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OUTPUT CONTROL ROD FOR THE LEFT AFT QUADRANT
INPUT CONTROL ROD
FOR THE LEFT PCA LEFT ELEVATOR POSITION INDICATOR
ELEVATOR PCA'S
SEE D
FWD
AFT QUADRANTS AND ELEVATOR PCA'S C
MIDDLE PCA  OUTPUT CONTROL ROD 
REAR SPAR STABILIZER  SEE  E  FOR THE PCA INPUT CONTROL ROD  FOR THE AFT QUADRANT 

TO AFT QUADRANTS
INPUT ELEVATOR POSITIONOUTBOARD MIDDLE CENTERING INBOARD POGO ROD CRANK
PCA PCA SPRING PCA (3 LOCATIONS) INDICATOR FWD
(2 LOCATIONS)
ELEVATOR SEE F
FRONT SPAR SEE G

INBD
ELEVATOR PCA'S (LEFT SIDE IS SHOWN, RIGHT SIDE IS OPPOSITE)
D
Elevator PCA Adjustment Figure 509 (Sheet 2)
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A
757
MAINTENANCE MANUAL

INPUT CRANK
INPUT CRANK SUPPORT
E/ST8 RIG PIN HOLE (LEFT ELEVATOR) E/ST9 RIG PIN HOLE (RIGHT ELEVATOR)
CONTROL ROD
PCA INPUT 
POGO ROD 
INPUT CRANK 
CONTROL 
ROD  CENTERING SPRING 
SEE  G  ROD END  INSPECTION 
PCA  SUPPORT CLIP  SUMMING  HOLE 
FWD  INPUT POGO ROD  LEVER  SEE  H 
SUMMING  SEE  F  INPUT POGO ROD 
LEVER 
INBD  MIDDLE PCA  F 

(LEFT SIDE IS SHOWN, RIGHT SIDE IS OPPOSITE)
E INPUT CRANK SUPPORT
E/ST8 RIG PIN HOLE (LEFT ELEVATOR) E/ST9 RIG PIN HOLE INSPECTIONINPUT
(RIGHT ELEVATOR) HOLEPOGO
ROD
3 CONTROL ROD
SAFETY
WASHER
INPUT CRANK
JAMNUT LOCKWIRERUBBER BAND OR CORD
2 TANGENT PCA CENTERING
POINT SPRING
INSPECTION HOLE
1
H
1  ALL THREE TANGENT POINTS MUST ALIGN BY
STRUCTURE BY LESS THAN 0.01 INCH (RIG PIN E/ST8 OR E/ST9 ARE INSTALLED AND BACKLASH IN THE INPUT CRANK REMOVED)
SUPPORT CLIP
2  TO REMOVE THE INPUT CRANK BACKLASH. REMOVE AFTER THE ADJUSTMENT
3  THE ROD END MUST EXTEND BEYOND THE
CENTERING SPRING  BOTTOM OF THE INSPECTION HOLE. LOCKWIRE
OR A 0.045 INCH DIAMETER ROD MUST NOT
G  PASS THROUGH THE HOLE
Elevator PCA Adjustment Figure 509 (Sheet 3)
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A

757
MAINTENANCE MANUAL

SEE  B  SEE  A  311AL ACCESS DOOR, SERVICE 
FWD  A ACCESS PANEL, 313AL 
CENTER SYSTEM PRESSURE REDUCING VALVE 

ELEVATOR PRESSURE 
RIGHT SYSTEM PRESSURE REDUCING VALVE  REDUCER BYPASS VALVE  PRESSURE REDUCING VALVE LEFT SYSTEM  PRESSURE TEE IN GAGE 
B 

Elevator Pressure Reducer Valves and Bypass Valve
Figure 509A

E43278
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A

757 MAINTENANCE MANUAL
REF HI

PAV
REF LO

SIG
SIG
GND
10,000 OHM HI
LO
RESISTOR CONNECTOR
1 537

NEUTRAL SHIFT 2

TRANSDUCER
A27063-27 CABLE ASSY

HI

 

LO
A27063-2 BREAKOUT BOX
METHOD 1
REF HI
REF LO

SIG SIG
GND HI
LO
AIRPLANE

CONNECTOR CONNECTOR

537
NEUTRAL
SHIFT
TRANSDUCER

12

A27063-26
A27063-27
CABLE ASSY CABLE ASSY

A27063-2 BREAKOUT BOX
METHOD 2
LEGEND
DVM - DIGITAL VOLTMETER PAV - DIGITAL PHASE ANGLE VOLTMETER RATIOMETRIC PAV - RATIOMETRIC DIGITAL PHASE ANGLE VOLTMETER
Equipment Connections For Elevator Neutral Shift Transducer Adjustment
　
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