Description and Operation 1 ALL General 1 Component Details 5
Autopilot Pitch Control 10
Servo
Feel and Centering Unit 14
Assembly
Operation 14
Functional Description 14
Component Location 101 ALL Component Index Component Location
SERVO - AUTOPILOT PITCH CONTROL 22-12-01 Removal/Installation 401 ALL TRANSDUCER - ELEVATOR CONTROL 22-12-03 FORCE Removal/Installation 401 [*] [*] AIRPLANES WITH CONTROL WHEEL STEERING
TRANSDUCER - ELEVATOR NEUTRAL 22-12-04 SHIFT Removal/Installation 401 ALL
22-CONTENTS
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VALVES - APCS ELECTROHYDRAULIC 22-12-02 SERVOVALVE AND SOLENOID Maintenance Practices 201 ALL Install the APCS Servovalve 204 or Solenoid Valve Remove the APCS Servovalve 201 or Solenoid Valve
Test the APCS 205 Electrohydraulic Servovalve and Solenoid Valves
AUTOPILOT/FLIGHT DIRECTOR SYSTEM 22-13-00
ROLL AND YAW CHANNEL
Description and Operation 1 ALL General 1 Component Details 4
A/P Lateral Control Servos 7
A/P Rollout Guidance Servos 7
Autopilot Servo Components 7
Operation 13
Functional Description 13
Component Location 101 ALL Component Index Component Location
SERVO - AUTOPILOT LATERAL 22-13-03 CONTROL Removal/Installation 401 ALL SERVO - AUTOPILOT ROLLOUT 22-13-01 GUIDANCE Removal/Installation 401 ALL TRANSDUCER - AILERON CONTROL 22-13-05 FORCE Removal/Installation 401 [*] [*] AIRPLANES WITH CONTROL WHEEL STEERING
VALVES - ALCS ELECTROHYDRAULIC 22-13-04 SERVOVALVE AND SOLENOID Maintenance Practices 201 ALL
Install the ALCS 202 Electrohydraulic Servovalve or Solenoid Valves
Remove the ALCS 201 Electrohydraulic Servovalve or Solenoid Valves
22-CONTENTS
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VALVES - ARGS ELECTROHYDRAULIC 22-13-02 SERVOVALVE AND SOLENOID Maintenance Practices 201 ALL
Install the ARGS 202 Electrohydraulic Servovalve or Solenoid Valves
Remove the ARGS 201 Electrohydraulic Servovalve or Solenoid Valves
AUTOPILOT/FLIGHT DIRECTOR WARNING 22-14-00
AND ANNUNCIATION
Description and Operation 1 ALL General 1 Component Details 4
Autoland Status Annunciator 5
Autopilot Warning and 5 Caution Lights and Annunciations
Autopilot/Flight Director 4
Flight Mode Annunciation
Operation 8
Autopilot/Flight director 22 System Signal Source Fault Detection (SSFD)
Autopilot/Flight Director 25 System MCDP Monitor and Test
Functional Description 8
Component Location 101 ALL Component Index Component Location
ANNUNCIATOR - AUTOLAND STATUS 22-14-01
Removal/Installation 401 ALL
AUTOPILOT/FLIGHT DIRECTOR 22-15-00
INTERCHANNEL DATA
Description and Operation 1 ALL General 1 Operation 1
Functional Description 1
SPEED-ATTITUDE CORRECTION 22-20-00
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22-CONTENTS
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YAW DAMPER SYSTEM 22-21-00
Description and Operation 1 ALL General 1 Component Details 7
Yaw Damper Panel Assembly 7
Yaw Damper Servo 13
Operation 16
Functional Description 16
Component Location 101 ALL Component Index Component Location
Adjustment/Test 501 ALL Operational Test - Yaw Damper 501 System Operational Test - Yaw Damper 501 System ACCELEROMETER - MODAL 22-21-05 SUPPRESSION Removal/Installation 401 [*] [*] AIRPLANES WITH -122 AND ON YAW DAMPER MODULE
MODULE - YAW DAMPER 22-21-04 Removal/Installation 401 ALL PANEL - YAW DAMPER 22-21-01 Removal/Installation 401 ALL SERVO - YAW DAMPER 22-21-02 Removal/Installation 401 ALL VALVES - YDS ELECTROHYDRAULIC 22-21-03 SERVOVALVE AND SOLENOID
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