S 495-144
(4)
Install the control wheel adapter equipment on the control wheels.
S 825-145
(5)
Manually move the left aileron to the neutral position and hold it there.
S 225-146
(6)
Turn the captain's control wheel counterclockwise 65 | 2 degrees. Make sure that the torque needed to hold the control wheel in position is 150-200 pound-inches (17.0-22.6 Nm). Move the control wheel to its neutral position.
NOTE: The torque can be measured with a torque wrench or a
____ spring scale. If a spring scale is used to measure the torque, apply a vertical force to the control wheel at the
6.5 inch (165.1 mm) control wheel radius.
S 825-147
(7) Manually move the left aileron to the full up position and hold it there.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-11-00
ALL ú ú 02 Page 533 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 225-182
(8)
Turn the captain's control wheel clockwise 65 | 2 degrees. Make sure that the torque needed to hold the control wheel in position is 150-200 pound-inches (17.0-22.6 Nm). Move the control wheel to its neutral position .
S 825-148
(9)
Manually move the left aileron to the neutral position.
S 825-149
(10)
Manually move the right aileron to the neutral position and hold it there.
S 225-150
(11)
Turn the captain's control wheel clockwise 65 | 2 degrees. Make sure that the torque needed to hold control wheel in position is 150-200 pound-inches (17.0-22.6 Nm). Move the control wheel to its neutral position.
S 825-151
(12)
Manually move the right aileron to the full up position and hold it there.
S 225-152
(13)
Turn the captain's control wheel counterclockwise 65 | 2 degrees. Make sure that the torque needed to hold the control wheel in position is 150-200 pound-inches (17.0-22.6 Nm). Move the control wheel to its neutral position.
S 825-153
(14)
Manually move the right aileron to the neutral position.
S 225-154
(15)
Do the above steps again for the first officer's control wheel.
S 095-155
(16)
Remove the control wheel adapter equipment.
J.
Put the Airplane Back to its Usual Condition.
(1)
Remove electrical power if it is not necessary (Ref 24-22-00).
S 865-212
TASK 27-11-00-715-183
5. Aileron Bus Force Limiter and the Aileron Control Override Mechanism - Test____________________________________________________________________________
NOTE: This is a scheduled maintenance task.
____
A. References
(1)
24-22-00/201, Electrical Power - Control
(2)
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-11-00
ALL ú ú 02 Page 534 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
B. Prepare for the Test
S 865-184
(1)
Supply electrical power (Ref 24-22-00/201).
S 215-185
(2)
Make sure these circuit breakers on the overhead panel, P11, are closed:
(a)
EICAS (6 locations)
S 865-186
(3) Push the STATUS switch on the display select panel, P9, to show the aileron position indicator on the bottom EICAS display.
S 865-187
WARNING: TO PREVENT INJURY OR DAMAGE, MOVE ALL PERSONS AND EQUIPMENT
_______ AWAY FROM THE CONTROL SURFACES BEFORE HYDRAULIC POWER IS SUPPLIED. STAY AWAY FROM THE CONTROL SURFACES DURING THEIR OPERATION.
(4)
Supply pressure to the left, right, and center hydraulic systems (Ref 29-11-00/201).
C. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 1(78)
