27-41-00
 ALL  ú ú 02 Page 580B ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (5)  S 865-629Move the alternate stab trim switches aft while the stabilizer moves (airplane nose up). (a) Make sure that the stabilizer stops in one second.
 (6)  S 865-630Let the stabilizer-trim control-wheel-switches and the alternate stab trim switches go back to the neutral position.
 (7)  S 865-631Move the captain's stabilizer-trim control-wheel-switches down (airplane nose up). (a) Make sure that the stabilizer moves in the airplane nose up direction (stabilizer leading edge down).
 (8)  S 865-632Move the alternate stab trim switches forward while the stabilizer moves. (a) Make sure that the stabilizer stops in one second.
 (9)  S 865-633Let the stabilizer-trim control-wheel-switches and the alternate stab trim switches go back to the neutral position.
 S 865-634

 (10)
 Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to the NORM position.

 S 865-635

 (11)
 Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to the CUTOUT position.

 S 865-636

 (12)
 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 865-637
 (13)
 Move the alternate stab trim switches aft while the stabilizer moves.

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

 S 865-638
 (14) Let the stabilizer-trim control-wheel-switches and the alternate stab trim switches go back to the neutral position.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-41-00
 ALL  ú ú 02 Page 580C ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 865-639
 (15)
 Move the first officer's stabilizer-trim control-wheel-switches down (airplane nose up).

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

 S 865-640
 (16)
 Move the alternate stab trim switches forward while the stabilizer moves.

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

 S 865-641
 (17)
 Let the stabilizer-trim control-wheel-switches and the alternate stab trim switches go back to the neutral position.

 P.
Stabilizer Trim Rate Test (Fig. 501)

 S 215-414
 (1)  
Make sure that the trailing edge flaps and leading edge slats are in the fully retracted position (Ref 27-51-00).

 S 215-415

 (2)  
Make sure that the flap lever is in the zero (FLAPS UP) detent (Ref 27-51-00).

 S 865-416

 (3)
Pressurize the right and center hydraulic systems (Ref 24-11-00).

 S 865-417

 (4)
Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to NORM.

 (5)  
Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT.

 S 865-419

 (6)  
Move the captain's stabilizer-trim control-wheel-switches up (airplane nose down) and hold until the stabilizer stops.

 S 865-418
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-41-00
 ALL  ú ú 02 Page 580D ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (7)  S 865-420Move the captain's stabilizer-trim control-wheel-switches down (airplane nose up) and do the check that follows: (a) Measure the time necessary for the stabilizer to go to the airplane nose up electrical-trim-stop (stabilizer leading edge down). 1) Make sure that the time is less than 54 seconds.
 (8)  S 865-421Put the RIGHT STAB TRIM SHUTOFF switch on the P10 panel to CUTOUT.
 (9)  S 865-422Put the CENTER STAB TRIM SHUTOFF switch on the P10 panel to NORM.
　
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