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A
747-400
MAINTENANCE MANUAL
SEE A 1 1 2 FLT CONTROL HYD POWER NORM 3 4
TAIL OFF SHUT
CLOSED a VALVE VALVE aCLOSED CLOSED a VALVE aCLOSED VALVE
1
NORM
OFF SHUT WING
aCLOSED VALVE CLOSED a VALVE VALVE CLOSED a CLOSED a VALVE
FLIGHT COMPARTMENT
POWER MODULE FLT CONTROL HYD
A
F/O ELEVATOR
FORWARD
QUADRANT
SEE D
SEE E
CONTROL
COLUMN E2A
SEE B
E2B
TORQUE
TUBE CAPT ELEVATOR
FORWARD QUADRANT E1B
SEE C E1A
1 ON SOME AIRPLANES THE NORM POSITION IS DOWN AND THE SHUT OFF POSITION IS UP.
Elevator Control System Component Location Figure 2 (Sheet 1)
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MAINTENANCE MANUAL
FIRST OFFICER'S
CONTROL COLUMN
RIGHT STICK
SHAKER
CAPTAIN'S CONTROL COLUMN
TORQUE TUBE
LEFT STICK SHAKER
CONTROL COLUMM
CONTROL COLUMN
B
TORQUE TUBE
RIGGING PIN E-1
E2A
E1B
E2B
CAPT
F/O ELEVATOR
ELEVATOR
FORWARD
FORWARD
QUADRANT
QUADRANT
FWD TENSION REGULATOR
E1A
FWD
CAPT ELEVATOR FORWARD QUADRANT F/O ELEVATOR FORWARD QUADRANT
C D
Elevator Control System Component Location
Figure 2 (Sheet 2)
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E2A
E2B
E1B
ELEVATOR
E1A
FEEL UNIT
ELEVATOR AUTOPILOT SERVO MODULE (3 PLACES)
ELEVATOR
FEEL COMPUTER
ELEVATOR AFT QUADRANTELEVATOR FEELFWD ACTUATOR
INBOARD ELEVATOR AFT TORQUE TUBE
POWER CONTROL
PACKAGE
RIGGING PIN E-2
SLAVE LINKAGE
LEFT INBOARD ELEVATOR
LEFT OUTBOARD ELEVATOR
OUTBOARD ELEVATOR
POWER CONTROL
PACKAGE
ELEVATOR CONTROLS
E
Elevator Control System Component Location Figure 2 (Sheet 3)
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MAINTENANCE MANUAL
SEE A SEE B STRUCTURE INSPECTION (TYPICAL 7 PLACES) PANEL IN LOWER SKIN
INBOARD HOIST POINTS
HINGE FITTING (TYPICAL 4 PLACES)
ACTUATOR ATTACHMENT AND REACTION HINGE FITTING INBOARD HOIST POINTS INBOARD ELEVATOR (LH SHOWN; RH OPPOSITE) A OUTBOARD HOIST POINTS
STRUCTURE INSPECTION PANEL IN LOWER SKIN (TYPICAL 11 PLACES)
ADJUSTABLE WEIGHTS (TYPICAL, OUTBOARD HOIST POINTS3 INBOARD ACTUATOR
BALANCE ATTACHMENT
WEIGHT AND REACTION
INSTALLATIONS)
HINGE
FITTING BALANCE WEIGHT
(6 PLACES)
OUTBOARD ELEVATOR HINGE FITTING
(LH SHOWN; RH OPPOSITE)
(TYPICAL 6 PLACES)
B
Elevators - Mechanism Components Figure 3
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