S 434-022
(11)
Install the clip locks on the turnbuckles.
F.
Test the aileron-quadrant and override mechanism as follows:
S 864-023
(1)
Make sure that all the rig pins have been removed.
S 864-024
(2)
Make sure that the EICAS circuit-breakers on the overhead panel, P11, are closed.
S 824-025
(3)
Push the STATUS button on the pilots' display-select-panel, P9, to show the control-surface position-indicator on the bottom EICAS display.
S 864-026
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 AREA WHEN THE CONTROL SURFACES ARE OPERATED.
(4)
Supply pressure to the left, center, and right hydraulic systems (Ref 29-11-00).
S 214-027
(5)
Turn the control wheel clockwise.
(a)
Make sure that the right aileron moves up and the left aileron moves down.
S 214-028
(6)
Turn the control wheel counterclockwise.
(a)
Make sure that the right aileron moves down and the left aileron moves up.
S 864-029
(7)
Move the control wheel to the neutral position.
G.
Put the airplane back to its usual condition.
S 094-030
WARNING:_______MAKE SURE THAT THE DOOR LOCKS ARE REMOVED CORRECTLY. FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Remove the main-gear door-locks and close the doors (Ref 32-00-15).
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757 MAINTENANCE MANUAL
(2) S 864-031Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).
(3) S 864-032Remove electrical power if it is not necessary (Ref 24-22-00).
(4) S 414-033Close the access panels that you removed.
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AILERON QUADRANT AND OVERRIDE MECHANISM INSPECTION/CHECK
________________________________________________________
1. General_______
A. This procedure supplies the data that is necessary to examine the Aileron Quadrant and Override mechanism for wear. It does not supply any data that is necessary to access, remove, or install these components. Refer to the Aileron Quadrant and Override Mechanism Removal-Installation procedure for this data.
TASK 27-11-17-206-001
2. Aileron Quadrant and Override Mechanism Wear Limits___________________________________________________
A. Access
(1)
Location Zones
568 Aileron (Left)
668 Aileron (Right)
B.
Procedure
S 226-002
(1) Use the supplied data (Fig. 601) to examine the Aileron Quadrant and Override mechanism for too much wear.
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MAINTENANCE MANUAL
AILERON QUADRANT AND OVERIDE MECHANISM
SEE A
A
A
AILERON QUADRANT AND OVERIDE MECHANISM
SEE A
AILERON QUADRANT AND OVERRIDE MECHANISM(LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE)
A
D
EE B D
C
C
B
A-A
Aileron-Quadrant and Override-Mechanism Wear-Limits
Figure 601 (Sheet 1)
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