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CFM56-3 TRAINING MANUAL
COMPONENT IDENTIFICATION
ALL GENERAL
CFMI PROPRIETARY INFORMATION Page 1
Dec 00
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COMPONENT IDENTIFICATION
ALL GENERAL
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Cfm56 3-component identification

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Cfm56 3-component identification

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Transcript of "Cfm56 3-component identification"

  1. 1. 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
  2. 2. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 2 Dec 00
  3. 3. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 3 Dec 00 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 TRAINING MANUAL
  4. 4. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 4 Dec 00
  5. 5. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 5 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  6. 6. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 6 Dec 00
  7. 7. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 7 Dec 00 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, 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
  8. 8. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 8 Dec 00
  9. 9. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 9 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  10. 10. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 10 Dec 00
  11. 11. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 11 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  12. 12. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 12 Dec 00
  13. 13. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 13 Dec 00 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
  14. 14. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 14 Dec 00
  15. 15. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 15 Dec 00 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 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
  16. 16. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 16 Dec 00
  17. 17. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 17 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  18. 18. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 18 Dec 00
  19. 19. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 19 Dec 00 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
  20. 20. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 20 Dec 00
  21. 21. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 21 Dec 00 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, stage 9, or mixed bleed air to HPT shroud
  22. 22. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 22 Dec 00
  23. 23. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 23 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  24. 24. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 24 Dec 00
  25. 25. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 25 Dec 00 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 Borescope Port S21 BSI stage 4 leading edge and stage 3 trailing edge LPTR
  26. 26. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 26 Dec 00
  27. 27. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 27 Dec 00 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, 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
  28. 28. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 28 Dec 00
  29. 29. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 29 Dec 00 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 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
  30. 30. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 30 Dec 00
  31. 31. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 31 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  32. 32. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 32 Dec 00
  33. 33. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 33 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  34. 34. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 34 Dec 00
  35. 35. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 35 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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%
  36. 36. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 36 Dec 00
  37. 37. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 37 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  38. 38. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 38 Dec 00
  39. 39. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 39 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  40. 40. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 40 Dec 00
  41. 41. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 41 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  42. 42. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 42 Dec 00
  43. 43. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 43 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  44. 44. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 44 Dec 00
  45. 45. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 45 Dec 00 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 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
  46. 46. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 46 Dec 00
  47. 47. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 47 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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.
  48. 48. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 48 Dec 00
  49. 49. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 49 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  50. 50. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 50 Dec 00
  51. 51. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 51 Dec 00 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 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
  52. 52. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 52 Dec 00
  53. 53. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 53 Dec 00 ITEM NO. IDENTIFY THE LINE, ACCESSORY OR COMPONENT ITEM NO. SELECT THE PURPOSE THAT MATCHES THE LINE ACCESSORY OR COMPONENT 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
  54. 54. CFM56-3 TRAINING MANUAL COMPONENT IDENTIFICATION ALL GENERAL CFMI PROPRIETARY INFORMATION Page 54 Dec 00 THIS PAGE LEFT INTENTIONALLY BLANK
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