WING REAR SPAR
(REF)
WING STRUCTURE
(REF)
SPOILER POSITION
FWD INBD (SPOILERS NO. 4 TRANSMITTER
AND 12 ONLY) FWD INBD
INBOARD FLIGHT SPOILER
AND GROUND SPOILER OUTBOARD FLIGHT SPOILER
A B
Spoiler And Drag Devices - Component Location
Figure 102 (Sheet 1)
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A
747-400
FAULT ISOLATION/MAINT MANUAL
INBOARD FLIGHT OUTBOARD FLIGHT SPOILER CONTROL SPOILER CONTROL PACKAGE PACKAGE
SEE E SHT 3 SEE D
ACCESS PANEL, 581MB, 681MBACCESS PANEL,
ACCESS
GROUND SPOILER 581JB,
PANEL,
CONTROL PACKAGE
ACCESS 681JB
581GB,
PANEL,
ACCESS
SEE C
681GB
572FB,
PANEL,
672FB
572CB,
672CB
GROUND SPOILER LEFT WING SHOWN
CONTROL PACKAGE
(RIGHT WING OPPOSITE)
THERMAL RELIEF VALVE
HYDRAULIC LINE-UP 1 (REFERENCE)
HYDRAULIC LINE-UP 2 (REFERENCE)
HYDRAULIC LINE-RETURN (REFERENCE)
FILTER
THERMAL RELIEF
HYDRAULIC VALVE
LINE-PRESSURE
(REFERENCE)
WING
STRUCTUREGROUND (REFERENCE)
INBOARD FLIGHT SPOILER
GROUND SPOILER
SPOILER CONTROL
CONTROL PACKAGE
PACKAGE
C
RATIO CHANGER ACTUATOR
INPUT QUADRANT
INBD FWD
INBOARD FLIGHT SPOILER CONTROL PACKAGE (NO. 5 SHOWN, NO. 8 EQUIVALENT)
D
Spoiler And Drag Devices - Component Location
Figure 102 (Sheet 2)
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747-400 FAULT ISOLATION/MAINT MANUAL
P180 PANEL FLT CONT HYD SHUTOFF MODULE M191 (REF)
P7 PANEL
P6 PANEL
SPEED BRAKE
NOSE GEAR
CONTROL
WHEEL WELL
LEVER
(REF)
SEE F
MAIN EQUIP CTR
OUTBOARD FLIGHT SPEED BRAKESPOILER
THERMAL MECHANISM SPOILER
RELIEF
FILTER CONTROL
SEE G SHT 4
VALVE
CAP PACKAGE
CAP FLT COMPT
SPEED BRAKE CONTROL LEVER
CONTROL STAND
WING (REF)
REAR SPAR (REF)
SPOILER
INPUT
HYDRAULIC
QUADRANT
LINES (REF)
FWD INBD
REVERSE THRUST LEVER
OUTBOARD FLIGHT SPOILER OPERATED AUTO SPEED BRAKE ARMING SWITCH S861
CONTROL PACKAGE F
E FROM SHT 2
Spoiler And Drag Devices - Component Location
Figure 102 (Sheet 3)
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747-400 FAULT ISOLATION/MAINT MANUAL
SPEED BRAKE MECHANISM
CAPTAIN'S CONTROL WHEEL (REF)
AUTO SPEED BRAKE ACTUATOR
L AND R WING GEAR WHEEL WELL
SPEED BRAKE CONTROL SEE H CABLE SBA
LEVER LOCK SPEED BRAKE MECHANISM OPERATED (REF)
AUTO SPEED BRAKE ARMING SWITCH, CABLE SBB (REF)
S217
CABLE AA (REF)
SPEED BRAKE MECHANISM CABLE AB (REF) G FROM SHT 3
LEFT SPOILER SPOILER AND DRAG DEVICE DIFFERENTIAL
CABLE ROUTING
MECHANISM
WHEEL WELL CENTER BULKHEAD (REF)
LEFT SPOILER RIGHT SPOILER
DIFFERENTIAL DIFFERENTIAL
MECHANISM MECHANISM
QUADRANT
RIGHT SPOILER LEFT CENTRAL
DIFFERENTIAL LATERAL CONTROL
MECHANISM PACKAGE
QUADRANT (REF)
SPEED BRAKE SEQUENCE RIGHT CENTRALMECHANISM LATERAL CONTROLQUADRANT PACKAGE (REF)
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