAL AOG AIRCRAFT ON GROUND APU AUXILIARY POWER UNIT ARINC AERONAUTICAL RADIO, INC. (SPECIFICATION) ATA AIR TRANSPORT ASSOCIATION ATHR AUTO THRUST ATO ABORTED TAKE-OFF B BITE BUILT-IN TEST EQUIPMENT BMC BLEED MONITORING COMPUTER

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BSI BORESCOPE INSPECTION BSV BURNER STAGING VALVE BVCS BLEED VALVE CONTROL SOLENOID C CBP (HP) COMPRESSOR BLEED PRESSURE CCDL CROSS CHANNEL DATA LINK CCFG COMPACT CONSTANT FREQUENCY GENERATOR CCU COMPUTER CONTROL UNIT CCW COUNTER CLOCKWISE CDP (HP) COMPRESSOR DISCHARGE PRESSURE CFDIU CENTRALIZED FAULT DISPLAY INTERFACE UNIT CFDS CENTRALIZED FAULT DISPLAY SYSTEM CFMI JOINT GE/SNECMA COMPANY (CFM INTERNATIONAL) Ch A channel A Ch B channel B CMC CENTRALIZED MAINTENANCE COMPUTER CMM COMPONENT MAINTENANCE MANUAL CG CENTER OF GRAVITY cm.g CENTIMETER x GRAMS CHATV CHANNEL ACTIVE CFDIU CENTRALIZED FAULT DISPLAY INTERFACE UNIT CFDS CENTRALIZED FAULT & DISPLAY SYSTEM CIP(HP) COMPRESSOR INLET PRESSURE

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CIT(HP) COMPRESSOR INLET TEMPERATURE CODEP HIGH TEMPERATURE COATING CPU CENTRAL PROCESSING UNIT CRT CATHODE RAY TUBE CSD CONSTANT SPEED DRIVE CSI CYCLES SINCE INSTALLATION CSN CYCLES SINCE NEW Cu.Ni.In COPPER.NICKEL.INDIUM CW CLOCKWISE D DAC DOUBLE ANNULAR COMBUSTOR DC DIRECT CURRENT DCU DATA CONVERSION UNIT DISC DISCRETE DIU DIGITAL INTERFACE UNIT DMC DISPLAY MONITORING COMPUTER DMU DATA MANAGEMENT UNIT DPU DIGITAL PROCESSING MODULE DRT DE-RATED TAKE-OFF E EBU ENGINE BUILDUP UNIT ECAM ELECTRONIC CENTRALIZED AIRCRAFT MONITORING ECS ENVIRONMENTAL CONTROL SYSTEM ECU ELECTRONIC CONTROL UNIT

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EFH ENGINE FLIGHT HOURS EFIS ELECTRONIC FLIGHT INSTRUMENT SYSTEM EGT EXHAUST GAS TEMPERATURE EICAS ENGINE INDICATING AND CREW ALERTING SYSTEM EIS ELECTRONIC INSTRUMENT SYSTEM EIU ENGINE INTERFACE UNIT EMF ELECTROMOTIVE FORCE EMI ELECTRO MAGNETIC INTERFERENCE EMU ENGINE MAINTENANCE UNIT EPROM ERASABLE PROGRAMMABLE READ-ONLY MEMORY ESN ENGINE SERIAL NUMBER EVMU ENGINE VIBRATION MONITORING UNIT EWD ENGINE WARNING DISPLAY F FAA FEDERAL AVIATION AGENCY FADEC FULL AUTHORITY DIGITAL ENGINE CONTROL FAR FUEL/AIR RATIO FDRS FLIGHT DATA RECORDING SYSTEM FEIM FIELD ENGINEERING INVESTIGATION MEMO FFCCV FAN FRAME/COMPRESSOR CASE VERTICAL (VIBRATION SENSOR)

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FI FLIGHT IDLE (F/I) FLA FORWARD LOOKING AFT FLX TO FLEXIBLE TAKE-OFF FMGC FLIGHT MANAGEMENT AND GUIDANCE COMPUTER FMS FLIGHT MANAGEMENT SYSTEM FMV FUEL METERING VALVE FOD FOREIGN OBJECT DAMAGE FPA FRONT PANEL ASSEMBLY FPI FLUORESCENT PENETRANT INSPECTION FRV FUEL RETURN VALVE FWC FLIGHT WARNING COMPUTER FWD FORWARD G GE GENERAL ELECTRIC GEM GROUND-BASED ENGINE MONITORING GI GROUND IDLE (G/I) g.in GRAM x INCHES GMT GREENWICH MEAN TIME GSE GROUND SUPPORT EQUIPMENT H HCF HIGH CYCLE FATIGUE HCU HYDRAULIC CONTROL UNIT HDS HORIZONTAL DRIVE SHAFT HMU HYDROMECHANICAL UNIT HP HIGH PRESSURE HPC HIGH PRESSURE COMPRESSOR HPCR HIGH PRESSURE COMPRESSOR ROTOR

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HPSOV HIGH PRESSURE SHUTOFF VALVE HPT HIGH PRESSURE TURBINE HPTC HIGH PRESSURE TURBINE CLEARANCE HPTCC HIGH PRESSURE TURBINE CLEARANCE CONTROL HPTCCV HIGH PRESSURE TURBINE CLEARANCE CONTROL VALVE HPTR HIGH PRESSURE TURBINE ROTOR Hz HERTZ (CYCLES PER SECOND) I IDG INTEGRATED DRIVE GENERATOR ID PLUG IDENTIFICATION PLUG IFSD IN FLIGHT SHUT DOWN IGB INLET GEARBOX IGN IGNITION IGV INLET GUIDE VANE in. INCH I/O INPUT/OUTPUT IOM INPUT OUTPUT MODULE IR INFRA RED K K X 1000 L lbs. POUNDS, WEIGHT LCF LOW CYCLE FATIGUE LE (L/E) LEADING EDGE L/H LEFT HAND

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LP LOW PRESSURE LPC LOW PRESSURE COMPRESSOR LPT LOW PRESSURE TURBINE LPTC LOW PRESSURE TURBINE CLEARANCE LPTCC LOW PRESSURE TURBINE CLEARANCE CONTROL LPTR LOW PRESSURE TURBINE ROTOR LRU LINE REPLACEABLE UNIT LVDT LINEAR VARIABLE DIFFERENTIAL TRANSFORMER M MO AIRCRAFT SPEED MACH NUMBER MCD MASTER CHIP DETECTOR MCL MAXIMUM CLIMB MCDU MULTIPURPOSE CONTROL AND DISPLAY UNIT MCL MAXIMUM CLIMB MCT MAXIMUM CONTINUOUS THRUST MDDU MULTIPURPOSE DISK DRIVE UNIT mm. MILLIMETERS MMEL MAIN MINIMUM EQUIPMENT LIST MTBF MEAN TIME BETWEEN FAILURES MTBR MEAN TIME BETWEEN REMOVALS N N1 (NL) LOW PRESSURE ROTOR ROTATIONAL SPEED

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N1ACT ACTUAL N1 N1DMD DEMANDED N1 N1CMD COMMANDED N1 N2 (NH) HP ROTOR ROTATIONAL SPEED N2ACT ACTUAL N2 NVM NON VOLATILE MEMORY O OAT OUTSIDE AIR TEMPERATURE OGV OUTLET GUIDE VANE OSG OVERSPEED GOVERNOR P P0 AMBIENT STATIC PRESSURE P25 HPC INLET TOTAL AIR TEMPERATURE PCU PRESSURE CONVERTER UNIT PLA POWER LEVER ANGLE PMC POWER MANAGEMENT CONTROL PMUX PROPULSION MULTIPLEXER PS12 FAN INLET STATIC AIR PRESSURE PS13 FAN OUTLET STATIC AIR PRESSURE PS3HP COMPRESSOR DISCHARGE STATIC AIR PRESSURE psi POUNDS PER SQUARE INCH psia POUNDS PER SQUARE INCHABSOLUTE psid POUNDS PER SQUARE INCH DIFFERENTIAL psig POUNDS PER SQUARE INCH GAUGE