CFM56-5B TRAINING MANUAL BASIC ENGINE

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INTRODUCTION TO THE CFM56 FAMILY The CFM56 engine, a high by-pass, dual rotor, axial flow turbofan, was designed in the mid 70’s. It is a product of CFMI. CFM International is a company jointly owned by GENERAL ELECTRIC (GE) of the USA, and SOCIETE NATIONALE D’ETUDE ET DE CONSTRUCTION DE MOTEURS D’AVIATION (SNECMA) of France. CFMI, with the full backing of parent companies holding equal shares, has a dual function : - Overall program management, on behalf of both GE and SNECMA - Single interface with customers for marketing and product support

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ENGLISH/METRIC CONVERSIONS METRIC/ENGLISH CONVERSIONS 1 mile= 1.609 km 1 km = 0.621 mile 1 ft = 0.3048 m or 30.48 cm 1 m = 3.281 ft. or 39.37 in. 1 in. = 0.0254 m or 2.54 cm 1 cm = 0.3937 in. 1 mil. = 25.4 10-6 m or 25.4mm 1 mm = 39.37 mils. 1 in.2 = 6.45 cm² 1 m² = 10.76 sq. ft. 1 cm² = 0.155 sq.in. 1 USG = 3.785 l ( dm³ ) 1 in.3 = 16.39 cm³ 1 m³ = 35.31 cu. ft. 1 dm³ = 0.264 US gallon 1 cm³ = 0.061 cu.in. 1 lb = 0.454 kg 1 kg =2.205 lbs 1 psi = 6.890 kPa or 6.89 x 10-2 bar 1 Pa = 1.45 x 10-4 psi 1 kPa = 0.145 psi or 0.01 bar 1 bar = 14.5 psi °F = 1.8 x °C + 32 °C = ( °F - 32 ) /1.8

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TRSOV THRUST REVERSER SHUTOFF VALVE TSI TIME SINCE INSTALLATION (HOURS) TSN TIME SINCE NEW (HOURS) TTL TRANSISTOR TRANSISTOR LOGIC U UER UNSCHEDULED ENGINE REMOVAL V VAC VOLTAGE, ALTERNATING CURRENT VBV VARIABLE BLEED VALVE VDC VOLTAGE, DIRECT CURRENT VDT VARIABLE DIFFERENTIAL TRANSFORMER VRT VARIABLE RESISTANCE TRANSDUCER VSV VARIABLE STATOR VANE W WDM WATCHDOG MONITOR WFM WEIGHT OF FUEL METERED WOW WEIGHT ON WHEEL

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TAT TOTAL AIR TEMPERATURE TBD TO BE DETERMINED TBV TRANSIENT BLEED VALVE T/E TRAILING EDGE T/C THERMOCOUPLE TC (T Case) HPT CASE TEMPERATURE TCC TURBINE CLEARANCE CONTROL TCJ TEMPERATURE COLD JUNCTION TECU ELECTRONIC CONTROL UNIT INTERNAL TEMPERATURE TEO ENGINE OIL TEMPERATURE TGB TRANSFER GEARBOX Ti TITANIUM TLA THRUST LEVER ANGLE TM TORQUE MOTOR TMC TORQUE MOTOR CURRENT TO/GA TAKE OFF/GO AROUND T/O TAKE OFF T oil OIL TEMPERATURE TPU TRANSIENT PROTECTION UNIT T/R THRUST REVERSER TRA THROTTLE RESOLVER ANGLE TRDV THRUST REVERSER DIRECTIONAL VALVE TRF TURBINE REAR FRAME TRPV THRUST REVERSER PRESSURIZING VALVE

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SDU SOLENOID DRIVER UNIT SER SERVICE EVALUATION REQUEST SFC SPECIFIC FUEL CONSUMPTION SG SPECIFIC GRAVITY SLS SEA LEVEL STANDARD (CONDITIONS : 29.92 in. Hg/59 F) SMM STATUS MATRIX SMP SOFTWARE MANAGEMENT PLAN S/N SERIAL NUMBER SNECMA SOCIETE NATIONALE D’ETUDE ET DE CONSTRUCTION DE MOTEURS D’AVIATION SOAP SPECTROMETRIC OIL ANALYSIS PROGRAM SOL SOLENOID SOV SHUT-OFF VALVE S/R SERVICE REQUEST S/V SHOP VISIT SVR SHOP VISIT RATE SW SOFTWARE T T12 FAN INLET TOTAL AIR TEMPERATURE T25 HPC INLET AIR TEMPERATURE T3 HP COMPRESSOR DISCHARGE AIR TEMPERATURE T49.5 EXHAUST GAS TEMPERATURE T5 LPT DISCHARGE TOTAL AIR TEMPERATURE

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PSM POWER SUPPLY MODULE PSS (ECU) PRESSURE SUB-SYSTEM PSU POWER SUPPLY UNIT PT TOTAL PRESSURE PT2 FAN INLET TOTAL AIR PRESSURE (PRIMARY FLOW) Q QAD QUICK ATTACH DETACH QTY QUANTITY R RAM RANDOM ACCESS MEMORY RDS RADIAL DRIVE SHAFT R/H RIGHT HAND RPM REVOLUTIONS PER MINUTE RTD RESISTIVE THERMAL DEVICE RTV ROOM TEMPERATURE VULCANIZING (MATERIAL) RVDT ROTARY VARIABLE DIFFERENTIAL TRANSFORMER S SAC SINGLE ANNULAR COMBUSTOR SAV STARTER AIR VALVE SB SERVICE BULLETIN SCU SIGNAL CONDITIONING UNIT SD SYSTEM DISPLAY SDAC SYSTEM DATA ACQUISITION CONCENTRATOR SDI SOURCE/DESTINATION IDENTIFIER (BITS) (CF ARINC SPEC)

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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

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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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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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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