CFM56-5B TRAINING MANUAL BASIC ENGINE

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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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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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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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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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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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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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CFM INTERNATIONAL ORGANIZATION

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Engine Applications
The following chart shows the various engine models for
the Airbus A319-A320-A321 aircraft.
The engine used on these aircraft is the CFM56-5B,
which has several different thrust ratings ranging from
22000 to 33000 lbs.

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CFM56-5B MAIN CHARACTERISTICS

Type of engine Turbo fan
Arrangement Two spool axial flow
Rotation Clockwise (ALF)
Compressors
- Low Pressure:
Fan Stage 1
Booster Stages 2 to 5
- High Pressure:
HP Compressor Stages 1 to 9
Combustion chamber Annular SAC (option DAC)
Turbines
- HP Turbine Single stage
- LP Turbine Four stages
Weight 2381 kg (5249 lbs)
Overall dimensions
- Length 2.94m (115.86 ins)
- Height 2.14m (83.65 ins)
- Width 1.97m (77.88 ins)

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CFM-56-5B