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 OUTBOARD FLAP TRACK FAIRINGS - REMOVAL/INSTALLATION
___________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of an outboard flap track fairing.
 (1)  
The removal procedure has these parts:

 (a)  
The extension of the flaps

 (b)  
The removal of the access panels

 (c)  
The removal of the fixed fairing

 (d)  
The installation of the support equipment

 (e)  
The removal of the movable fairing.

 (2)  
The installation procedure has these parts:

 (a)  
A check of the parts which attach the fairing for worn areas

 (b)  
The installation of the movable fairing

 (c)  
The removal of the support equipment

 (d)  
An adjustment of the fairing

 (e)  
The installation of the fixed fairing

 (f)  
A retraction of the flaps

 (g)  
The installation of the access panels.

 TASK 27-51-31-004-001
 2.  Outboard Flap Track Fairing Removal___________________________________
 A.  Special Tools and Equipment
 (1)  
PF51-009-1 Fishpole Hoist, pneumatic powered, (2 are necessary) (preferred).

 (2)  
PF51-003-1 fishpole hoist, manual (optional to PF51-003-1).

 (3)  
PME65B00110-53 Flap Track Fairing Handling Dolly

 (4)  
OHME65B00110-53 Flap Track Fairing Bootstrap Clamp

 B.  
References

 (1)  
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),
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 401 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (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

 (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 the Removal

 S 864-002
 (1)  Do this task to pressurize hydraulic system No. 4: "Hydraulic System Pressurization" (Ref 29-11-00/201).
 S 864-028
 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.
 (2)  
Put the flap control lever in the 30-unit detent to extend the outboard flaps.

 S 864-004

 (3)  
Do this task to depressurize hydraulic system No. 4: "Hydraulic System Depressurization" (Ref 29-11-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-31
 ALL  ú ú 01 Page 402 ú Feb 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
　
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