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Pneumatic System Schematic
Boeing 757 Southeast Flight SupportSFS
60 80
20 0
DUCTPRESSPSI
40
LDUCKLEAK
BLEED
L ISLN
L ENG APU R ENG
L PACK R PACK
GROUNDPNEUMATIC
GROUNDPNEUMATIC
BLEED AIR
R WING ANTI-ICEL WING ANTI-ICE
PRESSURE
TEMP
PRE-COOLER
PANEL FLOW LINESFLOW LINES ONT ON PANEL
LP
HPSOV HPSOV
STARTER STARTER
R ISLN
ISOLATION
HI STAGE
DUCKLEAK
BLEED
HI STAGE
OFF
VALVE
OFF
FAN AIRMOD VALVE
FAN AIRMOD VALVEAPU
VALVE..
LP
TAI TAI
Boeing 757 Southeast Flight SupportSFS
..
....FLT DECKAUTO
OFFC W
..
....FWD CABAUTO
OFFC W
..
....AFT CABAUTO
OFFC W
INOP
M I X M A N I F O L D
INOPINOP
6 8 7 5 7 1
INOP
INCPINOPPACKOFF
INCPINOPPACKOFF
COMPT TEMP
Trim Air
Mix Manifold AirExhaust Air
Pack Air
ON
OFF
ON
INOP
ON
INOP
AUTOOFF N
STBY
C
W
AUTOOFF N
STBY
C
W
PNEUMATIC SUPPLYPNEUMATIC SUPPLY
Air Conditioning System Schematic
L PACK R PACK
RESET RESET
Cargo Heat Schematic
Boeing 757 Southeast Flight SupportSFS
.
.FORWARDCARGO
COMPARTMENT
AFT CARGOCOMPARTMENT
FORWARD CARGO HEAT FAN
AFT CARGO HEAT FAN
Equipment Cooling Schematic
Boeing 757 Southeast Flight SupportSFS
COCKPITINSTRUMENTPANELS
AFT E/E
CRITICALEQUIPMENTSHELVES
FWD E/E
*AUX
*AS INSTALLED ETOPS
SUPPLY
MIX MANIFOLD
LAVATORY GALLEY VENT
L. RECIRC
OVERBOARDEXHAUST
EXHAUSTOUTFLOW
ALTN
OVHT
SMOKE
EQUIP COOLING
Electrical System Schematic ER
Boeing 757 Southeast Flight SupportSFS
. .
BAT
BATON
OFF
STBY POWER
OFF
HOT BATBUS DC
BATTERYBUS DC
LEFTDC
BTB
FROMINVERTER
FROMHOT BATBUS
STANDBYDC
STANDBYAC
CenterACRightDC
APUBat
GNDSERV
CenterDC
MAINBAT
TT
C AUTO
o o o
OFF
HYD DRIVENGENERATOR
L=Xfr R=Xfr
F/O FLTINSTRUMENT
CAPT FLTINSTRUMENT
B
OFF
ON
AVAILON
AUTO
ISLN
AUTO
ISLN
BUS TIE
L BUS R BUS
APU GEN EXT POWER
BUS TIE
LGENCONT
RGENCONT
BUSOFF
UTILITY BUS
L R
L R
OFFDRIVEDRIVE
AC PowerDC Power
Flow lines not on panel:
B
R
DISCH
R
C
ONOFF ON
ON
OFF
ON
OFF
BUSOFF
GNDHANDLING
Battery Switch On Standby Selector To Auto
Boeing 757
LEFT DC
DC POWERAC POWERLIGHT ILLUMINATED
FLOW LINES NOT ON PANEL:
LEFT DC BUS (NON-ER)LEFT AC XLER BUS (ER)
BAT
BATON
OFF
STBY POWER
HOT BATBUS DC
BATTERYBUS DC
STANDBYDC
STANDBYACMAIN
BAT
C AUTOOFF
B
OFF
DISCH
Southeast Flight SupportSFS
LEFT DCLEFT DC BUS (NON-ER)LEFT AC XLER BUS (ER)
Battery Switch On Standby Selector To Battery
BAT
BATON
OFF
STBY POWER
HOT BATBUS DC
BATTERYBUS DC
STANDBYDC
STANDBYACMAIN
BAT
C AUTOOFF
B
DISCH
OFFINV
Battery Switch On Standby Selector To Off
BAT
BATON
OFF
STBY POWER
HOT BATBUS DC
BATTERYBUS DC
STANDBYDC
STANDBYACMAIN
BAT
C AUTOOFF
B
DISCH
OFF
LEFT DC LEFT DC BUS (NON-ER)LEFT AC XLER BUS (ER)
Flight Control Surfaces Schematic
Boeing 757
TRAILING EDGE FLAPS
RUDDER
ELEVATOR
STABILIZER
SPOILERS
LEADINGEDGE SLATS
AILERON
1 2 3 4C RL R 9 10 11 12
R L R C5 6L R
7 8R L
Spoiler Control Schematic
. .
SPOILERCONTROLLER
DOWN
ARMED
UP
.
.. .
Boeing 757 Southeast Flight SupportSFS
GRD USE ONLY
Elevator Control Schematic
Boeing 757 Southeast Flight SupportSFS
R
CL
C
RL
E L EV A
T OR E L E V A T O R
..
COLUMNOVERRIDE
RIGHTHYD PRESS
757 C & R
CENTERHYD PRESS
ELEVATORFEEL
ELEVATORFEEL
LEFTHYD PRESS
ELEVATORFEEL
CENTERHYD PRESS
ELEVATORFEEL.
..
Stabilizer Control Schematic
TRIM
STAB
CMD CMD CMD
BRAKE
RIGHTHYDPRESS
CONTROLCOLUMNCUT-OFF
MATCH/SPEED TRIM
CONTROLCOLUMNCUT-OFF
TRIM SWITCHES TRIM LEVERS
ELECTRICTRIM
SWITCHES
AUTOPILOT
(Some Airplanes) (Some Airplanes)
CENTERHYDPRESS
MOTOR
BRAKE
MOTOR
.. .. .. ......
. . . .
A/P ENGAGE
L C R
APLNOSE UP
ALTNSTAB TRM
APLNOSE ON
STAB TRM
CUTOUT
Boeing 757 Southeast Flight SupportSFS
..
Flap / Slat Control Schematic
FLAPLEVER
ALTERNATEFLAP CONTROLS
LEFT HYDRAULICSYSTEM
M
.
M
LE SLATDRIVE
TE FLAPDRIVE
BYPASSVALVE
.
NORM
UP
1
5
30
15
20
25
ALTN ALTN
LE TE
Boeing 757 Southeast Flight SupportSFS
.
.
.
Aileron Control Schematic
CAPTAIN FIRST OFFICER
LEFTWINGDOWN
RIGHTWINGDOWN
TRIMSWITCHES
642 0 246AILERON TRM
AILERON
... .
Boeing 757 Southeast Flight SupportSFS
.M
. .
RC L R
AILERONS AILERONS
Rudder Control Schematic
Boeing 757
R RUDDER
L
C
INOP
ON
INOP A
15 10 5 0 5 10 15RUDDER TRIM
L R
YAW DAMPER
NOSE LEFT UNITS NOSE RIGHT
NOSELEFT
NOSERIGHT
A
ON
YAW DAMPERCONTROLLERS
RUDDERRATIO
CHANGER
L C
L
. ..
. ..
..
M
*
Southeast Flight SupportSFS
Hydraulic System Schematic
Boeing 757 Southeast Flight SupportSFS
LEFTSYSTEM
CENTERSYSTEM
RIGHTSYSTEM
ENGINEPUMP
ENGINEPUMPS
L THRUSTREVERSER
R THRUSTREVERSER
LEFT AUTOPILOTSERVOS
CENTERAUTOPILOTSERVOS
RIGHTAILERON
LEFTAILERON
ELEVATORFEEL
STABTRIM
SPOILERS SPOILERS
RUDDER
ALTEMATEBRAKES
RIGHTAUTOPILOTSERVOS
SPOILERS
NORMALBRAKES
ELECTRICPUMP
ELECTRICPUMP
RATPUMP
ELECTRICPUMPS
SPOILERS
*
*
VALVE
RUDDER
ELEVATORS
YAWDAMPERS
RUDDERRATIO
LANDINGGEAR
HYDGEN
NOSE WHEELSTEERING
FLAPS &SLATS
VALVEPOWERTRANSFER UNIT
(PTU)
757-200ER
Hydraulic Control Panel/EICAS Display Schematic
Boeing 757 Southeast Flight SupportSFS
PRESS
ON
PRESS
ON
PRESS
ON
PRESS
ON
PRESS
ON
PRESS
ON
OVHT OVHT OVHT OVHT
OVHTOVHT
SYSPRESS
RSVR
SYSPRESS
RSVR
SYSPRESS
RSVR
HYD PUMPSLENG
C1 - E L E C - 2
RENG
.12
3
4
5
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 - 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 - Illuminates when respective pump pressure is low.
5. OVHT LIGHT (6- Amber)Illuminates when respective electric or engine pump is overheated.
AA
A A
AAAA
A A A A
A
AA
A
A
A
ELEC ELEC
Amber
Amber
Right Hydraulic Schematic
Boeing 757 Southeast Flight SupportSFS
BLEED AIR
TO USINGCOMPONENTS
TO BRAKES
SUPPLYVALVES
STANDPIPE
PRESS
ON
OVHT
PRESS
ON
OVHT
ELEC
L ENG
SYSPRESS
RSVR
M
RIGHT
DISCH
1 2
.
.
..
.
ON
RESERVEBRAKES
A
A
A
A
A
A
.
Left Hydraulic System Schematic
BLEED AIR
R HYDE POWER
POWERTRANSFERUNIT
TO FLAPS/SLATSLANDING GEAR& STEERING
TO USINGCOMPONENTS
PRESS
ON
OVHT
PRESS
ON
OVHT
ELEC
L ENG
Boeing 757 Southeast Flight SupportSFS
SYSPRESS
RSVR
M
LEFT
DISCH
1 2
..
.
..
.
Center Hydraulic Schematic
Boeing 757 Southeast Flight SupportSFS
BLEED AIR
TO FLTCONTROLS
MM
PRESS
ON
PRESS
ON
OVHT OVHT
C1 - E L E C - 2
HYD PUMPS .
UNLKD
PRESS
RAM AIR TURB
SYSPRESS
RSVR
.
..
..
Normal Brake System Schematic
Boeing 757 Southeast Flight SupportSFS
PARKBRAKE
PARKBRAKE
ALTNBRAKEPRESS
PARKBRAKEVALVE
RETURN
R HYD SYSNORMAL &RESERVESOURCES
METERINGVALVE
METERINGVALVE
ACCUMULATORISOLATIONVALVE
AUTOBRAKEACCUMULATOR
ANTI-SKID RETURNANTI-SKID RETURN
ANTI-SKIDCONTROLLER
ANTI-SKID
ANTI-SKID RETURN
.
..
.
.
RTO
DISARM
AUTOBRAKES
OFF
1
2
3
4
MAXAUTO
AUTOBRAKE A
A
BRAKESOURCE
L HYDSYSTEM
RETURN
ANTI-SKID
..
ALTNMETERINGVALVE
ALTNMETERINGVALVE
ALTNANTI-SKIDVALVE
ALTNSOURCESEL VALVE
ALTNANTI-SKIDVALVE
R HYDSYSTEM
ANTI-SKIDCONTROLLER
..
Alternate Brake System Schematic
Boeing 757 Southeast Flight SupportSFS
Reserve Brakes Schematic
RIGHT HYD SYSTEMELECTRIC PUMP
TO USINGCOMPONENTS
TO NORMALBRAKES
Boeing 757 Southeast Flight SupportSFS
M
RIGHTRESERVOIR
ON
RESERVEBRAKES
Engine Anti-Ice Schematic
VALVE
ON
VALVE
ON
L RWINGANTI-ICE
PNEUMATICMANIFOLD
HEATEDSLATS
TO RIGHT WINGANTI-ICE VALVE
ACCESSORY PANEL
OVERHEAD PANEL
WINGANTI-ICE
WING ANTI-ICEVALVE
AIR/GNDLOGIC
TIMER
Boeing 757 Southeast Flight SupportSFS
Engine Anti-Ice Schematic
LP
HP
NOTE: RIGHT ENGINE SIMILAR
BLEED AIRMANIFOLD
VALVE
ON
VALVE
ON
L RENGINEANTI-ICE
Boeing 757 Southeast Flight SupportSFS
ENGVALVE
SPARVALVE
FUELMEASURINGSYSTEM
ENGINEVALVE
AIR/GROUND SENSINGFLAP POSITION
ENG ANTI-ICE
SPAR VALVE
FUEL CONTROL R
RUN
CUT OFF
OIL
FUEL FEED
HP PUMP
LP PUMP
LP FUELFILTER
Engine Fuel System Schematic
ELECTRONICENGINECONTROL
2.2
FF
Boeing 757 Southeast Flight SupportSFS
FUELMETERINGUNIT
TRIMMOTOR
FUEL HEAT
...
R OIL FILTERR ENG OIL PRESS
70 70
90 90
20 20
Engine Oil System (PW Engine) Schematic
GEAR BOXBEARINGS
R ENGINEOIL PRESSOR
SCAVENGEPUMP
OILCOOLERS
OILFILTER
FUEL
MAIN
OILRESERVOIR
AIROIL PRESS
OIL TEMP
OIL OFF
Boeing 757 Southeast Flight SupportSFS