757 Schematics Layout 1
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SFS
Southeast Flight Support
Boeing 757 Pneumatic System Schematic L PACK
R PACK BLEED AIR
GROUND PNEUMATIC
L ISLN
60 40
L
.
20
DUCK LEAK TEMP
BLEED PRESSURE
HI STAGE
GROUND PNEUMATIC
80 DUCT PRESS
R ISLN
PSI
0
.
DUCK LEAK
ISOLATION
VALVE
BLEED HI STAGE
L WING ANTI-ICE
R WING ANTI-ICE
L ENG
APU O F F
FAN AIR MOD VALVE
R ENG
V A L V E
O F F
APU
FAN AIR MOD VALVE
PRE-COOLER TAI STARTER
TAI
LP
LP
HPSOV
HPSOV PANEL FLOW LINES FLOW LINES ONT ON PANEL
STARTER
SFS
Southeast Flight Support
Boeing 757 Air Conditioning System Schematic COMPT TEMP
68
75
INOP INOP
INOP
FLT DECK AUTO
. .
.
FWD CAB AUTO
.
.
.
.
.
C OFF W
.
.
.
. .
.
AFT CAB AUTO
.
.
.
MANIFOLD
ON
ON
OFF
INOP
INOP
R PACK
RESET
RESET
INOP INCP PACK OFF
INOP INCP PACK OFF
AUTO
AUTO OFF
OFF
N
N S C T B Y
S C T B Y W
PNEUMATIC SUPPLY
.
C OFF W
ON
L PACK
Trim Air
INOP
C OFF W
MIX
Pack Air Mix Manifold Air Exhaust Air
71
W
PNEUMATIC SUPPLY
SFS
Southeast Flight Support
Boeing 757 Cargo Heat Schematic
.
FORWARD CARGO COMPARTMENT
FORWARD CARGO HEAT FAN
AFT CARGO HEAT FAN
.
AFT CARGO COMPARTMENT
SFS
Southeast Flight Support
Boeing 757 Equipment Cooling Schematic
COCKPIT INSTRUMENT PANELS
EQUIP COOLING
SMOKE
ALTN
*AUX
OVHT
CRITICAL EQUIPMENT SHELVES FWD E/E
L. RECIRC SUPPLY
OVERBOARD EXHAUST
MIX MANIFOLD
*AS INSTALLED ETOPS LAVATORY GALLEY VENT
AFT E/E
OUTFLOW
EXHAUST
SFS
Southeast Flight Support
Boeing 757 Electrical System Schematic ER
B
FROM HOT BAT FROM BUS INVERTER
STBY POWER
BAT C
AUTO ON
HOT BAT BUS DC
D I S C H
MAIN BAT
BAT
OFF
OFF
O F F
STANDBY AC
BATTERY BUS DC
HYD DRIVEN GENERATOR
o
LEFT DC
. . BTB
T
STANDBY DC
R
T
Center DC
R
B
F/O FLT INSTRUMENT
CAPT FLT INSTRUMENT
Center AC Right DC
o
APU Bat
R=Xfr
L=Xfr
o
C
GND SERV
GND HANDLING APU GEN
EXT POWER
ON O F ON AVAIL F
BUS TIE
BUS TIE AUTO
AUTO
ISLN
ISLN UTILITY BUS L R
L BUS BUS OFF
L GEN CONT O F ON F
ON
ON
OFF
OFF
L
DRIVE
R
DRIVE
R BUS BUS OFF
R GEN CONT O F ON F
Flow lines not on panel: DC Power AC Power
SFS
Southeast Flight Support
Boeing 757 Battery Switch On Standby Selector To Auto BAT
B
STBY POWER
C
AUTO
ON
HOT BAT BUS DC
D I S C H
MAIN BAT
OFF
BAT
OFF
O F F
STANDBY DC STANDBY AC
BATTERY BUS DC LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
LEFT DC
Battery Switch On Standby Selector To Battery B
BAT
STBY POWER
C
AUTO
ON
HOT BAT BUS DC MAIN BAT
D I S C H
OFF
BAT
OFF
O F F
INV
BATTERY BUS DC
STANDBY DC STANDBY AC
LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
LEFT DC
Battery Switch On Standby Selector To Off B
BAT
STBY POWER
C
AUTO
ON
HOT BAT BUS DC MAIN BAT FLOW LINES NOT ON PANEL: DC POWER AC POWER LIGHT ILLUMINATED
D I S C H
OFF
OFF
BAT
O F F
BATTERY BUS DC LEFT DC
LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
STANDBY DC STANDBY AC
Boeing 757 Flight Control Surfaces Schematic
SPOILERS RUDDER
LEADING EDGE SLATS
ELEVATOR TRAILING EDGE FLAPS
AILERON
STABILIZER
SFS
Southeast Flight Support
Boeing 757
.
.
Spoiler Control Schematic
.
.
DOWN ARMED
.
UP
.
SPOILER CONTROLLER
R L
L R L R4 R C 2 3 1
7 8
5 6
R L R 9 1 0 1 C 1 12
GRD USE ONLY
SFS
Southeast Flight Support
Boeing 757 Elevator Control Schematic
.
.
..
COLUMN OVERRIDE
757 C & R CENTER HYD PRESS
ELEVATOR FEEL
C L
R
LEFT HYD PRESS
O R A T V E E L
ELEVATOR FEEL
ELEVATOR FEEL
RIGHT HYD PRESS
C
.
L E L E V A T O R
ELEVATOR FEEL
R
CENTER HYD PRESS
SFS
Boeing 757 Stabilizer Control Schematic
Southeast Flight Support
..
MATCH/SPEED TRIM
. ... . A/P ENGAGE
.. .
CONTROL COLUMN CUT-OFF
.
C
L CMD
ELECTRIC TRIM SWITCHES
APL NOSE ON
APL NOSE UP
TRIM SWITCHES (Some Airplanes)
CENTER HYD PRESS
ALTN STAB TRM
BRAKE MOTOR
.
S T A B
CMD
T R I M
.
R CMD
AUTOPILOT
CONTROL COLUMN CUT-OFF
TRIM LEVERS (Some Airplanes)
CUT OUT
STAB TRM
.. .
.
RIGHT HYD PRESS
BRAKE MOTOR
.
Boeing 757 Flap / Slat Control Schematic
.
SFS
Southeast Flight Support
5 1
15
20
UP
FLAP LEVER
NORM
25 LE
30
ALTN
. . .
ALTERNATE FLAP CONTROLS
LEFT HYDRAULIC SYSTEM
M
LE SLAT DRIVE
M
TE FLAP DRIVE
TE
ALTN
.
BYPASS VALVE
SFS
Southeast Flight Support
Boeing 757 Aileron Control Schematic
CAPTAIN
.
. .
..
AILERON TRM 642 0 246
AILERON
LEFT WING DOWN
.
RIGHT WING DOWN
FIRST OFFICER
.
TRIM SWITCHES
M
R
C
AILERONS
L R AILERONS
SFS
Southeast Flight Support
Boeing 757 Rudder Control Schematic YAW DAMPER L
R
ON
ON INOP A
INOP A
15 10 NOSE LEFT
RUDDER TRIM 5 0 5 10 UNITS
15
NOSE RIGHT
YAW DAMPER CONTROLLERS NOSE LEFT
.
.
. .
.
NOSE RIGHT
M
. L
RUDDER RATIO CHANGER
L
. .
C
* R R U D
L
D
C
E R
SFS
Southeast Flight Support
Boeing 757 Hydraulic System Schematic
ENGINE PUMPS
ELECTRIC PUMP
RIGHT SYSTEM
CENTER SYSTEM
LEFT SYSTEM
ELECTRIC PUMPS
RAT PUMP
ELECTRIC PUMP
ENGINE PUMP
VALVE L THRUST REVERSER
R THRUST REVERSER
ALTEMATE BRAKES
NORMAL BRAKES
LEFT AUTOPILOT SERVOS
CENTER AUTOPILOT SERVOS
RIGHT AUTOPILOT SERVOS
SPOILERS
SPOILERS
SPOILERS
LEFT AILERON
RIGHT AILERON ELEVATORS
RUDDER SPOILERS RUDDER RATIO
ELEVATOR FEEL
YAW DAMPERS
STAB TRIM
FLAPS & SLATS
*
RUDDER
HYD GEN
LANDING GEAR NOSE WHEEL STEERING
* 757-200ER
POWER TRANSFER UNIT (PTU)
VALVE
.
SFS
Southeast Flight Support
Boeing 757 Hydraulic Control Panel/EICAS Display Schematic
1
SYS PRESS A
SYS PRESS A
SYS PRESS A
2
RSVR
RSVR
RSVR
3
A
A
HYD PUMPS C 1-ELEC-2
L ENG ON
ON
PRESSA
PRESS
OVHT A
OVHT A
A
A
R ENG
ON
ON
PRESS A
PRESSA
OVHT A
4
OVHT A
ELEC
ELEC
ON
ON
PRESS
PRESS
OVHT A
OVHT A
A
A
OVERHEAD PANEL 1. ELECTRIC PUMPS SWITCH (L, C 1 & 2 R) Pressed - Activates respective electric pump. - Illuminates ON light. Released - Deactivates respective pump. - Extinguishes ON light. PRESS Amber - Illuminates when respective pump pressure is low. 2. SYS PRESS LIGHT (L, C, R - Amber) Illuminates when respective system pressure is low. 3. RESERVOIR LIGHT (L, C, R - Amber) Illuminates when respective reservoir pressure and / or quantity is low. 4. ENGINE PUMP SWITCH (L,R) PRESSED - Activates respective engine pump when engine is running. -Illuminates ON light. Released - Deactivates respective engine pump. - Extinguishes ON light. PRESS Amber - Illuminates when respective pump pressure is low. 5. OVHT LIGHT (6- Amber) Illuminates when respective electric or engine pump is overheated.
5
SFS
Southeast Flight Support
Boeing 757 Right Hydraulic Schematic
RESERVE BRAKES
ON
.
BLEED AIR
SYS PRESS RSVR
A A
STANDPIPE
..
DISCH
1
L ENG SUPPLY VALVES
ON PRESSA OVHT
A
ELEC ON PRESS
A
OVHT
A
.. M
R I G H T
2
.
TO USING COMPONENTS
TO BRAKES
Boeing 757 Left Hydraulic System Schematic
.
SFS
Southeast Flight Support
BLEED AIR
SYS PRESS RSVR
L ENG ON PRESS OVHT ELEC ON PRESS OVHT
R HYDE POWER
POWER TRANSFER UNIT
..
TO FLAPS/SLATS LANDING GEAR & STEERING DISCH
1
. . M
2
L E F T
.
TO USING COMPONENTS
SFS
Southeast Flight Support
Boeing 757 Center Hydraulic Schematic
RAM AIR TURB
PRESS
. .
UNLKD
BLEED AIR
SYS PRESS RSVR HYD PUMPS C 1-ELEC-2 ON
ON
PRESS
PRESS
OVHT
OVHT
M
..
M
. .
TO FLT CONTROLS
SFS
Southeast Flight Support
Boeing 757 Normal Brake System Schematic
. .
PARK BRAKE A
.
ALTN BRAKE PRESS
ACCUMULATOR ISOLATION VALVE
METERING VALVE
ACCUMULATOR
1
DISARM OFF
P A R K B R A K E
.
AUTOBRAKES 2
AUTO BRAKE A
.
3 4 MAX AUTO
RTO
RETURN
R HYD SYS NORMAL & RESERVE SOURCES PARK BRAKE VALVE
AUTOBRAKE
METERING VALVE
ANTI-SKID RETURN ANTI-SKID RETURN
ANTI-SKID RETURN
ANTI-SKID CONTROLLER
ANTI-SKID
SFS
Southeast Flight Support
Boeing 757 Alternate Brake System Schematic
.
.
L HYD SYSTEM
ALTN SOURCE SEL VALVE
ALTN METERING VALVE
ALTN ANTI-SKID VALVE
.
RETURN
ANTI-SKID CONTROLLER
ANTI-SKID
BRAKE SOURCE
R HYD SYSTEM ALTN METERING VALVE
ALTN ANTI-SKID VALVE
.
SFS
Southeast Flight Support
Boeing 757 Reserve Brakes Schematic RESERVE BRAKES
ON
RIGHT RESERVOIR
TO USING COMPONENTS
TO NORMAL BRAKES M
RIGHT HYD SYSTEM ELECTRIC PUMP
SFS
Southeast Flight Support
Boeing 757 Engine Anti-Ice Schematic OVERHEAD PANEL
L
ANTI-ICE WING
R
ON
ON
VALVE
VALVE
AIR/GND LOGIC
TO RIGHT WING ANTI-ICE VALVE
TIMER WING ANTI-ICE PNEUMATIC MANIFOLD ACCESSORY PANEL HEATED SLATS
WING ANTI-ICE VALVE
SFS
Southeast Flight Support
Boeing 757 Engine Anti-Ice Schematic
L
ANTI-ICE ENGINE
R
ON
ON
VALVE
VALVE BLEED AIR MANIFOLD
LP
HP NOTE: RIGHT ENGINE SIMILAR
SFS
Southeast Flight Support
Boeing 757 Engine Fuel System Schematic
...
FUEL MEASURING SYSTEM
2.2 FF ENGINE VALVE
AIR/GROUND SENSING FLAP POSITION ENG ANTI-ICE
FUEL METERING UNIT
TRIM MOTOR HP PUMP LP FUEL FILTER
OIL
FUEL HEAT LP PUMP
SPAR VALVE FUEL FEED
ENG VALVE SPAR VALVE FUEL CONTROL RUN CUT OFF
ELECTRONIC ENGINE CONTROL
R
SFS
Southeast Flight Support
Boeing 757 Engine Oil System (PW Engine) Schematic
R OIL FILTER R ENG OIL PRESS
GEAR BOX BEARINGS SCAVENGE PUMP
R ENGINE OIL PRESSOR
70 OIL
70 PRESS
90 OIL
90 TEMP
20 OIL
20 OFF
FUEL
OIL COOLERS
AIR OIL FILTER OIL RESERVOIR
MAIN
Southeast Flight Support
Boeing 757 Pneumatic System Schematic L PACK
R PACK BLEED AIR
GROUND PNEUMATIC
L ISLN
60 40
L
.
20
DUCK LEAK TEMP
BLEED PRESSURE
HI STAGE
GROUND PNEUMATIC
80 DUCT PRESS
R ISLN
PSI
0
.
DUCK LEAK
ISOLATION
VALVE
BLEED HI STAGE
L WING ANTI-ICE
R WING ANTI-ICE
L ENG
APU O F F
FAN AIR MOD VALVE
R ENG
V A L V E
O F F
APU
FAN AIR MOD VALVE
PRE-COOLER TAI STARTER
TAI
LP
LP
HPSOV
HPSOV PANEL FLOW LINES FLOW LINES ONT ON PANEL
STARTER
SFS
Southeast Flight Support
Boeing 757 Air Conditioning System Schematic COMPT TEMP
68
75
INOP INOP
INOP
FLT DECK AUTO
. .
.
FWD CAB AUTO
.
.
.
.
.
C OFF W
.
.
.
. .
.
AFT CAB AUTO
.
.
.
MANIFOLD
ON
ON
OFF
INOP
INOP
R PACK
RESET
RESET
INOP INCP PACK OFF
INOP INCP PACK OFF
AUTO
AUTO OFF
OFF
N
N S C T B Y
S C T B Y W
PNEUMATIC SUPPLY
.
C OFF W
ON
L PACK
Trim Air
INOP
C OFF W
MIX
Pack Air Mix Manifold Air Exhaust Air
71
W
PNEUMATIC SUPPLY
SFS
Southeast Flight Support
Boeing 757 Cargo Heat Schematic
.
FORWARD CARGO COMPARTMENT
FORWARD CARGO HEAT FAN
AFT CARGO HEAT FAN
.
AFT CARGO COMPARTMENT
SFS
Southeast Flight Support
Boeing 757 Equipment Cooling Schematic
COCKPIT INSTRUMENT PANELS
EQUIP COOLING
SMOKE
ALTN
*AUX
OVHT
CRITICAL EQUIPMENT SHELVES FWD E/E
L. RECIRC SUPPLY
OVERBOARD EXHAUST
MIX MANIFOLD
*AS INSTALLED ETOPS LAVATORY GALLEY VENT
AFT E/E
OUTFLOW
EXHAUST
SFS
Southeast Flight Support
Boeing 757 Electrical System Schematic ER
B
FROM HOT BAT FROM BUS INVERTER
STBY POWER
BAT C
AUTO ON
HOT BAT BUS DC
D I S C H
MAIN BAT
BAT
OFF
OFF
O F F
STANDBY AC
BATTERY BUS DC
HYD DRIVEN GENERATOR
o
LEFT DC
. . BTB
T
STANDBY DC
R
T
Center DC
R
B
F/O FLT INSTRUMENT
CAPT FLT INSTRUMENT
Center AC Right DC
o
APU Bat
R=Xfr
L=Xfr
o
C
GND SERV
GND HANDLING APU GEN
EXT POWER
ON O F ON AVAIL F
BUS TIE
BUS TIE AUTO
AUTO
ISLN
ISLN UTILITY BUS L R
L BUS BUS OFF
L GEN CONT O F ON F
ON
ON
OFF
OFF
L
DRIVE
R
DRIVE
R BUS BUS OFF
R GEN CONT O F ON F
Flow lines not on panel: DC Power AC Power
SFS
Southeast Flight Support
Boeing 757 Battery Switch On Standby Selector To Auto BAT
B
STBY POWER
C
AUTO
ON
HOT BAT BUS DC
D I S C H
MAIN BAT
OFF
BAT
OFF
O F F
STANDBY DC STANDBY AC
BATTERY BUS DC LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
LEFT DC
Battery Switch On Standby Selector To Battery B
BAT
STBY POWER
C
AUTO
ON
HOT BAT BUS DC MAIN BAT
D I S C H
OFF
BAT
OFF
O F F
INV
BATTERY BUS DC
STANDBY DC STANDBY AC
LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
LEFT DC
Battery Switch On Standby Selector To Off B
BAT
STBY POWER
C
AUTO
ON
HOT BAT BUS DC MAIN BAT FLOW LINES NOT ON PANEL: DC POWER AC POWER LIGHT ILLUMINATED
D I S C H
OFF
OFF
BAT
O F F
BATTERY BUS DC LEFT DC
LEFT DC BUS (NON-ER) LEFT AC XLER BUS (ER)
STANDBY DC STANDBY AC
Boeing 757 Flight Control Surfaces Schematic
SPOILERS RUDDER
LEADING EDGE SLATS
ELEVATOR TRAILING EDGE FLAPS
AILERON
STABILIZER
SFS
Southeast Flight Support
Boeing 757
.
.
Spoiler Control Schematic
.
.
DOWN ARMED
.
UP
.
SPOILER CONTROLLER
R L
L R L R4 R C 2 3 1
7 8
5 6
R L R 9 1 0 1 C 1 12
GRD USE ONLY
SFS
Southeast Flight Support
Boeing 757 Elevator Control Schematic
.
.
..
COLUMN OVERRIDE
757 C & R CENTER HYD PRESS
ELEVATOR FEEL
C L
R
LEFT HYD PRESS
O R A T V E E L
ELEVATOR FEEL
ELEVATOR FEEL
RIGHT HYD PRESS
C
.
L E L E V A T O R
ELEVATOR FEEL
R
CENTER HYD PRESS
SFS
Boeing 757 Stabilizer Control Schematic
Southeast Flight Support
..
MATCH/SPEED TRIM
. ... . A/P ENGAGE
.. .
CONTROL COLUMN CUT-OFF
.
C
L CMD
ELECTRIC TRIM SWITCHES
APL NOSE ON
APL NOSE UP
TRIM SWITCHES (Some Airplanes)
CENTER HYD PRESS
ALTN STAB TRM
BRAKE MOTOR
.
S T A B
CMD
T R I M
.
R CMD
AUTOPILOT
CONTROL COLUMN CUT-OFF
TRIM LEVERS (Some Airplanes)
CUT OUT
STAB TRM
.. .
.
RIGHT HYD PRESS
BRAKE MOTOR
.
Boeing 757 Flap / Slat Control Schematic
.
SFS
Southeast Flight Support
5 1
15
20
UP
FLAP LEVER
NORM
25 LE
30
ALTN
. . .
ALTERNATE FLAP CONTROLS
LEFT HYDRAULIC SYSTEM
M
LE SLAT DRIVE
M
TE FLAP DRIVE
TE
ALTN
.
BYPASS VALVE
SFS
Southeast Flight Support
Boeing 757 Aileron Control Schematic
CAPTAIN
.
. .
..
AILERON TRM 642 0 246
AILERON
LEFT WING DOWN
.
RIGHT WING DOWN
FIRST OFFICER
.
TRIM SWITCHES
M
R
C
AILERONS
L R AILERONS
SFS
Southeast Flight Support
Boeing 757 Rudder Control Schematic YAW DAMPER L
R
ON
ON INOP A
INOP A
15 10 NOSE LEFT
RUDDER TRIM 5 0 5 10 UNITS
15
NOSE RIGHT
YAW DAMPER CONTROLLERS NOSE LEFT
.
.
. .
.
NOSE RIGHT
M
. L
RUDDER RATIO CHANGER
L
. .
C
* R R U D
L
D
C
E R
SFS
Southeast Flight Support
Boeing 757 Hydraulic System Schematic
ENGINE PUMPS
ELECTRIC PUMP
RIGHT SYSTEM
CENTER SYSTEM
LEFT SYSTEM
ELECTRIC PUMPS
RAT PUMP
ELECTRIC PUMP
ENGINE PUMP
VALVE L THRUST REVERSER
R THRUST REVERSER
ALTEMATE BRAKES
NORMAL BRAKES
LEFT AUTOPILOT SERVOS
CENTER AUTOPILOT SERVOS
RIGHT AUTOPILOT SERVOS
SPOILERS
SPOILERS
SPOILERS
LEFT AILERON
RIGHT AILERON ELEVATORS
RUDDER SPOILERS RUDDER RATIO
ELEVATOR FEEL
YAW DAMPERS
STAB TRIM
FLAPS & SLATS
*
RUDDER
HYD GEN
LANDING GEAR NOSE WHEEL STEERING
* 757-200ER
POWER TRANSFER UNIT (PTU)
VALVE
.
SFS
Southeast Flight Support
Boeing 757 Hydraulic Control Panel/EICAS Display Schematic
1
SYS PRESS A
SYS PRESS A
SYS PRESS A
2
RSVR
RSVR
RSVR
3
A
A
HYD PUMPS C 1-ELEC-2
L ENG ON
ON
PRESSA
PRESS
OVHT A
OVHT A
A
A
R ENG
ON
ON
PRESS A
PRESSA
OVHT A
4
OVHT A
ELEC
ELEC
ON
ON
PRESS
PRESS
OVHT A
OVHT A
A
A
OVERHEAD PANEL 1. ELECTRIC PUMPS SWITCH (L, C 1 & 2 R) Pressed - Activates respective electric pump. - Illuminates ON light. Released - Deactivates respective pump. - Extinguishes ON light. PRESS Amber - Illuminates when respective pump pressure is low. 2. SYS PRESS LIGHT (L, C, R - Amber) Illuminates when respective system pressure is low. 3. RESERVOIR LIGHT (L, C, R - Amber) Illuminates when respective reservoir pressure and / or quantity is low. 4. ENGINE PUMP SWITCH (L,R) PRESSED - Activates respective engine pump when engine is running. -Illuminates ON light. Released - Deactivates respective engine pump. - Extinguishes ON light. PRESS Amber - Illuminates when respective pump pressure is low. 5. OVHT LIGHT (6- Amber) Illuminates when respective electric or engine pump is overheated.
5
SFS
Southeast Flight Support
Boeing 757 Right Hydraulic Schematic
RESERVE BRAKES
ON
.
BLEED AIR
SYS PRESS RSVR
A A
STANDPIPE
..
DISCH
1
L ENG SUPPLY VALVES
ON PRESSA OVHT
A
ELEC ON PRESS
A
OVHT
A
.. M
R I G H T
2
.
TO USING COMPONENTS
TO BRAKES
Boeing 757 Left Hydraulic System Schematic
.
SFS
Southeast Flight Support
BLEED AIR
SYS PRESS RSVR
L ENG ON PRESS OVHT ELEC ON PRESS OVHT
R HYDE POWER
POWER TRANSFER UNIT
..
TO FLAPS/SLATS LANDING GEAR & STEERING DISCH
1
. . M
2
L E F T
.
TO USING COMPONENTS
SFS
Southeast Flight Support
Boeing 757 Center Hydraulic Schematic
RAM AIR TURB
PRESS
. .
UNLKD
BLEED AIR
SYS PRESS RSVR HYD PUMPS C 1-ELEC-2 ON
ON
PRESS
PRESS
OVHT
OVHT
M
..
M
. .
TO FLT CONTROLS
SFS
Southeast Flight Support
Boeing 757 Normal Brake System Schematic
. .
PARK BRAKE A
.
ALTN BRAKE PRESS
ACCUMULATOR ISOLATION VALVE
METERING VALVE
ACCUMULATOR
1
DISARM OFF
P A R K B R A K E
.
AUTOBRAKES 2
AUTO BRAKE A
.
3 4 MAX AUTO
RTO
RETURN
R HYD SYS NORMAL & RESERVE SOURCES PARK BRAKE VALVE
AUTOBRAKE
METERING VALVE
ANTI-SKID RETURN ANTI-SKID RETURN
ANTI-SKID RETURN
ANTI-SKID CONTROLLER
ANTI-SKID
SFS
Southeast Flight Support
Boeing 757 Alternate Brake System Schematic
.
.
L HYD SYSTEM
ALTN SOURCE SEL VALVE
ALTN METERING VALVE
ALTN ANTI-SKID VALVE
.
RETURN
ANTI-SKID CONTROLLER
ANTI-SKID
BRAKE SOURCE
R HYD SYSTEM ALTN METERING VALVE
ALTN ANTI-SKID VALVE
.
SFS
Southeast Flight Support
Boeing 757 Reserve Brakes Schematic RESERVE BRAKES
ON
RIGHT RESERVOIR
TO USING COMPONENTS
TO NORMAL BRAKES M
RIGHT HYD SYSTEM ELECTRIC PUMP
SFS
Southeast Flight Support
Boeing 757 Engine Anti-Ice Schematic OVERHEAD PANEL
L
ANTI-ICE WING
R
ON
ON
VALVE
VALVE
AIR/GND LOGIC
TO RIGHT WING ANTI-ICE VALVE
TIMER WING ANTI-ICE PNEUMATIC MANIFOLD ACCESSORY PANEL HEATED SLATS
WING ANTI-ICE VALVE
SFS
Southeast Flight Support
Boeing 757 Engine Anti-Ice Schematic
L
ANTI-ICE ENGINE
R
ON
ON
VALVE
VALVE BLEED AIR MANIFOLD
LP
HP NOTE: RIGHT ENGINE SIMILAR
SFS
Southeast Flight Support
Boeing 757 Engine Fuel System Schematic
...
FUEL MEASURING SYSTEM
2.2 FF ENGINE VALVE
AIR/GROUND SENSING FLAP POSITION ENG ANTI-ICE
FUEL METERING UNIT
TRIM MOTOR HP PUMP LP FUEL FILTER
OIL
FUEL HEAT LP PUMP
SPAR VALVE FUEL FEED
ENG VALVE SPAR VALVE FUEL CONTROL RUN CUT OFF
ELECTRONIC ENGINE CONTROL
R
SFS
Southeast Flight Support
Boeing 757 Engine Oil System (PW Engine) Schematic
R OIL FILTER R ENG OIL PRESS
GEAR BOX BEARINGS SCAVENGE PUMP
R ENGINE OIL PRESSOR
70 OIL
70 PRESS
90 OIL
90 TEMP
20 OIL
20 OFF
FUEL
OIL COOLERS
AIR OIL FILTER OIL RESERVOIR
MAIN
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