27-41-00
 ALL  ú ú 06 Page 512 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 865-022
 (20)
 Release the stabilizer-trim control-wheel-switches.

 (a)  
Make sure that the stabilizer movement stops.

 S 865-023
 (21)
 Move the first officer's stabilizer-trim control-wheel-switches up (airplane nose down).

 (a)  
Make sure that the stabilizer moves in the airplane nose down direction (stabilizer leading edge up).

 S 865-024
 (22)
 Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT while the stabilizer moves.

 (a)  
Make sure that the stabilizer movement stops in one second.

 S 865-025
 (23)
 Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to NORM.

 (a)  
Make sure that the stabilizer movement starts in one second.

 S 865-026
 (24)
 Release the stabilizer-trim control-wheel-switches.

 (a)  
Make sure that the stabilizer movement stops.

 S 865-027
 (25)
 Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to NORM.

 S 865-028

 (26)
 On the captain's control wheel, move each stabilizer-trim control-wheel-switch up while the other switch stays at neutral.

 (a)  
Make sure that the stabilizer does not move.

 S 865-029
 (27)
 On the captain's control wheel, move each stabilizer-trim control-wheel-switch down while the other switch stays at neutral.

 (a)  
Make sure that the stabilizer does not move.

 S 865-030
 (28)
 On the captain's control wheel, move the stabilizer-trim control-wheel-switches in opposite directions (one airplane nose up and the other airplane nose down).

 (a)  
Make sure that the stabilizer does not move.

 S 865-031
 (29)
 Change the direction of the two stabilizer-trim control-wheel-switches.

 (a)  
Make sure that the stabilizer does not move.

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 27-41-00
 ALL  ú ú 06 Page 513 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 865-032
 (30)
 On the first officer's control wheel, move each stabilizer-trim control-wheel-switch up while the other switch stays at neutral.

 (a)  
Make sure that the stabilizer does not move.

 S 865-033
 (31)
 On the first officer's control wheel, move each stabilizer-trim control-wheel-switch down while the other switch stays at neutral.

 (a)  
Make sure that the stabilizer does not move.

 S 865-034
 (32)
 On the first officer's control wheel, move the stabilizer-trim control-wheel-switches in opposite directions (one airplane nose up and the other airplane nose down).

 (a)  
Make sure that the stabilizer does not move.

 S 865-035
 (33)
 Change the direction of the stabilizer-trim control-wheel-switches.

 (a)  
Make sure that the stabilizer does not move.

 E.  
AIRPLANES WITH ALTERNATE STAB TRIM SWITCHES ON THE CONTROL STAND; Alternate-Electrical Operation Test

 S 865-525
 (1)  
Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to the CUTOUT position.

 S 215-526

 (2)  
Make sure that the RIGHT STAB TRIM SHUTOFF switch on the P10 panel is at the NORM position.

 S 215-527

 (3)  
Make sure this circuit breaker on the P11 panel is closed:

 (a)  
11A19, ALT STAB TRIM

 S 865-528
 (4)  
Move the alternate stab trim switches forward (airplane nose down).

 (a)  
Make sure the stabilizer moves in the airplane nose down direction (stabilizer leading edge up).

 S 865-529
 (5)  
Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT while the stabilizer moves.

 (a)  
　
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