(c)
After heading track control is generated, the delta heading command from the A/P turn direction control generates the heading proportional command and roll commands to hold ground track.
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A
757
FAULT ISOLATION/MAINT MANUAL
AUTOPILOT/FLIGHT DIRECTOR ROLL AND YAW CHANNEL
AIRPLANES WITH CONTROL WHEEL STEERING
Autopilot/Flight Director Roll and Yaw Channel - Component Index
Figure 101
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757 FAULT ISOLATION/MAINT MANUAL
LEFT, CENTER, OR RIGHT AUTOPILOT LATERAL CONTROL SERVO, M10040, M10041 OR M10042
SEE A
LEFT, RIGHT
WHEEL WELL
OUTPUT ROD ASSEMBLY (REF)
ELECTRICAL CONNECTOR (REF)
ELECTROHYDRAULIC SOLENOID VALVE NO. 2 ELECTROHYDRAULICELECTROHYDRAULIC SOLENOID VALVE NO. 1SERVO VALVE
LEFT, CENTER, OR RIGHT AUTOPILOT LATERAL CONTROL SERVO, M10040,M10041 OR M10042
A
Autopilot/Flight Director Roll and Yaw Channel - Component Location
Figure 102 (Sheet 1)
D00292
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757
FAULT ISOLATION/MAINT MANUAL
LEFT, CENTER, OR RIGHT
AUTOPILOT ROLLOUT GUIDANCE
SERVOS, M277,M278 OR M279
SEE B ELECTRICAL
CONNECTOR
(REF)
CONTROL
ROD (REF) ACCESS PANEL, 324AL
ELECTROHYDRAULIC SOLENOID VALVE NO. 2
FORWARD ELECTROHYDRAULICEQUIPMENT CENTER SERVO VALVEACCESS PANEL, 113AL ELECTROHYDRAULIC SOLENOID VALVE NO. 1
AILERON CONTROL DRUM (REF) SEE C LEFT, CENTER, OR RIGHT AUTOPILOT ROLLOUT GUIDANCE SERVO, M277,M278 OR M279
B
CONTROL COLUMN (REF)
FLOOR (REF)
LEFT (RIGHT) AILERON CONTROL FORCE TRANSDUCER, TS16 (TS5068)
1
FWD SEE D
AILERON CONTROL DRUM (REF) (VIEW IN THE FORWARD DIRECTION LEFT (RIGHT) AILERON CONTROL
LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE)
FORCE TRANSDUCER, TS16 (TS5068) (LEFT SIDE SHOWN,
C
RIGHT SIDE OPPOSITE) D11AIRPLANES WITH CONTROL WHEEL STEERING
Autopilot/Flight Director Roll and Yaw Channel - Component Location
Figure 102 (Sheet 2)
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757 MAINTENANCE MANUAL
AUTOPILOT ROLLOUT GUIDANCE SERVO - REMOVAL/INSTALLATION
_______________________________________________________
1. General (Fig. 401)_______
A. The three Autopilot Rollout Guidance Servos (ARGSs) are adjacent to each other at the bottom of the vertical stabilizer. They are immediately in front of the rudder hinge line. Each servo has an output rod connected to the rudder feel, centering, and trim mechanism.
B. This procedure includes tasks to remove, install, adjust, and test the Autopilot Rollout Guidance Servos.
C. There are two adjustment tasks for the Autopilot Rollout Guidance Servo:
(1)
Adjustment with the Maintenance Control Display Panel (MCDP)
(2)
Adjustment with the Phase Synchronous Voltmeter Model 101A
TASK 22-13-01-014-001
2. Remove the Autopilot Rollout Guidance Servo___________________________________________
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