(c)  
Hydraulic Pressure Supplied (AMM 29-11-00/201).

 (d)  
Control Display Unit (CDU), serviceable (AMM 34-61-02/401).

 (e)  
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).

 (f)  
Flight Management Computer (FMC), serviceable (AMM 34-61-00/501).

 E. Prepare for the Test
 S 865-407
 (1)  Supply electrical power (AMM 24-22-00/201).
 S 865-409
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (2)  
Supply the hydraulic pressure to the hydraulic systems NO. 1, 2, 3, and 4 (AMM 29-11-00/201).

 S 865-411

 (3)  
Make sure the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 S 865-298

 (4)  
Make sure the FLT CONTROL HYD POWER WING 1, 2, 3, and 4 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-10-00
 ALL  ú ú 06 Page 549 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 865-413
 (5)  
Set the STAB TRIM 2 and 3 switches on Pilots' Control Stand to the AUTO position.

 S 865-300

 (6)  
Prepare the CDU for the test:

 (a)  
Push the MENU key on the CDU to show the MENU.

 (b)  
Push the line select key (LSK) that is adjacent to <CMC to show the CMC MENU.

 (c)  
If <RETURN shows after you push the LSK, push the LSK that is adjacent to <RETURN until you see the CMC MENU.

 (d)  
Push the LSK that is adjacent to <GROUND TESTS to show the GROUND TESTS menu.

 (e)  
Push the LSK that is adjacent to <22 AUTOPILOT FLT DIR to show the GROUND TESTS menu for the autopilot flight director system.

 (f)  
Push the NEXT PAGE key until you find <ELV SURFACE LIMIT.

 NOTE: If INHIBITED shows above <ELV SURFACE LIMIT, the test
____
 will not operate.

 (g)  If INHIBITED shows above <ELEV SURFACE LIMIT: 1) Push the LSK that is adjacent to the test prompt. 2) Do the steps shown on the CDU. 3) Push the LSK that is adjacent to <RETURN to show the ground
 test menu again.
 F. Elevator Surface Limit Ground Test
 NOTE:____During this test, visual check is necessary. Make sure that the results shown on the CDU agree with the results given in this procedure.
 S 745-301
 (1)  Push the LSK that is adjacent to <ELV SURFACE LIMIT.
 (a)  When the TEST PRECONDITIONS page shows, make sure each instruction on the page is completed. (Push the NEXT PAGE key to see subsequent pages.)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 22-10-00
 ALL  ú ú 05 Page 550 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
Push the LSK that is adjacent to START TEST>.

 (c)  
Make sure that there is no failure indication shows on the CDU.

 (d)  
Continue with the instructions on the CDU until the POSITIVE LIMIT and NEGATIVE LIMIT page is shown.

 (e)  
Push the LSK adjacent to <POSITIVE LIMIT for the positive surface limit positions.

 (f)  
Write down the values for the elevator surface position:

 L ______ , C ______ , R ______ .

 (g)  
Make sure that the values for the left, center, and right channels are +9.0 degrees (minimum).

 (h)  
Make sure that the control columns stay at the positive limit and the AUTOPILOT DISC does not show on the main EICAS display.

 (i)  
Push the LSK adjacent to <CONTINUE on the CDU to go back to the POSITIVE LIMIT and NEGATIVE LIMIT page.
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 空調 AUTO FLIGHT(57)