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时间:2011-04-20 07:59来源:蓝天飞行翻译 作者:航空
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 S 285-095

 (20)
 Make sure that the yellow STAB TRIM light comes on and the upper EICAS display unit shows the STAB TRIM message.

 S 985-096

 (21)
 Put the C STAB TRIM switch in the NORM position.

 S 985-097

 (22)
 Operate the control wheel trim switches in the down direction.

 S 285-098

 (23)
 Make sure that the yellow STAB TRIM light and the STAB TRIM message are off.

 S 985-099

 (24)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:


 (a)  11C6, CSEU 1L AC or FLT CONT ELEC 1L AC
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 02 Page 514 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 (b)  11C8, CSEU 2L AC
 or
 FLT CONT ELEC 2L AC

 G. Test Auto Trim Mode Crossfeed Interface
 S 285-100
 (1)  Make sure that the Inertial Reference System is initialized and operational (Ref 34-21-00).
 NOTE: Initialization of IRS requires about 10 minutes.
____
 S 985-101
 (2)  
Operate the control wheel trim switches to put the stabilizer to approximately seven units of trim.

 S 985-102

 (3)  
Put the F/D switch on the mode control panel in the ON position to start the Flight Director.

 S 985-103

 (4)  
Push the V/S switch/light on the mode control panel.

 S 985-110

 (5)  
Put the vertical speed dial to -2000 ft/min.

 S 985-192

 (6)  
GUN 051; Put the A/P ENGAGE L switch on the AFCS mode control panel in the CMD position.

 S 985-195

 (7)  
GUN 001-050, 052-999;
 Push the L CMD button on the AFCS mode control panel.

 

 NOTE: GUN 051;
____
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757
MAINTENANCE MANUAL

 If the flight director is switched to the FCC that is engaged, the flight director bars will not show on the EADI display.
 S 285-009
 (8)  Make sure that these actions occur:
 (a)  
the stabilizer trim position indicator shows stabilizer movement

 (b)  
the yellow UNSCHED STAB TRIM light is off

 (c)  
the UNSCHED STAB TRIM message is not shown on the upper EICAS display unit.


 S 985-112
 (9)  
Push the autopilot wheel disconnect switch to disengage the autopilot.

 S 985-113

 (10)
 Push the A/P disconnect switch a second time to cancel aural and visual alerts.

 S 985-114

 (11)
 Put the computer selector switch on the EICAS display select panel in the R position.

 S 985-115

 (12)
 Operate the control wheel trim switches to put the stabilizer to approximately two units of trim.

 S 985-122

 (13)
 Put the vertical speed dial on the mode control panel to +2000 ft/min.

 S 985-199

 (14)
 GUN 051; Put the A/P ENGAGE R switch on the AFCS mode control panel in the CMD position.

 S 985-203

 (15)
 GUN 001-050, 052-999; Push the R CMD button on the AFCS mode control panel.


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A

757 MAINTENANCE MANUAL
 S 285-010
 (16) Make sure that these actions occur:
 (a)  
the stabilizer trim position indicator shows stabilizer movement
 
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