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时间:2011-04-11 09:07来源:蓝天飞行翻译 作者:航空
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 S 865-323

 (2)
Make sure the airplane is in the ground mode (the airplane is not jacked and the targets are not installed) (AMM 32-09-02/201).


 S 865-112
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ LEADING EDGE AND TRAILING EDGE FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
 (3)  
Make sure the leading edge flaps are in the fully retracted position (move the flaps if it is necessary) (AMM 27-81-00/201).

 S 865-322

 (4)  
Make sure these circuit breakers are closed:

 (a)  
On the main power distribution panel, P6:
 1) 6F5, FUEL SYS MGMT CARD A
 2) 6F6, FUEL SYS MGMT CH1
 3) 6F7, FUEL SYS MGMT CARD B

 

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A
747-400 MAINTENANCE MANUAL
 4) 6F8, FUEL SYS MGMT CH2 5) 6F20, FLT DK LIGHTS PILOTS MISC IND 2 6) 6F26, FLT DK LIGHTS F/O IND 7) 6F27, FLT DK LIGHTS F/O IND & DGTL DSPL 8) 6L14, FUEL XFEED VALVE ENG 1 9) 6L15, FUEL XFEED VALVE ENG 2 10) 6L16, FUEL XFEED VALVE ENG 3 11) 6L17, FUEL XFEED VALVE ENG 4
 (b)  On the DC power distribution panel, P180:
 1) 180H17, FUEL SYS EICAS INTFC CONT

 S 865-102
 (5)  
Make sure these switches on the fuel management control panel, M154, (pilots' overhead panel, P5) are in the off position:

 (a)  
Boost pumps and override/jettison pumps (the white ON indication light in each switch does not show).

 (b)  
Fuel crossfeed valves (the flowbar in each switch does not show).


 S 865-049
 (6)  
Make sure all the FUEL CONTROL switches on the control stand are set to the CUTOFF position.

 F.
Fuel Crossfeed Valves Operational Test (Fig. 501)


 S 715-103
 (1)  
Look at the fuel management control module, M154.

 (a)  
Make sure the amber VALVE indication light does not show in any of these switches: 1) FUEL X FEED 1 2) FUEL X FEED 2 3) FUEL X FEED 3 4) FUEL X FEED 4


 S 715-104
 (2)  
Look at the main and auxiliary EICAS displays.

 (a)  
Make sure these EICAS status or advisory messages do not show: 1) FUEL X FEED 1 2) FUEL X FEED 2 3) FUEL X FEED 3 4) FUEL X FEED 4


 S 715-106
 (3)  
Look at the fuel synoptic display.

 (a)  
Make sure each crossfeed valve symbol is white and the flowbars in the valve symbol are perpendicular to the applicable fuel-feed segment.


 S 715-105
 (4)  
Do these steps to operate the crossfeed valve for the No. 1 main tank.

 (a)  
Put the FUEL X FEED 1 switch to the ON position.


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 ALL  ú ú 01 Page 503 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
Look at the light indication in the FUEL X FEED 1 switch. 1) Make sure the amber VALVE indication light comes on and

 then goes off. 2) Make sure the white flowbar indication light comes on.

 (c)  
Monitor the fuel synoptic.


 1)  Make sure the valve symbol for the No.1 crossfeed valve changes in this sequence: a) White - flowbars perpendicular with fuel-feed segments
 (valve closed) b) Amber (valve in-transit) c) White - flowbars parallel with fuel-feed segments
 (valve open)
 (d)  
After approximately 15 seconds look at the main and auxiliary EICAS displays. 1) Make sure these EICAS messages do not show:

 a) FUEL X FEED 1 (advisory)
 b) FUEL X FEED 1 (status)


 (e)  
Put the FUEL X FEED 1 switch to the off position.

 (f)  
Look at the light indication in the FUEL X FEED 1 switch. 1) Make sure the white flowbar indication light goes off. 2) Make sure the amber VALVE indication light comes on and
 
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本文链接地址:747-400 AMM 飞机维护手册 燃油 FUEL 2(78)