LLFOKhurramNaseemSFSBoeing737-300/400/500SoutheastFlightSupport
BleedAirSystemSchematic
LRECIRCFANRRECIRCFAN
601
OFFAUTO
40
60
OFFAUTO
20R80PSI10020
00
RR
PSI
8080100
OVHT
TEST
RPACKVALVECLOSELPACK
OFFAUTOHIGH
ISOLATIONOFFAUTOAUTOHIGH
CONDITION:ENGINESOPERATING&SUPPLYINGAIR
WINGANTIICE
PACKTRIPOFFWING-BODYOVERHEATBLEEDTRIPOFF
OPENTRIP
PACKTRIPOFFWING-BODYOVERHEATBLEEDTRIPOFF
WINGANTIICE
CONDITIONINGPACKS
OFF
RESET
OFF
APU1
737-400BLEEDAIR
TOASPTATPROBE
TURBOFANVALVE
ONON12BLEED
TOPACKVALVE
EXTERNALTOTURBOFAN
TOWINGTIA
DUCTPRESSURETRANSMITTER
WINGTAIVALVE
FROMRIGHTENGINEISOLATIONVALVE
TOHYDRESERVEAIRCONNECTIONTOHYD
RESERVE
STARTERSTARTERVALVE
BLEEDAIRDUCT5thSTAGE
SAPUBLEED9thSTAGE
COWLTAI
HIGHSTAGEVALVE
ENGINEBLEEDAIRVALVE
BLEEDTRIPSENSORS
AIRVALVE
LLFOKhurramNaseem
Wing-BodyOverheatDucts&Lights
5
6
7
8
3
4
2
1
LRECIRCFANRRECIRCFAN
1
OFFAUTO
40
60
OFFAUTO
RRECIRCFANOFFAUTO
20
RR
80
OVHT
PSI
0
100
TEST
RPACKVALVECLOSELPACK
OFFAUTOHIGH
ISOLATIONOFFAUTOAUTOHIGH
WING-BODYOVERHEAT
WINGANTIICE
PACKTRIPOFFWING-BODYOVERHEATBLEEDTRIPOFF
OPENTRIP
PACKTRIPOFFWING-BODYOVERHEATBLEEDTRIPOFF
WINGANTIICE
WING-BODYOVERHEAT
RESET
OFFON
OFFON
APULEFTLIGHTSENSORSLOCATED:1.LEFTENGINESTRUT.2.LEFTINBOARDWINGLEADINGEDGE.3.LEFT-HANDAIR
12BLEED
RIGHYLIGHTSENSORSLOCATED:6.RIGHTENGINESTRUT.7.RIGHTINBOARDWINGLEADINGEDGE.8.RIGHT-HANDAIR
CONDITIONINGBAY4.KEELBEAM
1
737-400
CONDITIONINGBAY
5.BLEEDDUCTFROMAPU.
FOKhurramNaseem
AirConditioningPackSchematic
.AUTO
COOLWARMCOOLWARMMANUAL
PASSCABIN
TOMIXMANIFOLD
MIXING
CHAMBERRPACKOFFAUTO
HIGH
WATERSEPARATOR
RAMAIR
PACKTRIPOFFWING-BODYOVERHEAT
WINGANTIICE
...
..AUTOTEMPCONTROLLER
AIRCYCLEMACHINE
HOTAIRMIXVALVE
COLDAIRMIXVALVE
BLEEDAIRPACKVALVE
RIGHT
BLEEDAIR
CONDITIONEDAIRCOLDAIRBLEEDAIRHEATEXCHANGERCOOLEDAIR
LCOLHOHOCOTTFOKhurramNaseem
AirConditioningDistributionSchematic
CONTCABINAIRTEMPPASSCABIN
SUPPLY
PASS
D
AIRMIXVALVE
DUCT
CABIN
D
AIRMIXVALVE
40TEMPOVERHEATDUCTDRIVESMIXVALVESFULLCOLD6080DUCT20100OVERHEAT0
OFF
RPACK
TORIGHTPACK
AUTOHIGH
VALVE
PACKTRIPOFFWING-BODYOVERHEAT
WINGANTIICE
.
.
TORIGHTSIDEWALL
..LEFTPACK.TRIPOFF
OVERHEAT
RECIRCFAN
LEFTDUCT.
FILTERLEFTSIDEWALLRISER
.
MIXEDMANIFOLD
RISER
RIGHTPACKTRIPOFFRIGHTDUCTOVERHEAT
.
..
FROMLEFTPACKFROMRIGHTPACKGROUNDPRECONDITIONEDAIRSUPPLY
CONDITION:INFLIGHTPACKSONCONDITIONEDAIR
FOKhurramNaseem
AirConditioningPackSchematic
......CONTCABFWDCABAFTCABAUTOAUTOAUTO
......
TOMIXMANIFOLD
CWCW0FF0FF.
CW0FF
LELECTRONICCONTROLLERLPRIMARYPACKCONTROLLRAMAIRCONTROLRSTBYPACKCONTROL
RELECTRONICCONTROLLERLPRIMARYPACKCONTROLRRAMAIRCONTROLLSTBYPACKCONTROL
PACKTEMPCONT
.
WATERSEPARATOR
RAMAIR
STBY
VALVE
.
AIRCYCLEMACHINE
PACKTEMPCONTVALVERPACKOFF
AUTOHIGH
TOTRIMAIRSYSTEM
PACKWING-BODYOVERHEAT
LEFTBLEEDAIR
WINGANTIICE
.
BLEEDAIR
PACKVALVECONDITIONEDAIR
RIGHTBLEEDAIR
COLDAIRBLEEDAIRHEATEXCHANGERCOOLEDAIR
TEMPZONETEMPZONEFOKhurramNaseem
AirConditioningDistributionSchematic
TRIMAIROFFONZONETEMPCONTCABFWDCABAFTCAB
.
..
LELECTRONICCONTROLLERAFTCABZONETEMPCONTROLBACK-UPFLIGHTDECKZONETEMPCONTROL
ELECTRICFANS
TRIMAIRMODULATINGVALVES
RELECTRONICCONTROLLERFWDCABZONETEMPCONTROLPRIMARYFLIGHTDECKZONRTEMPCONTROL
MIXEDMANIFOLD
TRIMAIRPRESSURE
LPACK
CONDITION:INFLIGHTPACKSONCONDITIONEDAIRBLEEDAIR
GROUNDPRECONDITIONEDAIR
RPACK
REGULATOR&SHUTOFFVALVE
FOKhurramNaseem
CabinPressureControlSystemSchematic
CONDITIONEDAIRFROMOVERHEADANDSIDEWALLOUTLETS
AUTOTRANSFERTOSTBY
FAILOFFSCHEDAUTO
DESENTSTANDBY
ADC
MANUAL
STATICPORTS
CABINSENSEPORT
CAPTF/O
AIRPLANEALTIMETERSBAROSET
RECIRCFAN
737-400
OFFAUTO
FLT
GRD
RRECIRCFANOFFAUTO
FORWARDOUTFLOWSENSOR
AIR/GROUND
DCAC
NEGATIVEPRESSURERELIEF
SAFTYSENSOR
MAINOUTFLOW
VALVE
PRESSURERELIEFAT8.65PSICONDITION:INFLIGHTNORMALOPERATION
FOKhurramNaseem
Anti-IceComponentsSchematic
ELEVATORPITOTPROBES(2PLACES)
FLIGHTDECKWINDOWSWINDOWHEATWINDSHIELDWIPERSRAINREPELENT
...
ANGLEAIRFLOWSENSOR(2PLACES)
TEMPERATUREPROBE
PITOTSTATICPROBE(4PLACES)
ENGINECOWLLIPLEADINGEDGESLATS
FOKhurramNaseem
EngineAnti-IceSystemSchematic
ANTI-ICECOWLENGINECOWLANTI-ICE(TAI)
COWL
ANTI-ICE
OPENCOWLVALVE.
COWLANTI-ICEVALVE
5TH
9TH
.
HIGHSTAGEVALVE
BLEEDAIR
ENGINEBLEEDVALVE
COWLVALVEOPENENGANTI-ICEOFFON12
TOPNEUMATICSYSTEM
OPENRVALVEFOKhurramNaseem
WingAnti-IceSystemSchematic
LVALVEOPENWINGANTI-ICEOFFON
THRUST
ABOVET.O.WARNING
HIGH
BELOWT.O.WARNING
THERMALSWITCHGROUND
TEMP
AIR
LOWTEMPRIGHTMAINLANDINGGEAR
PNEUMATICMANIFOLD
LEADINGEDGESLATS
WINGANTI-ICECONTROLVALVE
....
WINGDISTRIBUTIONDUCTTELESCOPINGDUCT
CONDITION:ONTHEGROUNDWINGANTI-ICEONENGINESATIDLETHRUSTDUCTTEMPLOW
BLEEDAIR
FOKhurramNaseem
ElectricalPowerSchematic
GRDPOWER
STANDBY
AVAILABLE
LOWOILPRESSUREHIGHOILTEMP
PWROFFSTANDBYPOWER
LOWOILPRESSUREHIGHOILPRESSURE
50
100AC
150
GRDPWROFF
50
100AC
150
DISCONECTDISCONECT
0
AMPERES
0
AMPERES
GENERATORDRIVE&STANDBYPOWERPANEL
10RISE20
BATOFFAUTODRIVETEMPRISE
INDRIVECANBERECONNECTED
10RISE20
TRANSFERBUSOFFBUSOFFGENOFFBUS
OFF
ONBUSTRANS
APUGENOFFBUS
AUTO
TRANSFERBUSOFFBUSOFFGENOFFBUS
BUSSWITCHING
080IN12040
160
30
ONLYONGRD
080IN12040
160
30
OFF
OFF
GENDRIVEOILTEMP
GENDRIVEOILTEMP
ON
ON
C
C
GEN1APUGENGEN2
EXTERNALACBUS
..
GENGENDRIVE1
GENAPU.
GENGEN2DRIVE
RELAYGNDSERVICE
GENERATORBUS1
NORMAL
ALTERNATEALTERNATETRANSFERTRANSFERRELAY1RELAY2
GENERATORBUS2
NORMAL
MAINBUS1115vACTRANSFER115vACGNDSERVICEBUS
115vACGND
BUS1
115vACTRANSFERBUS2
115vACMAINBUS2
TR3
TR1RELAY...DISCONNECTTR2
DCBUS1DCBUS2
TR3
.
ACSTANDBYBUSDCSTANDBYBUS
INW
BATTERYBUS
..CONDITION:INFLIGHTBATTERYSWITCHONSTANDBYPOWERSWITCHAUTOBUSTRANSFERSWITCHAUTO
APUSTARTBATTCHGR
HOTBATTERYBUS
.
BATTERY
SWITCHEDHOTBATBUSEXTERNALDCRECEPTACLE
ENGINEGENERATORCONNECTEDTORESPECTIVEBUS
FOKhurramNaseem
ACPowerSchematic
GRDPOWERAVAILABLE
EXTERNALACBUS
GRDPWROFF
ON
DRIVE1GENAPUOFF
ONGROUNDSERVICE
GENGEN.OFF
ONGEN1APUGENAPU
GENGEN2DRIVE
OFF
ONGEN2
GNDSERVICEALTERNATEALTERNATENORMALRELAY1TRANSFERRELAY1RELAY
GENERATORBUS1GENERATORBUS2
NORMALTRANSFER
BUS1115vACTRANSFER115vACGNDSERVICEBUS
115vACMAINBUS1
115vACTRANSFER
BUS2
115vACMAINBUS2
CONDITION:INFLIGHTBATTERYSWITCHONSTANDBYPOWERSWITCHAUTOBUSTRANSFERSWITCHAUTOENGINEGENERATORCONNECTEDTORESPECTIVEBUS
FOKhurramNaseem
ElectricalPowerControls&MonitoringSchematic2
0
120
LOWOILPRESSURE
50DOAMPS
50
1000
VOLTS30130
HIGHOILTEMP
DISCONNECTDRIVETEMPRISE
0
20DCVOLTS40
1000
120
VOLTS30130
.
INDRIVECANBE
RECONNECTEDONLYONGRD10RISE20
TR1
APUGEN
080IN12040
160
30
BATBATBUSSTBYPWR
TR2TR3TEST
GEN1GRDPWRSTBYPWR
GEN2INVTEST
FANAIR
...
GENDRIVEOILTEMPC
.
GENGEN2DRIVE
..VOLTREG
TRANSFERBUSOFFBUSOFF
50
100
150
GENOFFBUS
FROMGENERATOR1
.
0
ACAMPERES
OFF
ON
GEN2
GENERATORBUS1GENERATORBUS2BUSTRANS
115vACTRANSFERBUS1
OFF
AUTO
115vACTRANSFERBUS2
TR2
DCBUS2
FOKhurramNaseem
DCPowerSystemSchematic
BUSTRANSA
OF
UT
115vAC
F
O
115vAC
GROUNDSERVICEBUS
115vACTRANSFERBUS1
115vACTRANSFERBUS2
MAINBUS2
RELAY..BATTCHGR
TR1TR2TR3TR3DISCONNECT.
DCBUS1DCBUS2
BATTERYBUS
BATTERYBUSCONTROL
NORMAL
.
BATTERYOFFAUTOSTANDBYPOWERSWITCH
ALTERNATE
.
OFF
TOAPUSTARTER
HOTBATTERYBUS...
SWITCHEDHOTBATBUSEXTERNALDCRECEPTACLE
ON
BATTERYSWITCH
BATTERY
CONDITION:INFLIGHTBATTERYSWITCHONSTANDBYPOWERSWITCHAUTOBUSTRANSFERSWITCHAUTOGENERATORBUSSESPOWERED
FOKhurramNaseem
StandbyPowerSystemSchematic
TRANSFERBUSNO.1OFFBAT
ON
T
R
1
STANDBYPOWERDCBUSNO.1
BATOFF
AUTO
DCSTANDBYBUS
CONDITION:INFLIGHTORONTHEGROUND
BATTERYSWITCHONSTANDBYPOWERSWITCHAUTOGENERATORBUSSESPOWERED
ACSTANDBYBUS
OFFDATON
DCSTANDBYBUS
BATTERYBUS
STANDBYPOWER
ACSTANDBYBUS
INV
HOTBATTERYBUS
BATOFFCONDITION:INFLIGHT
AUTO
BATTERY
BATTERYSWITCHONSTANDBYPOWERSWITCHAUTOGENERATORBUSSESPOWERED
OFFOFF
BAT
OR
BAT
DCSTANDBYBUS
BATTERYBUS
ONON
ACSTANDBYBUSSTANDBYPOWER
AUTOBATOFF
CONDITION:INFLIGHTORONTHEGROUNDBATTERYSWITCHONorOFFSTANDBYPOWERSWITCHBATGENERATORBUSSESPOWEREDORNOTPOWERED
INV
HOTBATTERYBUS
BATTERY
FOKhurramNaseem
PowerPlantSchematic
FANAIR
5THSTAGEBLEEDAIR
9THSTAGE
BOOSTERS
BLEEDAIR
FAN
COMBUSTER
TURBINES
ACCESSORIES
THRUSTREVERSER
OILPUMPFUELPUMPSGENERATOR
COMPRESSOR
ENGINEFUELSYSTEM
ENGINEIDLECONTROL
GENERATORDRIVE
STARTERTACHOMETERHYDRAULICPUMP
AIRDRIVENSTARTER
POWERMANAGEMENTCONTROL
FLTDECK
CONTROLS&INDICATORSENGINESTART&IGNITIONSYSTEM
FROMPNEUMATICSYSTEM
FROMFUELSYSTEM
FROMENGINEINDICATINGSYSTEM
FROMELECTRICALSYSTEM
FOKhurramNaseem
EngineFuel&OilSystemSchematic
TOBEARINGS&GEARBOX
LOWOILPRESSURE
OILRETURN
SCAVENGERPUMPSMECFUELSHUTOFFVALVE
COMBUSTORFUELFLOWTRANSMITTERFUELFLOW
IDLECONTROL
OILPRESS
OILFILTER
MECPMCSCAVENGER
OILFILTERBYPASS
C
FILTER
FUELFILLTER
OILQUANT
OILPUMP
OILQUANT
FUELFILLTER
C
FILTERBYPASS
FUELOIL
FUELHEATER
FUELVALVECLOSED
FUEL/OILHEATEXCHANGE
FIRSTSTAGEFUELPUMP
ENGINEFUELSHUTOFFVALVE
OILTANK
FROMFUELTANK
FOKhurramNaseem
ThrustReverserSchematic
DETENTNO.2
MAXIMUMRESERSETHRUST
DETENTNO.1
FORWARD
STOWED
THRUSTLEVER
REVERSETHRUST(STOWED)REVERSEDTHRUST(DEPLOYED)
SYSTEMSTANDBYSYSTEMASYSTEMB
ENGINE2SYSTEMBHYDRAULICPRESSURE
SYSTEMSTANDBYSYSTEMASYSTEMB
ENGINE2SYSTEMBHYDRAULICPRESSURE
CONTROLVALVE(STOW)
ACTUATOR
CONTROLVALVE(DEPLOY)
ACTUATOR
DEPLOY
STORED&LOCKED
ISOLATEDVALVE(CLOSED)
ISOLATEDVALVE(OPEN)
TRANSLATINGSLEEVETRANSLATINGSLEEVEBLOCKERDOORFANFLOWFANFLOW
CASCADEVANESCASCADEVANES
FOKhurramNaseem
EngineFireExtinguisherSchematic
DISCHLR
DISCHLR
12
LEFTBOTTLEDISCHARGE
LEFTFIREBOTTLE
SQUIB
RIGHTBOTTLEDISCHARGE
RIGHTFIREBOTTLE
FOKhurramNaseem
FlightControlSurfacesLocation
FLIGHTSPOILERS
GROUND
FLAPS
SPOILERS
RUDDER
SLATS
TRAILINGEDGEFLAPS
AILERONS
STABILIZER
ELEVATOR
FOKhurramNaseem
RollControlSchematic
.
AILERONTRIM
AILERON
AILERONTRANSFERMECHANISM
.
FEEL&CRNTERINGUNIT
SPOILERMIXER
FLIGHTSPOILERS
AILERON
23
6
7
.
.....SPOILERAB
OFFOFFONON
.
FOKhurramNaseem
PitchControlSchematic
MATCHTRIMFAIL
SPEEDTRIMFAIL
AIRDATACOMPUTER
LEFTPITOTPROBE
FLIGHTCONTROLCOMPUTER
ELEVATORFEEL
RIGHTPITOTPROBE
A
STABILIZERPOSITION
COMPUTER
FEELDIFFPRESS
MACHTRIMACTUATORELEVATORFEEL&CENTERINGUNIT
...
STABILIZERTRIM
.
..
B
FOKhurramNaseem
SpeedBrakesSchematic
45
0
12
.
3
6
.
7
8
9
..SPOILERAB
A
GROUNDSPOILERCONTROLVALVE
OFFON
OFFON
SPOILERMIXER
B
GROUNDSPOILERBYPASSVALVE
SPEEDBRAKE
SPEEDBRAKEDONOTARMSPEEDBRAKEARM
ARMED
FLIGHTDETENT
UP
RIGHTMAINLANDINGGEAR
FLIGHTSPOILERS:2,3,6,7GROUNDSPOILERS:0,1,4,5,8,9
SPEEDBRAKELEVER
LFOKhurramNaseem
LeadingEdgeDevices&TrailingEdgeFlapsSchematic
23121
SLATS
FLAPSFLAPS34
4
SLATS5
6
AUTOSLATCONTROL
FROMSYSBRESERVOIR
PTU
STBYRES
LECONTROL
SYSASYSB
ALTERNATEFLAPS
M
.
.
TEFLAPCONTROL
OFF
UP
TE
OFF
M
DRIVEUNIT
TEFLAP
ARM
DOWN
.
BYPASSVALVE
AIRDATACOMPUTER
.
TEFLAPS
1
UP
25
1015
.
FLAPS
4O
30
25
FLAPLOADRELIEF
LRCOMPARATORSWITCH
FOKhurramNaseem
Pilot-StaticSystemSchematic
ELECTRICALTIMETER
ELECTRICALTIMETER
INERTIALVERTICLESPEED
STANDBYPNEUMATICAIRSPEEDALTIMETER
ELECTRICMACHAIRSPEED
ELECTRICMACHAIRSPEED
INERTIALVERTICLESPEED
AIRDATACOMPUTERNO.1
AIRDATACOMPUTERNO.2
CAPTPITOT
F/OPITOTCAPTSTATIC
NO.1AUXSTATIC
NO.2AUXPITOT
PRESSURIZATIONCONTROLPITOTCAPT&F/OSTATICNO.1&NO.2AUXSTATICALTERNATESTATIC
ALTERNATESTATIC
F/OSTATIC
NO.2AUXSTATIC
PRESSURIZATIONCONTROL
CABINALTIMETERANDDIFFERENTIALPRESSURE
NO.1AUXPITOT
FOKhurramNaseem
FuelSchematic
20FUEL+20FUELVALVECLOSED
FILTERBYPASS
40
0TEMP
CCVALVEOPEN
+40
FUELVALVECLOSED
FILTERBYPASS
CROSSFEED
LOWLOWPRESSUREPRESSUREFUELPUMPSLR
CTR
LOWLOWPRESSUREPRESSURE
LOWLOWPRESSUREPRESSURE
AFTFWDFWDAFTOFFOFF
FUELONPUMPSON
ENGINEDRIVENFUELPUMP
1
2
ENGINEFUELSHUTOFFVALVEMANUALDEFUELINGVALVEOFUELSCAVENGESHUTOFFVALVEFUELINGSTATION
BYPASS
VALVE
NO.2
NO.1TANK
CENTERTANK
TANK
.
APU
APUFUELSHUTOFFVALVETOAPU
CENTERTANKSCAVENGEJETPUMP
BYPASSVALVE
FOKhurramNaseem
EngineStart&IgnitionSystemSchematic
BATTERYBUS
AIRDRIVENSTARTER
STARTVALVEOPEN
ENGINE
OFFGDR
FLTCONT
M
STARTVALVE
BLEEDAIRVALVE
SWITCHSWITCHHOLDINGRELAY
HIGHN2
LOWN2
STARTERCUTOUT
FROMPNEUMATICSYSTEM
COMBUSTOR
ENGINESTART
OFF
BOTH
GRDCONT
FLT
IGNR
IGNL
IDLE
CUTOFF
MEC
FROM
OFFFLTOFFFLTBOTHACTRANSFERBUS
ACSTANDBYBUS
GDRCONT
GDR
CONT
IGNL
IGNR
BOTHIGNR
FUELSYSTEM
LEFTIGNITER
Z
Z
RIGHTIGNITER
CONDITION:ENGINEBEINGSTARTEDN2ROTATIONBELOWSTARTERCUTOUTSPEED
BLEEDAIRFUEL
FOKhurramNaseem
YawControlSchematic(afterRSEPmodification)
YAWDAMPER
.....
RUDDERTRIM
RUDDERFEEL&CENTERINGUNIT
.
YAWDAMPERCOUPLER
CONTROLVALVERPL
YAWDAMPER
OFFON
RUDDER
B
YAWDAMPER
RUDDERPCU
A
RPR
.
FFM
STANDBYHYDAOTO-ONLOGIC
CONTROLVALVE
STANDBYHYDPUMP
.STANDBYRUDDERPCUSTANDBYSTANDBYRUDDERSHUTOFFVALVE
FOKhurramNaseem
StandbyHydraulicSystem(beforeRSEPmodification)
and(afterRSEPmodification)
FLTCONTROLAB
.
STANDBYHYD
.
STBYRUDOFFAON
STBYRUDOFFBON
LOWQUANTITYLOWPRESSUREALTERNATEFLAPS
LOW
LOW
OFF
UP
TRAILINGEDGEFLAPBYPASS
B
PRESSUREPRESSURE
ARM
DOWN
OFF
VALVE
TRAILINGEDGEDRIVEUNIT
mn
FROMSYSTEMBRESERVOIR
STBYRES
M
.
TOTHRUSTRESERSERS
STANDBYRUDDERSHUTOFFVALVE
TOEXTENDL.E.DEVICES
FLIGHTCONTROLSHUTOFFVALVEA
RUDDER
ELEVATOR&ELEVATORFEELCOMPUTER
AILERON
FLIGHTCONTROLSHUTOFFVALVE
B
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