B. References
(1)
AMM 11-20-03/201, Overhead Panel
(2)
AMM 22-11-01/401, FCC Software Installation
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 29-11-00/201, Main Hydraulic Supply System
(5)
AMM 34-21-00/201, Inertial Reference System
(6)
AMM 34-61-00/501, Flight Management Computer System
(7)
AMM 34-61-02/401, Control Display Unit
(8)
AMM 45-10-00/501, Central Maintenance Computer System
C. Access
(1) Location Zones
221 Control Cabin, LH
222 Control Cabin, RH
D. Preconditions
S 865-256
(1) These conditions are necessary for this task:
(a)
Electrical Power On (AMM 24-22-00/201).
(b)
Central Maintenance Computer (CMC), serviceable (AMM 45-10-00/501).
(c)
Hydraulic Pressure Supplied (AMM 29-11-00/201).
(d)
Control Display Unit (CDU), serviceable (AMM 34-61-02/401).
(e)
IRUs must be in the NAV mode (AMM 34-21-00/201).
(f)
Overhead Panel (P5), serviceable (AMM 11-20-03/201).
(g)
Flight Control Computer (FCC), serviceable (AMM 22-11-01/401).
(h)
Flight Management Computer (FMC), serviceable (AMM 34-61-00/501).
E. Prepare for the Test
S 865-174
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-175
(2)
Align the left, center and right IRUs in the NAV mode
(AMM 34-21-00/201).
S 865-176
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(3) Supply the hydraulic pressure to the hydraulic systems No. 2 and No. 3 (AMM 29-11-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
(4) S 865-177Make sure the FLT CONTROL HYD POWER TAIL 2 and 3 switches are in the NORM position. These switches are on the Pilots' Overhead Maintenance Panel (P461).
(5) S 865-178Show EICAS Maintenance Pages on the auxiliary EICAS: (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 <EICAS MAINT PAGES to show the <EICAS MAINT PAGES menu. (e) Push the LSK that is adjacent to <27 FLT CONT to show the 27 FLT CONT menu.
(f) (g) Push the LSK that is adjacent to <DISPLAY.Set the upper and the lower rudders to 0.0 (|1.0) degree.
NOTE:____ Look at the rudder position on the EICAS display (P2-2).
Turn the rudder trim switch on the aft electronic control panel (P8) and lightly move the rudder pedals about the neutral position to set the position of the rudders.
(6) S 865-180Prepare the upper (or lower) yaw damper for the test: (a) Push and release the engage switch of the upper (or lower) yaw damper on the P5 panel to engage the upper (or lower) yaw damper system. Make sure that the ON annunciator comes on and the INOP annunciator is off.
(7) S 865-181Set the GND TESTS switch on the overhead maintenance panel, P461, to the ENABLE position.
(8) S 865-182Prepare 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 YAW DAMPER to show the GROUND TESTS menu for the yaw damper system.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中國航空網 www.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(161)
