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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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.
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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
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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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