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A
757 MAINTENANCE MANUAL
S 212-057
(6)
Make sure the eyebolt threads show equally above each of the top nuts.
S 432-058
(7)
Tighten the bottom nuts.
S 222-059
(8)
Do these steps to do a check of the feel spring adjustment.
NOTE: The System Feel, Centering, and Trim Test (AMM 27-11-00/501)
____
includes this check.
(a)
Remove the cover plate/map holder from the control wheel.
(b)
Install the control wheel adapter equipment and protractor on captain's control wheel, and center the protractor on the control wheel.
(c)
Hit the control wheel lightly to make sure it is in its neutral position.
(d)
Measure the torque that is necessary to turn the control wheel 1 to 2 degrees away from its neutral position.
(e)
Make sure the torque is less or equal to 42 pound-inches
(4.7 Nm).
(f)
Remove the control wheel adapter equipment and protractor.
F.
Feel, Centering, and Trim Mechanism - Test
S 862-060
(1)
Supply electrical power (Ref 24-22-00/201).
S 862-061
(2)
Make sure these circuit breakers on the overhead panel, P11, are closed:
(a)
EICAS (6 locations)
S 822-062
(3) Push the STATUS switch on the display select panel, P9, to show the aileron position indicator on the bottom EICAS display.
S 862-006
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(4) Supply pressure to the left, right, and center hydraulic systems (Ref 29-11-00/201).
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757
MAINTENANCE MANUAL
S 212-063
(5)
Turn the control wheel clockwise and do these checks:
(a)
Make sure the left aileron moves down.
(b)
Make sure the right aileron moves up.
S 212-064
(6)
Turn the control wheel counterclockwise and do these checks:
(a)
Make sure the left aileron moves up.
(b)
Make sure the right aileron moves down.
S 212-065
(7)
Release the control wheel and do this check:
(a)
Make sure the control wheel goes back to its neutral position.
S 212-066
(8)
Make sure that the control wheels and the ailerons move smoothly through their full travel range.
G.
Put the Airplane Back to Its Usual Condition
S 492-004
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Remove the door locks from the landing gear doors and close the doors (Ref 32-00-15/201).
S 862-067
(2)
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00/201).
(3)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
S 862-068
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27-11-14
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
LATERAL CONTROL OVERRIDE MECHANISM - REMOVAL/INSTALLATION
_________________________________________________________
1. General_______
A. This procedure contains the removal and the installation tasks for the lateral control override mechanism.
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