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757
MAINTENANCE MANUAL

 S 985-025
 (15)
 Use the applicable (captain's, first officer's) control wheel trim switches to put the stabilizer at approximately five units of trim.

 S 285-026

 (16)
 Make sure the SAM fault ball is black on the applicable stabilizer trim and elevator asymmetry limit module (SAM).

 S 285-027

 (17)
 Make sure the HYD PRESS and ADC fault balls are black on the applicable SAM.

 D.  The Test of the STAB TRIM Fault Light and the Stabilizer Trim Control Module (STCM) Brake Switch Interface
 S 985-028
 (1)  Use the control wheel trim switches to put the stabilizer to approximately four units of trim.
 S 845-004
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Do the deactivation procedure for the spoilers or move all persons and equipment away from the spoiler panels (Ref 27-61-00).

 S 865-029

 (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

 S 985-030
 (4)  
Set R STAB TRIM switch to CUT OUT.

 S 285-031

 (5)  
Make sure the STAB TRIM amber light on the overhead panel, P5, is not on.

 (6)  
Make sure STAB TRIM does not show on the top EICAS display.

 S 985-032

 (7)  
Set the computer selector switch on the EICAS display panel to the R position.

 S 285-129
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MAINTENANCE MANUAL

 (8)  S 285-033Make sure the STAB TRIM amber light on the overhead panel, P5, is not on.
 (9)  S 285-128Make sure STAB TRIM does not show on the top EICAS display.
 S 985-034

 (10)
 Push the control wheel trim switches in the UP direction.

 S 285-035

 (11)
 Make sure the STAB TRIM amber light comes on.

 S 285-126

 (12)
 Make sure STAB TRIM shows on the top EICAS display unit.

 S 985-036

 (13)
 Set the R STAB TRIM switch to the NORM position.

 S 985-037

 (14)
 Push the control wheel trim switches in the UP direction.

 S 285-038

 (15)
 Make sure the STAB TRIM light (yellow) is off.

 S 865-127

 (16)
 Make sure STAB TRIM does not show on the top EICAS display unit.

 S 865-039

 (17)
 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 865-040
 (18) 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

 (c)
11C8, CSEU 1L, AC or FLT CONT ELEC 2L AC

 S 985-041
 (19)
 Set the C STAB TRIM switch to the CUT OUT position.

 S 985-042

 (20)
 Set the computer sector switch on the EICAS display select panel to the L position.

 (21)
 Push the control wheel trim switch in the DOWN direction.

 S 985-043
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