1)  Make sure the inboard trailing edge of the aileron is aligned with the outboard trailing edge of the main flap (use a tolerance of +/- 0.06 inch (+/- 1.5 mm)).
 (c)  Tighten the control rod locknuts and do this check: 1) Make sure the aileron position does not change.
 S 222-034
 (8)  
Make sure the outboard trailing edge of the aileron is aligned with the wing tip (use a tolerance of | 0.50 inch (12.7 mm)).

 S 862-035

 (9)  
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).

 S 092-036

 (10)
 Remove rig pin A3 or A4.

 I.  
Aileron PCA - Test

 S 862-037
 (1)  
Make sure these circuit breakers on the overhead panel, P11, are closed:

 (a)  
EICAS (6 locations)

 S 862-038
 (2)  Push the STATUS switch on the pilot's display select panel, P9, to show the aileron position indicator on the bottom EICAS display.
 S 862-002
 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.
 (3)  Supply pressure to the left, right, and center hydraulic systems (Ref 29-11-00).
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757 MAINTENANCE MANUAL
 S 212-039
 (4)  
Turn the control wheel to its full counterclockwise position and do these checks:

 (a)  
Make sure the left aileron moves up and the right aileron moves down.

 (b)  
Make sure the ailerons move smoothly through their full travel range.

 S 212-064
 (5)  
Turn the control wheel to its full clockwise position and do these checks:

 (a)  
Make sure the left aileron moves down and the right aileron moves up.

 (b)  
Make sure the ailerons move smoothly through their full travel range.

 S 222-040
 (6)
Move the control wheel to its neutral position and do this check:

 (a)  
Make sure the inboard trailing edge of the aileron is aligned with the outboard trailing edge of the main flap (use a tolerance of | 0.06 inch (1.5 mm)).

 S 212-041
 (7)  
Examine the PCA hydraulic connections for leaks.

 J.
Put the Airplane Back to Its Usual Condition

 S 862-042
 (1)  
Remove the power from the left, right, and center hydraulic systems (Ref 29-11-00).

 S 862-043

 (2)
Remove electrical power if it is not necessary (Ref 24-22-00).

 S 412-044

 (3)
Install the applicable PCA rod end fairings (Ref 06-44-00):

 (a)  
561DB (for the left inboard PCA)

 (b)  
561EB (for the left outboard PCA)

 (c)  
651DB (for the right inboard PCA)

 (d)  
661EB (for the left outboard PCA).

 S 412-045
 (4)  
Close these access panels (Ref 06-44-00):

 (a)  
561AB and 561CB (left wing)

 (b)  
661AB and 661CB (right wing).

 TASK 27-11-20-022-046
 4.  Aileron PCA Filter - Removal____________________________
 A. References
 (1)  06-44-00/201, Wing Access Doors and Panels
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757
MAINTENANCE MANUAL

 (2)  
24-22-00/201, Electrical Power - Control

 (3)  
29-11-00/201, Main (Left, RIght and Center) Hydraulic Systems

 B.
Access

 (1)  
Location Zones
　
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