Table of Contents
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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
May 03
Table of Contents
POWER PLANT
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Table of Contents
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Related Manuals for BOMBARDIER Challenger 604 2004
Summary of Contents for BOMBARDIER Challenger 604 2004
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Page 1: Table Of Contents
POWER PLANT P I L O T T R A I N I N G G U I D E Table of Contents 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...................... - Page 2 POWER PLANT P I L O T T R A I N I N G G U I D E Fan ......................... 18-19 Core........................ 18-19 Vibration Monitoring System Test ............... 18-19 Thrust Levers ........................18-20 Description ........................ 18-20 Operation ........................18-20 Thrust Levers ......................
- Page 3 POWER PLANT P I L O T T R A I N I N G G U I D E List of Figures Graphic Title Figure Flow Distribution ....................... 18-1 Engine Fuel System - Schematic ..................18-2 ENGINE CONTROL Panel ....................18-3 ENGINE CONTROL Panel ....................
- Page 4 POWER PLANT P I L O T T R A I N I N G G U I D E Page Intentionally Left Blank For Training Purposes Only 18-iv May 03...
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Page 5: Introduction
POWER PLANT P I L O T T R A I N I N G G U I D E CHAPTER 18: POWER PLANT Introduction The Challenger 604 is equipped with two General Electric CF34-3B high-bypass ratio turbofan engines. The dual-assembly engine consists of a fan rotor (N ) and a compressor rotor (N ). -
Page 6: Engine Construction
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Construction Description The CF34 power plant has two independently rotating major assemblies. The N section consists of a fan rotor that is driven through a shaft by a four-stage low- pressure turbine. -
Page 7: Major Power Plant Components
POWER PLANT P I L O T T R A I N I N G G U I D E Major Power Plant Components The N fan is a single-stage fan that consists of 28 titanium blades. A Kevlar blanket is wrapped around the inlet housing to contain damage from a failed fan blade. -
Page 8: Engine Fuel System
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Fuel System Description Fuel is delivered to the fuel injectors at pressures and flow rates required to maintain the desired engine thrust. The engine fuel system, in addition to providing fuel for combustion, is used for: •... -
Page 9: Engine Fuel System - Schematic
POWER PLANT P I L O T T R A I N I N G G U I D E 3500 3500 OIL PRESS VARIABLE GEOMETRY ACTUATOR N1 SPEED FUEL CONTROL L FUEL FILTER CONTROL UNIT Filter Engine-Driven with Pump Indicator LEGEND Bypass... -
Page 10: Electronic Control Unit (Ecu)
POWER PLANT P I L O T T R A I N I N G G U I D E Electronic Control Unit (ECU) When at high thrust settings, the engine is controlled by an electronic control unit (ECU) which works in tandem with the FCU. The ECU is also referred to as the N control amplifier. -
Page 11: Automatic Performance Reserve System
POWER PLANT P I L O T T R A I N I N G G U I D E Automatic Performance Reserve System Description During takeoff, the APR system monitors the N rpm of both engines. If a significant loss of N rpm is sensed on one engine, the APR system automatically increases the thrust of the remaining engine to the APR thrust rating. -
Page 12: Engine Oil System
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Oil System Description Oil from each engine nacelle tank is circulated under pressure to lubricate the engine and accessory gearbox. Components and Operation The gearbox-driven main lubrication pump pressurizes the lubrication system. -
Page 13: Oil System Schematic
POWER PLANT P I L O T T R A I N I N G G U I D E to Bearings and Accessory Gearbox LEGEND Oil Pump Element Differential Pressure Scavenge Switch/ 3500 3500 Transmitter OIL PRESS Selector OIL TEMP Valve Temperature Sensor... -
Page 14: Engine Oil Replenishment System
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Oil Replenishment System The Challenger 604 is equipped with an oil replenishment system located in the aft equipment bay. The system consists of a replenishment tank holding approximately 6.0 U.S. -
Page 15: Oil Replenishment System
POWER PLANT P I L O T T R A I N I N G G U I D E Filter Cap Engine Oil Replenishment Tank Electric Pump ENG OIL LH FULL RH FULL PRESS TO TEST Oil Quantity Indicator OIL LEVEL Manual CONTROL PANEL... -
Page 16: Engine Bleed Air System
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Bleed Air System Description Engine bleed air is extracted from the 7th, 10th and 14th stages of the engine compressor and used by the airplane systems below: •... -
Page 17: Engine Bleed Air System - Schematic
POWER PLANT P I L O T T R A I N I N G G U I D E Left Right Fuselage Fuselage ISOL L Wing R Wing A/I Valve A/I Valve L ACU R ACU L Cowl R Cowl A/Ice A/Ice L T/R... -
Page 18: Engine Starting System
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Starting System Description The starting system consists of the starter control valve and the air turbine starter (ATS). The air turbine starter drives the accessory gearbox, which in turn drives the N core section. -
Page 19: Components And Operation
POWER PLANT P I L O T T R A I N I N G G U I D E Components and Operation Starter Control Valve The starter control valve is mounted next to the air turbine starter (ATS) inside the engine nacelle. -
Page 20: Start Sequence
POWER PLANT P I L O T T R A I N I N G G U I D E Start Sequence Each engine has a set of START and STOP switch/lights on the ENGINE START/ IGNITION panel. When the engine START switch/light is pressed, the following occurs: •... -
Page 21: Ignition System
POWER PLANT P I L O T T R A I N I N G G U I D E Ignition System Description Two independent alternating current (AC) ignition systems are provided for each engine. Each ignition system consists of one ignition exciter and one igniter plug. Ignition system A is powered by the AC Essential Bus. -
Page 22: Ignition System
POWER PLANT P I L O T T R A I N I N G G U I D E the switch/lights remain illuminated, and the IGNITION A/B advisory EICAS message remains displayed (to advise the crew that continuous ignition is still active on the unaffected engine). -
Page 23: Vibration Monitoring System
POWER PLANT P I L O T T R A I N I N G G U I D E Vibration Monitoring System Description The power plant consists of two major rotating assemblies, the N fan and N core sections. Each assembly is continuously monitored for vibration. Indications are displayed on the EICAS primary page. -
Page 24: Thrust Levers
POWER PLANT P I L O T T R A I N I N G G U I D E Thrust Levers Description The thrust lever quadrant contains the thrust levers, thrust reverse levers, micro- switches and internal locks and stops necessary to control the engines in forward and reverse thrust. -
Page 25: Thrust Levers
POWER PLANT P I L O T T R A I N I N G G U I D E Thrust Reverser Levers The thrust reverse levers control the operation of the thrust reverser system. See the thrust reverser description in this chapter for further details. Thrust Levers, Left &... -
Page 26: Thrust Reverser System
POWER PLANT P I L O T T R A I N I N G G U I D E Thrust Reverser System Description The thrust reverser system is used to assist in stopping the aircraft on landing and during a rejected takeoff (RTO). The system is operable on the ground only. Operation The thrust reversers are armed when the appropriate switches on the THRUST REVERSER panel are selected to ARM and the respective 14th-stage bleed air shutoff... -
Page 27: Thrust Reverser Operation
POWER PLANT P I L O T T R A I N I N G G U I D E Cascade Blocker Translating Vanes Door Stowed Cowl THRUST REVERSER LEVER Bypass Airflow Core Airflow Bypass Airflow NORMAL OPERATION Bypass Blocker Door Airflow Deployed THRUST REVERSER... -
Page 28: Gnd Spoilers/Thrust Reverser Panel
POWER PLANT P I L O T T R A I N I N G G U I D E GND SPOILERS AUTO DISARM L ARMED R ARMED EMER STOW UNLK UNLK THRUST REVERSER GND SPOILERS/THRUST REVERSER Panel Figure 18-14 The thrust reverse system incorporates the following safety features: •... -
Page 29: Controls And Indicators
POWER PLANT P I L O T T R A I N I N G G U I D E Controls and Indicators The CF 34-3B engine controls consist of the following: • Thrust levers • Thrust reversers • Engine start/Ignition panel •... -
Page 30: Engine Speed Controls
POWER PLANT P I L O T T R A I N I N G G U I D E Engine Speed Controls VIB Test Switch (spring-loaded to OFF) - Normal operating position TEST : Performs a functional test of the vibration monitor system N2 VIB icons appear FAN VIB reading displays 3.5 MILS... -
Page 31: Thrust Levers
POWER PLANT P I L O T T R A I N I N G G U I D E Thrust Levers Thrust Levers, Left & Right Engine Controls forward thrust and Takeoff/ acts as fuel shutoff. Go-Around Switches Remains locked at idle Momentary pushbutton position during thrust switches. -
Page 32: Reverse Thrust
POWER PLANT P I L O T T R A I N I N G G U I D E Reverse Thrust GND SPOILERS GND SPOILERS L and R Thrust Reverser ARMED Switches ARMED - Arms AUTO AUTO respective thrust DISARM DISARM reverser... -
Page 33: Oil System
POWER PLANT P I L O T T R A I N I N G G U I D E Oil System L & R Engine Oil Tanks (Chip detectors located here) MASTER CAUTION TEST LH TEST RH RESET TEST RESET OIL FILTER OIL FILTER... -
Page 34: Eicas Primary Page
POWER PLANT P I L O T T R A I N I N G G U I D E EICAS Primary Page Takeoff N1 Readout and Bug N1 RPM Digital and Dial Readout 85.0 85.0 N1 Message Area 90.0 EICAS PRIMARY PAGE Description Symbol... -
Page 35: Itt Indications
POWER PLANT P I L O T T R A I N I N G G U I D E EICAS PRIMARY PAGE 85.0 85.0 90.0 Inter-Turbine Temperature (ITT) HOT Icon Digital and Dial Readout Description Symbol Condition Indicates the temperature of the low pressure turbine exhaust in °C (APR not activated scale) Green - 0 to 899°C... -
Page 36: N2 Indications
POWER PLANT P I L O T T R A I N I N G G U I D E EICAS PRIMARY PAGE 85.0 85.0 90.0 90.0 90.0 N2 RPM Digital and N2 Core Vibration Dial Readout Message Description Symbol Condition Indicates maximum allowable compressor speed in percent RPM... -
Page 37: Engine Secondary Indications
POWER PLANT P I L O T T R A I N I N G G U I D E EICAS PRIMARY PAGE 90.0 90.0 Fuel Flow Digital Readout Oil Pressure 3500 3500 Digital Readout OIL PRESS Oil Temperature OIL TEMP Digital Readout FAN VIB 16770... -
Page 38: Eicas Messages
POWER PLANT P I L O T T R A I N I N G G U I D E EICAS Messages AURAL WARNING MESSAGE MEANING (IF ANY) Left or right engine N or N or ITT above exceedance ENGINE TRIPLE ATTENSON level.
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