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CPU CPU
OUTPUT DRIVER OUTPUT DRIVER
LANE CHANGE RELAY LANE CHANGE RELAY
WATCHDOG
TIMER
WATCHDOG
TIMER
SYSTEM CONTROLLER
SYSTEM
ACTUATOR
POSITION
ACTUATOR
ENGINE
OUTPUTS INPUTS INPUTS OUTPUTS
ENGINE
INPUTS
ENGINE
INPUTS
CROSS
LINKS
SYSTEM FEEDBACK TO CHANNEL A & B
OF EEC AS "ENGINE INPUTS"
ENGINE PARAMETER FEEDBACK TO BOTH
CHANNELS OF THE EEC (AS ABOVE) AND
DIRECT TO AIRFRAME SYSTEMS, IE: VIBRATION
17-8 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
POWER PLANT
ENGINE INDICATIONS
Primary engine parameters are displayed on EICAS. Secondary engine parameters are
displayed on the STAT page.
L ENG FLAMEOUT
FUEL LO QTY
FUEL IMBALANCE
YD OFF
GLD MANUAL ARM
PARK/EMER BRAKE ON
<– FUEL XFER ON
TOTAL FUEL (LBS) 4155O
146OO 1OOOO 146OO
N2
FF (PPH)
OIL TEMP
OIL PRESS
93.4
575O
115
81
I
G
N
START START
I
G
N
ND
STAB
ITT
SYNC
DN DN DN
OUT
3O
GEAR
–TRIMS–
NL RUDDER NR
AIL
LWD RWD
7.2
NU
93.4
575O
115
81
235O
73.3
T/O
N1
SYNC
73.3
98.5 98.5
1.54
1.65
CRZ
EPR
1.54
1.65
789 789
GX_17_025
APU
RPM EGT
BRAKE TEMP
100 650
04 05 04 04
OIL QTY (QTS)
ENG
APU
RES
12 . 3 12.3
5.0
5.1
Engine Pressure Ratio (EPR)
Used to display thrust and is the primary
thrust setting indicator.
N1 (FAN)
Used to display the LP compressor (fan)
speed, and as Secondary thrust setting
indicator and is measured in %.
Interturbine Temperature (ITT)
Used to display engine operating temperatures
and is displayed in °C.
N2 (HP compressor)
Used to display HP compressor speed and
is measured in %.
Oil Temperature (OIL TEMP)
Used to display the oil temperature and is
displayed in °C.
Oil Pressure (OIL PRESS)
Used to display the oil pressure and is
displayed in psi.
Engine Oil Quantity (ENG)
Used to display the oil quantity in the
engine and is measured in quarts.
Oil Reservoir Quantity (RES)
Used to display the amount of oil in the
replenishment tank and is measured in
quarts.
Fuel Flow (FF)
Used to display the amount of fuel being
used, in pounds per hour (pph) or kilograms
per hour (kgph).
Aft Tank
Not shown on Global 5000
1300
90%
13% 13%
0 . 00
20
19 20
22 22
20
CABIN (°C) CABIN (°C)
OXYGEN
CKPT (°C) AFT
OPEN OPEN
OUTFLOW VALVES
CAB ALT
CAB RATE
P
0 0
1 2
1 2
1 2
For Training Purposes Only
Sept 04
17-9
P I LOT T R A I N I N G GU I D E
POWER PLANT
INTERTURBINE TEMPERATURE (ITT)
ITT measures engine operating temperatures and is used by the EEC during engine
start and relight.
Seven dual element (dissimilar metals) thermocouples, located in the LP turbine entry
area, are connected in parallel and provide an average ITT to each lane of the EEC.
A data entry plug ensures that all engines have the same ITT redline. The redline will
change value depending on the start configuration, ground or inflight.
789
ITT
789
GX_17_026
CHANNEL
A
CHANNEL
B
EEC
DAU’s
DATA
ENTRY
PLUG
AIRFRAME
ENGINE
17-10 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
POWER PLANT
ITT INDICATION
789
ITT
789
25
ITT
125
ITT
GX_17_027
ITT Sweep Arm
Displays the current
ITT readout.
ITT Speed Redline
Displays the maximum ITT
allowed and is set at 900°C, for
engine operation (except engine
start). Should the ITT limits be
exceeded, the sweep arm and
ITT readout will be red and will
flash.
ITT Readout
Displays the current
ITT readout.
ITT Redline (ground start)
The redline is reset for ground start
to 700°C. It will revert back to 900°C
once the engine is at idle.
ITT Redline (inflight start)
The redline is reset for inflight start
to 850°C. It will revert back to
900°C once the engine is at idle.
9O6
For Training Purposes Only
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