
LEARJET 45
PILOT TRAINING MANUAL
13-2
FOR TRAINING PURPOSES ONL
Y
Fl
ig
htSaf
et
y
in
terna
tional
FIRE
PUSH
CLOSED
FIRE
PUSH
CLOSED
HYD XFLOW
MAIN/AUX
EMER/PARK
BRAKE
PRESSURE
MAIN
AUX
BRAKES
BRAKE
ACCUM
EMER/PARK
BRAKE VALVE
AUX
FILTER
MANIFOLD
MAIN
FILTER
MANIFOLD
ON
AUX HYD
ON
MAIN
SYSTEM
ACCUM
GROUND
SERVICING
VALVE
SHUTOFF
VALVES
ENGINE
PUMPS
DC MOTOR
DRIVEN
AUX PUMP
TR'S
SPOILERS/
SPOILERONS
ENGINE
BLEED AIR
PRESS
MODULE
HYD FLUID
LEVEL
SENSOR
AUX FLUID LOW
(CAS)
PASS
THROUGH
ADD FLUID (ADD)
(CAS/GSP)
RESERVOIR FULL (FULL)
(GSP INDICATOR)
OVERFULL (OVER)
(GSP INDICATOR)
7
6
3
1
2
4
5
EMERGENCY/
PARKING BRAKE
FLAP
DRIVE
LDG GEAR
CONTROL
VALVE
DOOR
CONTROL
VALVE
LDG GEAR
FREE-FALL
LEVER
LANDING GEAR
CONTROL VALVE
MODULE
PRESSURE TRANSDUCER
ELECTRICAL
MECHANICAL
MAIN PRESSURE
AUX PRESSURE
MAIN RETURN
AUX RETURN
SUPPLY
BLEED AIR/ACCUM
PRECHARGE
LEGEND
SOL
EICAS/MFD SUMRY
HYD INDICATIONS
6
7
4
MAIN HYD PRESS
B-ACUM
AUX HYD QTY "LOW"
CAS MESSAGES
1
2
3
4
5
6
7
R HYD PUMP LOW
L HYD PUMP LOW
AUX HYD PMP LO
AUX HYD QTY LO
MAIN HYDQTY LO
MAIN HYD PRESS
BRK ACUM PRESS
Figure 13-1. Hydraulic System Schematic