RUDDER PEDAL HOUSING (BELOW THE FLIGHT DECK)
B
FORWARD QUADRANT AND JACKSHAFT (BELOW THE FLIGHT DECK)
C
Rudder Pedals and Jackshaft Adjustment
Figure 505 (Sheet 2)
RIG PIN R1A
(CAPTAIN)
RIG PIN R1B
(FIRST OFFICER)
FWD
FWD
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A
757
MAINTENANCE MANUAL
R
CONTROL
LINKAGES 324CL L
SEE A
324BL PCA
YAW DAMPER POWER CONTROL
324AL SERVOS YAW DAMPER C ACTUATOR (3)
RUDDER SUMMING LEVER
RATIO CHANGER
AFT QUADRANT POSITION
TRANSMITTER
ROLLOUT YAW DAMPER
GUIDANCE POGO PRIMARY CONTROL
SERVOS ROD
YAW DAMPER RATIO CHANGER
SERVO (2) C POGO ROD (SECONDARY
INBOARD RATIO TO RUDDER L CONTROL ROD)
CHANGER INPUT RATIO CHANGER
ROD MECHANISM RUDDER RATIO
CHANGER
OUTBOARD RATIO SEE C
CHANGER INPUT
ROD RATIO CHANGER ACTUATOR
TRIM ACTUATOR
RUDDER
TRIM ACTUATOR RA FEEL, CENTERING, AND TRIM MECHANISM
RB SEE B
R
AUTOPILOT ROLLOUT
C
GUIDANCE SERVOS (3) HOLE R3 RIG PIN
L
FWD
CONTROL LINKAGES A
AFT QUADRANT
FWD TO AUTOPILOT ROLLOUT GUIDANCE SERVOS
FEEL, CENTERING, AND TRIM MECHANISM
B
Rudder Ratio Changer and Feel, Centering, and Trim Mechanisms
Figure 506 (Sheet 1)
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757
MAINTENANCE MANUAL
RATIO CHANGER POGO ROD
(SECONDARY CONTROL ROD)
TO YAW DAMPER SUMMING LEVEL
PRIMARY RIG PIN
CONTROL ROD HOLES R6
RATIO CHANGER ACTUATOR RATIO CHANGER OUTPUT CRANK
RIG PIN R9 (SHEAR PIN INSPECTION HOLE)
LVDT ADJUSTMENT RIG PIN
NUT (-2 LVDT) 1
HOLES R5
INTERCONNECT ROD
LVDT
RATIO CHANGER
MECHANISM
FWD OUTBOARD RATIO INBOARD RATIO
CHANGER INPUT ROD CHANGER INPUT ROD
TO FEEL, CENTERING, AND TRIM MECHANISM
RUDDER RATIO CHANGER MECHANISM
C
TO ADJUST THE LENGTH OF
THE -3 LVDT, TURN THE
BARREL OF THE LVDT.
Rudder Ratio Changer and Feel, Centering, and Trim Mechanism Figure 506 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
R
CONTROL
LINKAGES
324CL SEE A PCA
L324BL
YAW DAMPER SERVOS 324AL RUDDER
YAW DAMPER POWERRATIO CHANGER CONTROLMECHANISM
AFT QUADRANT C ACTUATOR
SEE B
(3) ROLLOUT GUIDANCE SERVOS
POSITION
OUTPUTS TRANSMITTERRUDDER THERMAL
TO PCAs
COMPENSATING LINKAGE
YAW DAMPER RATIO CHANGER YAW DAMPER POGO
SUMMING LEVER (SECONDARY POGO ROD C PRIMARY CONTROL ROD
A CONTROL ROD) L RATIO CHANGER POGO
YAW DAMPER ROD (SECONDARY
SERVO (2) CONTROL ROD)
RUDDER RATIO
A CHANGER
RATIO CHANGER ACTUATOR
YAW PRIMARY
DAMPER CONTROL TRIM ACTUATOR
SERVOS ROD
(2) INPUTS FROM AFT QUADRANT
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