S 824-062

 (4)  
Do this task: "Outboard Flap Track Fairing Adjustment" (Ref Paragraph 12).

 TASK 27-51-45-824-044
 12. Outboard Flap Track Fairing Adjustment______________________________________
 A.  Special Tools and Equipment
 (1)  
G27017 Fairing No. 1 and 8 Door Rigging Bar

 B.  
References

 (1)  
27-51-31/401 Outboard Flap Track Fairings

 (2)  
29-11-00/201, Main Hydraulic Supply System

 C.  
Access

 (1)  
Location Zone 567 Outboard Flap Track Fairing, Outboard Flap, LH, (Track No. 1) 565 Inboard Flap Track Fairing, Outboard Flap, LH, (Track No. 2) 665 Inboard Flap Track Fairing, Outboard Flap, RH, (Track No. 7)

 667  Outboard Flap Track Fairing, Outboard Flap, RH, (Track No. 8)

 (2)  
Access Panel

 (a)  
On Track No. 1 567BB Outbd Flap Track Fairing, Outbd Flaps 567CB Movable Flap Track Fairing, Outbd Flaps 567DB Movable Flap Track Fairing, Outbd Flaps 567EB Movable Flap Track Fairing, Outbd Flaps

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-45
 ALL  ú ú 03 Page 420 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
On Track No. 2 565BB Inbd Flap Track Fairing, Outbd Flaps 565CB Movable Flap Track Fairing, Outbd Flaps 565DB Movable Flap Track Fairing, Outbd Flaps 565EB Movable Flap Track Fairing, Outbd Flaps

 (c)  
On Track No. 7 665BB Inbd Flap Track Fairing, Outbd Flaps 665CB Movable Flap Track Fairing, Outbd Flaps 665DB Movable Flap Track Fairing, Outbd Flaps 667EB Movable Flap Track Fairing, Outbd Flaps

 (d)  
On Track No. 8 667BB Outbd Flap Track Fairing, Outbd Flaps 667CB Movable Flap Track Fairing, Outbd Flaps 667DB Movable Flap Track Fairing, Outbd Flaps 667EB Movable Flap Track Fairing, Outbd Flaps

 D.
Prepare for Adjustment

 S 014-063
 (1)  
Remove the applicable access panels:
 567BB, 567CB, 567DB, and 567EB from track No. 1
 565BB, 565CB, 565DB, and 565EB from track No. 2
 665BB, 665DB, 665DB, and 665EB from track No. 7
 667BB, 667CB, 667DB, and 667EB from track No. 8.

 S 864-045

 (2)  
Do this task to pressurize hydraulic system No. 4: "Hydraulic System Pressurization" (Ref 29-11-00/201).

 S 864-064
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
 CAUTION:_______MONITOR THE FLAP MOVEMENT CAREFULLY. THE FLAPS CAN BE DAMAGED BY INCORRECTLY ADJUSTED COMPONENTS.
 (3)  Remove the DO-NOT-MOVE tag and put the flap control lever in the UP detent to retract the outboard flaps.
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 27-51-45
 ALL  ú ú 01 Page 421 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 864-046
 (4)  
Do this task to depressurize hydraulic system No. 4: "Hydraulic System Depressurization" (Ref 29-11-00/201).

 S 224-047

 (5)  
On fairings No./1 and 8, do this task to make sure the doors on the fairings are adjusted correctly: "Outboard Flap Track Fairing Installation" (Ref 27-51-31/401).

 E.  
Adjust the Outboard Flap Track Fairing

 S 824-048
 (1)  
Adjust the support linkage (Fig. 402).

 (a)  
Adjust the length of the adjustable rod to get the lateral dimension shown in Section C-C: 1) Use a piece of tape with two marks to measure the

 dimension.
 a) On fairings No. 1 and 8, the marks must be 1.65 inches

 (41.9 mm) apart. b) On fairings No. 2 and 7, the marks must be 1.31 inches
　
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