S 865-178

 (4)
Do the deactivation procedure for the flaps (Ref. 27-51-00).

 S 865-179

 (5)  
Make sure that the speedbrake lever is in the down-and-locked position.

 E.
Control Wheel Test

 S 865-093
 (1)  
Make sure that this circuit breaker of the overhead panel, P11, is closed:

 (a)  
11J15, AILERON TRIM

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-00
 ALL  ú ú 02 Page 522 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 757 MAINTENANCE MANUAL
 (2)  S 215-094Move the aileron trim switches on the aft electronic-control panel, P8, to LEFT WING DOWN. Make sure that the control wheels move counterclockwise.
 (3)  S 825-180Operate the aileron trim switches to move the control wheel back to the neutral position.
 NOTE:____ The neutral trim position is achived when the index mark on the top of the control wheel is aligned with the center mark on the decal on top of the control column.
 (4)  S 865-181Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: (a) 11J15, AILERON TRIM
 (5)  S 215-095Move the aileron trim switches to LEFT WING DOWN. the control wheels do not move. Make sure that
 (6)  S 865-096Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel: (a) 11J15, AILERON TRIM
 (7)  S 825-097Operate the aileron trim switches on the P8 panel until the trim indicator shows zero units of trim.
 (8)  S 215-098Turn each control wheel clockwise and then counterclockwise full travel. Move the control wheel to its neutral position and do the checks that follow: (a) Make sure that each control wheel moves smoothly and does not need too much force. (b) Make sure that the left and right ailerons move smoothly when the control wheel is turned. Make sure that spoilers 1 thru 3, 5 thru 8, and 10 thru 12 operate smoothly when the control wheel is turned.
 NOTE:____ The spoilers are numbered 1 thru 12 from left outboard to right outboard.
 (9)  S 825-099Move the control wheel to its neutral position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-00
 ALL  ú ú 02 Page 523 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 095-216
 (10)
 Remove the cover plate/map holder from the control wheel.

 S 495-100

 (11)
 Install the control-wheel adapter equipment and protractor on the control wheels.

 S 225-101

 (12)
 Turn each control wheel clockwise and then counterclockwise full travel and do the checks that follow:

 (a)  
Make sure the control wheel moves a minimum of 82.5 degrees in each direction.

 S 095-102
 (13)
 Remove the protractor.

 S 495-103

 (14)
 Attach a clamp to the captain's control wheel to hold it in neutral.

 S 225-104

 (15)
 Turn the first-officer's control-wheel counterclockwise full travel.

 (a)  
Make sure that the maximum torque is between 273 and 333 pound-inches.

 NOTE: The maximum torque will occur when the control wheels
____ are approximately 85 degrees apart.
 S 225-105
 (16)
 Turn the first-officer's control-wheel clockwise full travel and measure the necessary torque. Make sure that the maximum torque is between 273 and 333 pound-inches (30.8-37.6 Nm). Move the first-officer's control-wheel to neutral.

 F.
Aileron Response with a Single Hydraulic Source Test

 S 865-106
 (1)
Supply pressure to the left hydraulic system only (Ref. 29-11-00).

 S 215-107

 (2)  
Turn one of the two control wheels full clockwise and then counterclockwise. Make sure that the right aileron operates when the control wheel is turned. Make sure that the left aileron does not move.

 NOTE: Because of the breakout of the wing override mechanism, the
____
 left aileron can move a small distance.
　
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊 飛行操縱 FLIGHT CONTROLS 1(73)