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LEARJET 45
PILOT TRAINING MANUAL
7-23
FOR TRAINING PURPOSES ONL
Y
Fl
ig
htSaf
et
y
in
terna
tional
ENGINE
FUEL
PUMP
MOTIVE FLOW
PUMP
OVERBOARD
PORT
FUEL FROM
WING TANK
TO WING TANK
JET PUMPS
TO LEFT
DEEC
DC TORQUE
MOTOR
METERING
VALVE
SURGE
VALVE
SOLENOIDS
FLYWEIGHT
GOVERNOR
(105% N
2
)
MANUAL MODE
ADJUSTMENT
MANUAL MODE SOLENOID
(POWERED OPEN,
COMPUTER ON)
OVERSPEED SOLENOID
(107% N
1
, 109% N
2
)
BLEED-AIR
PRESSURE P
3
TO ENGINE FUEL
MANIFOLD
THRUST
LEVER
RVDT
THRUST LEVER
ANGLE
N1
N2
ITT
PT2TT2
OIL OUT
OIL IN
FUEL HEATER/
OIL COOLER
(FHOC)
LR FUEL HEATER
(FUEL/OIL COOLER FAILURE, TOO HOT)
LR FUEL HEATER
(FUEL/OIL COOLER FAILURE, TOO COLD)
IGNITION
RELAY
LR FUEL FILTER
(IMPENDING BYPASS)
FILTER
BYPASS
ADC
L/R ENGINE COMPUTER
SWITCHES
MANUAL
SHUTOFF VALVE
FUEL FLOW
METER
FUEL
CONTROL
UNIT
ACC
GEAR
BOX
ENGINE/FUEL CONTROL PANEL
HYDRAULIC
PUMP
LEGEND
LOW PRESSURE FUEL
HIGH PRESSURE FUEL
ENGINE BLEED AIR
ELECTRICAL
MECHANICAL
RESTRICTOR
HIGH
PRESS
PUMP
LOW PRESS
PUMP
FUEL
L STBY
R STBY
XFLOW
FUEL USED RESET
ON
ARM
APR
EDS RECORD
ENG SYNC
N1
N2
OFF
L START
L IGN
OFF
ON
L ENG CMPTR
M
A
N
FIRE
#1
#2
EXTINGUISHER
L ENGINE
#2
#1
EXTINGUISHER
FIRE
R START
R IGN
OFF
ON
R ENG CMPTR
M
A
N
R ENGINE
ARMED
FIRE
PUSH
CLOSED
FIRE
PUSH
CLOSED
ON
ON
ON
ON
ON
ARMED
ARMED
ARMED
LR ENGCMPTR FAULT
(MINOR FAULT)
LR ENGCMPTR FAULT
(MAJOR FAULT)
ELECTRONIC
CONTROL
(DEEC)
Figure 7-16. Engine Fuel Control Schematic