* SEE WDM EQUIPMENT LIST
Ailerons - Component Index
Figure 101 (Sheet 2)
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A
747-400 FAULT ISOLATION/MAINT MANUAL
FLIGHT CONTROLS HYDRAULIC POWER MODULE, M191
P7 PANEL SEE C
CONTROL
WHEELS (REF) P6 PANEL
AILERON/RUDDER TRIM
CONTROL MODULE, M7312 (REF)
SEE A
AILERON DRUM ASSEMBLIES
SEE D
SHT 2 ELECTRICAL SYSTEMS CARD FILE, M7603 (REF)
SEE B
AILERON/SPOILER SURFACE POSITION DIGITIZER (SPD) YMLA17
RUDDER TRIM 105 0 510
NOSE LEFT UNITS NOSE RIGHT
AILERON
L, R STABILIZER TRIM/
RUDDER RATIO MODULES, NOSE NOSE
M3136, M3137 (REF)
LEFT
RIGHT R
AILERON TRIM
U LEFT
RIGHT
D
WING
ARMING WING
D DOWN
E
SWITCH, (S1) DOWN
R
AILERON TRIM
CONTROL
SWITCH, (S2)
AILERON/RUDDER TRIM CONTROL MODULE, M7312 (REF)
A
FLT CONTROL HYD POWER
12 34
NORM
TAIL
SHUT OFF
VALVE
VALVE VALVE VALVE CLOSEDa
CLOSEDa CLOSEDa CLOSEDa
NORM
WING
SHUT OFF
VALVE VALVE VALVE VALVE CLOSEDa CLOSEDa CLOSEDa CLOSEDa
FLIGHT CONTROLS ELECTRICAL SYSTEMS CARD FILE, M7603 (REF)
HYDRAULIC POWER MODULE, M191
BC
Ailerons - Component Location
Figure 102 (Sheet 1)
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747-400 FAULT ISOLATION/MAINT MANUAL
ACCESS PANEL, 211
WING GEAR
WHEEL WELL
SEE E
CAPTAIN'S
DRUM ASSEMBLY AILERON CONTROL
LOAD LIMITER
FWD
AILERON DRUM ASSEMBLIES
FIRST OFFICER'S
D FROM SHT 1 DRUM ASSEMBLY
PASS CABIN
SPOILER FORWARD CEILING
DIFFERENTIAL ACCESS
MECHANISMS PANEL, 212
(REF)
RIGHT CENTRAL LATERAL
CONTROL PACKAGE
(RIGHT AUTOPILOT) 1
AILERON TRIM SEE H SHT 3
AND FEEL
MECHANISM SPEED BRAKE
SEE F SEQUENCE
MECHANISM
SHT 3 (REF)
LEFT CENTRAL LATERAL
CONTROL PACKAGE
SERVO, B7085 LATERAL AUTOPILOT (LEFT AUTOPILOT) 2
(REF) CLC INPUT
QUADRANT
LEFT OR RIGHT
AILERON PROGRAMMER AILERON
SEE G SHT 3 FORCE LIMITER
WING GEAR WHEEL WELL FWD
1 INSTALLED IN THE LEFT WHEEL WELL
E
2 INSTALLED IN THE RIGHT WHEEL WELL
Ailerons - Component Location
Figure 102 (Sheet 2)
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747-400 FAULT ISOLATION/MAINT MANUAL
CENTERING AND FEEL SPRINGS
ROD FROM SPOILER DIFFERENTIAL MECHANISM (REF)
OUTPUT ROD TO CENTRAL LATERAL CONTROL PACKAGE
AILERON TRIM ACTUATOR, M254
INPUT
TRIM AND FEEL ROD (REF)MECHANISM QUADRANT
AILERON TRIM AND FEEL MECHANISM
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