22-10-00
 ALL  ú ú 03 Page 106 ú Jun 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
FAULT ISOLATION/MAINT MANUAL

LEFT,CENTER,RIGHT, ELEVATOR AUTOPILOT SERVOS, B7081,B7082,B7083
SEE I
SERVO AUTOPILOT ELEVATOR  AUTOPILOT LVDT 
OUTPUT LVDT  ELECTRICAL CONNECTOR 
ENGAGE VALVE SOLENOID 
RETURN HYDRAULIC  PRESSURE HYDRAULIC  ARM SOLENOID VALVE  FWD SERVOVALVE ELECTROHYDRAULIC 
B7081,B7082,B7083 LEFT,CENTER,RIGHT, ELEVATOR AUTOPILOT SERVO (EAS), 
I 
Figure 102 (Sheet 5) Autopilot/Flight Director System - Component Location 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-10-00
 ALL  ú ú 02 Page 107 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 AUTOPILOT/FLIGHT DIRECTOR SYSTEM - ADJUSTMENT/TEST
__________________________________________________
 1.  General
_______
 A.  This procedure contains these tasks:
 (1)
Operational test of the autopilot/flight director system.

 (2)
Ground Test - Flight Control Computer

 (3)
Ground Test - Mode Control Panel

 (4)
Ground Test - Aileron Servo

 (5)
Ground Test - Elevator Servo

 (6)
Ground Test - Rudder Servo

 (7)
Ground Test - Autopilot Disconnect Switch

 (8)
Ground Test - Go-Around Switch

 (9)
Ground Test - Autoland Unique

 (10)
 Ground Test - Air/Ground Relay

 (11)
 Ground Test - FCC Configuration

 (12)
 Ground Test - FCC Instrument

 (13)
 Ground Test - Speed Brake Transducer

 (14)
 Ground Test - Flap Transducer

 (15)
 Ground Test - Stabilizer Trim

 (16)
 Ground Test - Transducer Outputs

 (17)
 Ground Test - Aileron Surface Limit

 (18)
 Ground Test - Elevator Surface Limit

 (19)
 Ground Test - Rudder Surface Limit

 (20)
 System test of the autopilot/flight director system.

 (21)
 Automatic Stabilizer Trim Test.

 NOTE: This is a scheduled maintenance task.
____
 B.  You can use one of the Control Display Units (CDU) to start the CMCS tests. The printer (optional) permits you to make a copy of the results of the CMCS tests. This printer is on the aft electronics control panel (P8).
 C.  When you do the operational test, ground tests or the system test, make sure that these systems are serviceable:
 (1)
Aural Warning System (AMM 31-51-00/501)

 (2)
Integrated Display System (AMM 31-61-00/501)

 (3)
Master Dim and Test (AMM 33-12-00/501)

 (4)
Air Data System (AMM 34-12-00/501)

 (5)
Inertial Reference System (AMM 34-21-00/501)

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-10-00
 ALL  ú ú 01 Page 501 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (6)  
ILS Navigation System (Multi-Mode Receiver) (AMM 34-31-00/501)

 (7)  
Radio Altimeter System (AMM 34-33-00/501)

 (8)  
Flight Management Computer System (AMM 34-61-00/501)

 (9)  
Central Maintenance Computer System (AMM 45-10-00/501)

 TASK 22-10-00-715-071
 2. Operational Test - Autopilot/Flight Director System
___________________________________________________
 A. General
 (1)  
The operational test uses no external equipment. It is for a fast check of the autopilot/flight director system. The airplane electrical system and the hydraulic system are the only power sources necessary for this task.
　
中國(guó)航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 空調(diào) AUTO FLIGHT(33)