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Table of Contents

For Training Purposes Only

May 03

18-i

POWER PLANT

P I L O T T R A I N I N G G U I D E

Introduction ....................................................................................................................... 18-1

Flat-Rated Thrust .............................................................................................................. 18-1

Engine Construction.......................................................................................................... 18-2

Description .................................................................................................................. 18-2

Flow Distribution.................................................................................................... 18-2
Major Power Plant Components ........................................................................... 18-3

Engine Fuel System .......................................................................................................... 18-4

Description .................................................................................................................. 18-4
Components and Operation ........................................................................................ 18-4

Engine-Driven Fuel Pump ..................................................................................... 18-4
Fuel/Oil Heat Exchanger and Fuel Filter ............................................................... 18-4
Fuel Control Unit (FCU) ........................................................................................ 18-4
Electronic Control Unit (ECU) ............................................................................... 18-6
Fuel System Operation ......................................................................................... 18-6

Automatic Performance Reserve System ......................................................................... 18-7

Description .................................................................................................................. 18-7
Operation .................................................................................................................... 18-7

APR Test ............................................................................................................... 18-7

Engine Oil System ............................................................................................................ 18-8

Description .................................................................................................................. 18-8
Components and Operation ........................................................................................ 18-8

Engine Oil Replenishment System...................................................................... 18-10

Engine Bleed Air System ................................................................................................ 18-12

Description ................................................................................................................ 18-12
Components and Operation ...................................................................................... 18-12

Engine Starting System .................................................................................................. 18-14

Description ................................................................................................................ 18-14
Components and Operation ...................................................................................... 18-15

Starter Control Valve ........................................................................................... 18-15
Air Turbine Starter (ATS) .................................................................................... 18-15
Start Sequence ................................................................................................... 18-16

Ignition System ............................................................................................................... 18-17

Description ................................................................................................................ 18-17
Operation .................................................................................................................. 18-17

Vibration Monitoring System ........................................................................................... 18-19

Description ................................................................................................................ 18-19
Operation .................................................................................................................. 18-19

Summary of Contents for Challenger 604 2004

Page 1: ...Electronic Control Unit ECU 18 6 Fuel System Operation 18 6 Automatic Performance Reserve System 18 7 Description 18 7 Operation 18 7 APR Test 18 7 Engine Oil System 18 8 Description 18 8 Components...

Page 2: ...ystem Test 18 19 Thrust Levers 18 20 Description 18 20 Operation 18 20 Thrust Levers 18 20 Thrust Reverser System 18 22 Description 18 22 Operation 18 22 Controls and Indicators 18 25 Engine Starting...

Page 3: ...System Schematic 18 7 Starting System Schematic 18 8 Engine Start Ignition Panel 18 9 Ignition System 18 10 ENGINE CONTROL Panel 18 11 Thrust Levers 18 12 Thrust Reverser Operation 18 13 GND SPOILERS...

Page 4: ...18 iv For Training Purposes Only May 03 POWER PLANT P I L O T T R A I N I N G G U I D E Page Intentionally Left Blank...

Page 5: ...4 stage axial flow compressor connected through a shaft to a two stage high pressure turbine The accessory gearbox is mechanically driven by the N2 compressor Normal takeoff thrust rating is 8729 poun...

Page 6: ...wo airflow paths Bypass Air Air is accelerated by the single stage N1 fan only and is ducted around the engine nacelle Bypass airflow produces approximately 80 of the thrust at takeoff Thrust reverser...

Page 7: ...t guide vanes and the first five stages of the stator vanes Fuel metered by the Fuel Control Unit FCU is used to hydraulically change the vane angle The VG system optimizes the airflow s angle of atta...

Page 8: ...of three separate pumps contained within a single housing The engine driven fuel pump provides high pressure fuel at a flow rate that exceeds the requirements of the engine at any power setting Fuel...

Page 9: ...PEED CONTROL Fuel Low Pressure Switch Fuel Temp Sensor Filter with P Indicator Bypass Valve Metered Fuel Fuel Shutoff Valve Mechanical Connection Electrical Connection Engine Driven Pump Element Tempe...

Page 10: ...s N1 speeds fuel flows or ITT indications may differ between engines N1 Speed Control N1 79 At takeoff climb and cruise power settings N1 above 79 the N1 control amplifier controls the engine N1 rpm T...

Page 11: ...th engines through the DCUs If an N1 rpm drop below 67 6 rpm is sensed at either engine the system automatically commands both engines to increase N1 speed Only the normally operating engine can respo...

Page 12: ...rator to the tank Maximum oil consumption is 6 4 ounces or 0 05 US gallons hour Engine oil pressure and temperature indications are presented on the EICAS primary page To provide system redundancy a p...

Page 13: ...SS OIL TEMP 115 82 3500 3500 10 115 OIL PRESS OIL TEMP FAN VIB 1 2 115 82 10 115 1 2 P604_18_004 Fuel oil Heat Exchanger ENGINE OIL Supply and Scavenge Pump to Other Engine Oil Filter Note Left Engine...

Page 14: ...shutdown The engines must be motored if the replenishment period is exceeded Maximum refill allowable is 2 U S quarts then the engine must be dry motored for at least 30 seconds prior to adding more...

Page 15: ...L LH FULL RH FULL RH FULL ON ON OFF OFF ENG OIL ENG OIL PRESS TO TEST PRESS TO TEST ON ON LH FULL LH FULL RH FULL RH FULL ON ON OFF OFF ENG OIL ENG OIL PRESS TO TEST PRESS TO TEST ON ON LH FULL LH FUL...

Page 16: ...Pneumatic supply to the air conditioning and pressurization systems and engine starting 14th stage Pneumatic supply to the engine cowl and wing anti ice systems or thrust reverser systems Components a...

Page 17: ...R Wing A I Valve L 14th SOV R 14th SOV R Cowl A Ice 10th Stage 14th Stage ISOL L 10th SOV R 10th SOV APU L Cowl A Ice 14th Stage 10th Stage L ACU L Wing Anti Ice R Wing Anti ice LCV Left Fuselage Righ...

Page 18: ...cart 10th stage bleed air from the operating engine crossbleed The following minimum bleed air pressures should be available for an engine start APU 40 psi External air start cart 45 psi Engine crossb...

Page 19: ...ally engages the accessory gearbox through a clutch and accelerates the N2 section of the power plant The starter is capable of dry motoring the engine up to approximately 28 N2 rpm During a normal st...

Page 20: ...r when the starter control valve opens a white light illuminates in the associated START switch light at 55 N2 rpm the start control valve is de energized and the ATS disengages The ATS is subject to...

Page 21: ...by pressing the CONT ignition switch light at the START IGNITION panel Both ignitions A and B are energized When continuous ignition is selected both green ON lights illuminate and the IGNITION A B ad...

Page 22: ...ssage remains displayed to advise the crew that continuous ignition is still active on the unaffected engine Ignition System Figure 18 10 B Circuit A Circuit SPS COMPUTER Both on Cont P604_18_005 IGNI...

Page 23: ...inuously monitored but are presented only when vibration levels exceed a target value An amber VIB icon appears in the middle of the N2 gauge when the vibration target value is exceeded There is no as...

Page 24: ...ved to SHUTOFF The mechanical stop is released by lifting the idle shutoff release latch on the thrust lever Friction Knobs A friction knob allows the pilot to change the friction setting for the thru...

Page 25: ...hrust reverser system See the thrust reverser description in this chapter for further details Thrust Levers Figure 18 12 M A X P O W E R IDLE IDLE SHUT OFF SHUT OFF Thrust Levers Left Right Engine Idl...

Page 26: ...t fan airflow forward through the cascade vanes Reverser deployment is accomplished by squeezing the thrust reverser triggers and applying upward pressure on the thrust reverser levers Thrust reverser...

Page 27: ...ust Reverser Operation Figure 18 13 Bypass Airflow Bypass Airflow Core Airflow Blocker Door Deployed WITH REVERSER DEPLOYED Cascade Vanes Blocker Door Stowed Translating Cowl Bypass Airflow Bypass Air...

Page 28: ...ser away from the fully stowed position the stow solenoid will energize and provided 14th stage bleed air is available the thrust reverser will be returned to the fully stowed position Automatic thrus...

Page 29: ...sequence Indicates associated air turbine start ATS valve is open L R ENGINE STOP Switches momentary action Press momentary Stops the engine start sequence acts as an ATS cutout switch IGNITION CONT...

Page 30: ...tic Performance Reverse APR system Engine speed control is in N2 mode regardless of N1 rpm Disables the APR system ENGINE CONTROL PANEL VIB Test Switch spring loaded to OFF OFF TEST Normal operating p...

Page 31: ...le levers from idle to shutoff positions Thrust Lever Friction Adjustment Adjusts friction on thrust levers only Rotate control clockwise to increase friction Takeoff Go Around Switches Momentary push...

Page 32: ...OFF Arms respective thrust reverser Disables respective thrust reverser L and R EMER STOW Switch Lights alternate action Press UNLK Light Illuminated Stows respective thrust reverser during inadverte...

Page 33: ...ER CHIP DETECT RESET LH LH RH RH MAGNETIC LATCHED FAULT FLAGS P604_18_021 TEST OIL FILTER CHIP DETECT RESET LH LH RH RH In view white triangles indicate fault at applicable LH and or RH engine oil sys...

Page 34: ...setting TO CLB CRZ MCT APR TGT Indicates selected thrust setting TO Maximum Takeoff CLB Maximum Climb CRZ Maximum Cruise MCT Maximum Continuous Thrust APR Automatic Performance Reserve TGT Target Pil...

Page 35: ...Digital and Dial Readout Indicates that ITT is above the maximum limit 900 C Inter Turbine Temperature ITT Digital and Dial Readout ITT 650 910 HOT HOT Icon EICAS PRIMARY PAGE Indicates the temperatur...

Page 36: ...nd 0 to 77 9 N2 RPM Digital and Dial Readout EICAS PRIMARY PAGE N1 90 0 85 0 85 0 N2 RPM is above 78 and Wing Anti Ice is selected on N2 RPM Digital and Dial Readout N2 Core Vibration Message N2 90 0...

Page 37: ...31 FF 3500 3500 FF PPH 3500 3500 FF KGH 1590 1590 Indicates fuel flow in pounds per hour PPH or kilograms per hour KGH FF PPH FF KGH Invalid data or fuel flow exceeds 5000 lbs hr or 2222 kg hr Oil Pre...

Page 38: ...ding bypass mode R FUEL FILTER L FUEL LO PRESS Insufficient pressure at the respective engine pump inlet R FUEL LO PRESS L REV UNLOCKED Reverser moved away from fully stowed position without a deploy...

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