747-400 AMM 飞机维护手册 NACELLES/PYLONS(87)

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 D.  Fairings may be removed by removing countersunk screws attaching fairings to the nacelle strut. Aerodynamic smoothness must be checked, and adjusted if necessary, after installing fairings.
 E.  Access panels are installed on some fairings. For description of access panels, refer to 54-62-00/001.
 F.  On some fairings, a bulb seal is installed to seal between the fairing
 and the nacelle strut.Forward Fairings
________________
 A.  The forward fairing consists of four separate fairings which extend along the forward edge of the nacelle strut from the engine inlet cowl to the wing leading edge.
 B.  Forward fairings are numbered front to rear, with forward fairing No. 1 above the inlet cowl, and forward fairing No. 4 forward of the wing leading edge.
 C.  The forward fairings are constructed of bonded aluminum honeycomb
 material.Thrust Reverser-to-Strut Fairings
_________________________________
 A.  The thrust reverser-to-strut fairings cover strut skin attached to the forward end of the nacelle strut torque box.
 B.  Thrust reverser-to-strut fairings are constructed of either bonded
 aluminum honeycomb material or injection/compression molded plastic.Strut-to-Wing Fairings
______________________
 A.  The underwing fairing and skirt beam provide a smooth aerodynamic flow transition under the wing.
 B.  The trailing edge fairing doors are mounted on hinges attached to the skirt beam.
 C. Strut-to-wing fairings are of aluminum skin and frame construction.Aft Fairings
____________
 A.  On inboard nacelle struts, the aft fairing consists of forward and aft segments. On outboard nacelle struts, the aft fairing is one piece.
 B.  The aft fairings are constructed of bonded aluminum honeycomb material and are fastened by screws to an angle chord attached to the lower wing surface.
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 54-61-00
 ALL  ú ú 02 Page 1 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
UNDERWING
FAIRINGFORWARD
THRUST REVERSER-TO-STRUT FAIRINGS

INBOARD NACELLE STRUT FAIRINGS
Nacelle Strut Fairings
Figure 1

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 54-61-00
 ALL  ú ú 02 Page 2 ú Feb 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 AFT THRUST REVERSER-TO-STRUT FAIRING PANEL NO. 3 - REMOVAL/INSTALLATION
_______________________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks:
 (1)  
The removal of the the outboard aft thrust reverser-to-strut fairing panel No. 3.

 (2)  
The installation of the outboard aft thrust reverser-to-strut fairing panel No. 3.

 B.  The installation procedure has special fastener installation instructions to prevent cracks to the panel.
 TASK 54-61-01-004-001
 2.  Outboard Aft Thrust Reverser-to-Strut Fairing Panel No. 3 Removal (Fig. 401)_________________________________________________________________
 A.  Access
 (1)  Location Zone
 452 Nacelle Strut 1 - Torque Box
 462 Nacelle Strut 2 - Torque Box
 472 Nacelle Strut 3 - Torque Box
 482 Nacelle Strut 4 - Torque Box

 B.  Procedure
 S 024-002
 (1)  Remove the fairing panel No. 3.
 (a)  
Remove the fasteners that attach the fairing panel No. 3.

 (b)  
Remove the fairing panel No. 3.

 TASK 54-61-01-404-003
 3.  Outboard Aft Thrust Reverser-to-Strut Fairing Panel No. 3 Installation______________________________________________________________________ (Fig. 401)
 A.  Access
 (1)  Location Zone
 452 Nacelle Strut 1 - Torque Box
 462 Nacelle Strut 2 - Torque Box
 472 Nacelle Strut 3 - Torque Box
 482 Nacelle Strut 4 - Torque Box

 B.  Procedure
 S 424-004
　
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