(c)  
Make sure that there are no existing faults on the CDU.

 (d)  
Select <27 STABILIZER TRIM from the existing faults menu.

 NOTE: If 27 RUDDER RATIO AND 27 STABILIZER TRIM do not come
____ into view, there are no existing faults with the rudder ratio changer system.
 (e)  Make surethat these messages do not show on the CDU: 1) SRM-L FAIL (SRM-L) 2) SRM-R FAIL (SRM-L) 3) SRM-R > SRM-L DATA FAIL 4) SRM-R > SRM-L BUS FAIL 5) ADC-C > SRM-L DATA FAIL 6) SRM-L FAIL or ADC-C > SRM-L BUS FAIL 7) ADC-L > SRM-L DATA FAIL 8) SRM-L FAIL or ADC-L > SRM-L BUS FAIL 9) ADC-R > SRM-L DATA FAIL 10) SRM-L FAIL or ADC-R > SRM-L BUS FAIL 11) ADC DATA DISAGREE (SRM-L) 12) SRM-L CHANNEL CODE FAULT (SRM-L) 13) SRM-R FAIL (SRM-R)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-00
 ALL  ú ú 01 Page 512 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 14) SRM-L FAIL (SRM-R) 15) SRM-L > SRM-R DATA FAIL 16) SRM-L > SRM-R BUS FAIL 17) ADC-C > SRM-R DATA FAIL 18) SRM-R FAIL or ADC-C > SRM-R BUS FAIL 19) ADC-L > SRM-R DATA FAIL 20) SRM-R FAIL or ADC-L > SRM-R BUS FAIL 21) ADC-R > SRM-R DATA FAIL 22) SRM-R FAIL or ADC-R > SRM-R BUS FAIL 23) ADC DATA DISAGREE (SRM-R) 24) SRM-R CHANNEL CODE FAULT (SRM-R)
 G. Put the Airplane Back to Its Usual Condition
 S 865-150
 (1)  
Set the GND TEST switch to the NORM position.

 S 865-151

 (2)  
Remove electrical power (AMM 24-22-00/201).

 TASK 27-21-00-835-020
 4. Rudder and Rudder Trim Control System Adjustment
________________________________________________
 A. General
 (1)  
This procedure gives you the instructions to adjust (rig) the rudder system. To do this you adjust all of the components and cables to the neutral position, then you adjust the rudder to the neutral position.

 B.
Special Tools and Equipment

 (1)  
2MIT65B04011-41, Nose Gear Rig and Tow Safty Pin
 (referred to as the TOW PIN)

 (2)  
G12001-50 Rig pin Kit

 C.
Standard Tools and Equipment

 (1)  
Cable Tensiometer - 0-300 pound range for 3/32 and 1/8 inch diameter cable

 D.
Consumable Materials

 (1)  
C00174 Compound, Corrosion Preventive - MIL-C-16173

 E.
References

 (1)  
AMM 06-09-05/201, Body Section 48 Access Doors and Panels

 (2)  
AMM 06-09-07/201, Vertical Fin Access Doors and Panels

 (3)  
AMM 09-11-00/201, Towing

 (4)  
AMM 24-22-00/201, Manual Control

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-00
 ALL  ú ú 05 Page 513 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (5)  
AMM 25-59-01/401, Main Deck Compartment Cargo Lining Panel

 (6)  
AMM 27-21-12/501, Rudder Ratio Changer

 (7)  
AMM 27-21-15/501, Upper Rudder Power Control Package

 (8)  
AMM 27-21-16/501, Lower Rudder Power Control Package

 (9)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (10)
 AMM 34-11-00/201, Pitot-Static System

 F.
Access

 (1)  
Location Zone
 221-222 Control Cabin
 315-316 Area Aft of Stabilizer Box
 325 Vertical Fin, Rear Spar to Trailing Edge
 325 Lower Rudder
 326 Upper Rudder

 (2)  
Access Panel
 312A Horizontal Stabilizer Jackscrew Access Door
 315A Access Door
 324DL Inspection Access Door
 324DR Rudder Actuator Access Door
 324FL Inspection Access Door
 324FR Centering Mechanism Access Door
 324HL Inspection Access Door
 324HR Centering Mechanism Access Door
 324UL Inspection Access Door
 324UR Inspection Access Door

 G.
Prepare to Adjust the Rudder and the Rudder Trim System
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 2(51)