S 985-077

 (15)
 Put the C and R STAB TRIM switches in the NORM position.

 F.  Test the STAB TRIM Fault Light and the Stabilizer Trim Control Module (STCM) Brake Switch Interface
 S 985-078
 (1)  Operate the control wheel trim switches to put the stabilizer to approximately four units of trim.
 S 845-006
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILER PANELS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)
Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoiler panels.

 S 865-079

 (3)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:

 (a)  
11G17, CSEU 1R AC
 or
 FLT CONT ELEC 1R AC

 (b)  
11G27, CSEU 2R AC
 or
 FLT CONT ELEC 2R AC

 (4)  
Put the R STAB TRIM switch in the CUT OUT position.

 S 285-081

 (5)  
Make sure that the yellow STAB TRIM light on the overhead panel, P5, and the STAB TRIM message on the upper EICAS display unit are out.

 S 985-082

 (6)  
Put the computer selector switch on the EICAS display select panel in the R position.

 (7)
Make sure that the yellow STAB TRIM light on the P5 panel is out.

 S 985-080
 S 285-083
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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MAINTENANCE MANUAL

 S 285-084
 (8)  
Make sure that the STAB TRIM message on the upper EICAS display unit is out.

 S 985-085

 (9)  
Operate the control wheel trim switches in the up direction.

 S 285-086

 (10)
 Make sure that the yellow STAB TRIM light comes on and the upper EICAS display unit on the pilot's center instrument panel shows the STAB TRIM message.

 S 985-087

 (11)
 Put the R STAB TRIM switch in the NORM position.

 S 985-088

 (12)
 Operate the control wheel trim switches in the up direction.

 S 285-089

 (13)
 Make sure that the yellow STAB TRIM light and message are off.

 S 865-090

 (14)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11G17, CSEU 1R AC
 or
 FLT CONT ELEC 1R AC

 (b)  
11G27, CSEU 2R AC
 or
 FLT CONT ELEC 2R AC

 S 845-005
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILER PANELS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (15) Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoiler panels.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 02 Page 513 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 865-091
 (16) Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
 (a)  11C6,  CSEU 1L AC
 or
 FLT CONT ELEC 1L AC
 (b)  11C8,  CSEU 2L AC
 or
 FLT CONT ELEC 2L AC

 S 985-092
 (17)
 Put the C STAB TRIM switch in the CUTOUT position.

 S 985-093

 (18)
 Put the computer selector switch on the EICAS display panel in the L position.

 S 985-094

 (19)
 Operate the control wheel trim switches in the down direction.
　
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