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时间:2011-04-15 08:32来源:蓝天飞行翻译 作者:航空
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 C.  Procedure
 S 216-003
 (1)  
Examine the floor panels, the walkways, and the tiedown fittings for cracks, corrosion or loose fasteners.

 S 216-004

 (2)  
Examine the surface of the walkways for damage.


 (a)  Do this task to repair the surface of the walkways: "Nonskid Surface" (Ref 51-24-09/701).
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 53-21-03
 ALL  ú ú 01 Page 601 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 E/E BAY ACCESS PANEL, MAIN DECK - REMOVAL/INSTALLATION
______________________________________________________
 1.  General_______
 A.  This procedure contains instructions for the removal and the installation of the E/E bay access panel in the main deck floor. This procedure also contains instructions for the opening and closing of the E/E bay access panel safety net.
 (1)  
You will do these steps to remove the access panel:

 -
Remove the carpet which is on the panel

 -
Remove the panel.

 

 (2)  
Remove the panel.

 (3)  
You will do these steps to install the access panel:

 -
Install the panel

 -
Install the carpet.

 

 (4)  
Install the panel.


 B.  The electronic equipment bay access door is located approximately 3 feet outboard of the airplane centerline at body station 420, below the carpet.
 C.  The electronic equipment bay access door is located approximately 3 feet outboard of the airplane centerline at body station 420.
 TASK 53-21-05-004-001
 2.  E/E Bay Access Panel Removal____________________________
 A.  References
 (1)  AIPC 53-21-75, Fig. 2
 B.  Access
 (1)  Location Zone
 212 Forward Cabin, Nose to Body Station 450.

 C.  Procedure
 S 034-009
 (1)  If the carpet is not cut out for the panel access, remove the carpet.
 (a)  Loosen the carpet from the seam at the forward edge of No. 1 main entry door.
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 53-21-05
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL


LOWER LATCH HANDLE
A-A
Electrical/Electronics Bay Access Panel Installation

Figure 401

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 53-21-05
 ALL  ú ú 01 Page 402 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

BULKHEAD 
SEE  A  A 
INTERCOSTAL 

A
SAFETY NET
INTERCOSTAL
BEAM
FWD
A
INTERCOSTAL 
SCREW  INTERCOSTAL 
(2 LOCATIONS) 
STRAP 
NET WEBBING  FITTING 
NET FITTING 

ANCHOR PLATE SCREW (2 LOCATIONS)
A-A
Electrical/Electronics Bay Access Panel Safety Net Installation Figure 402
L08881
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 ALL  ú ú 01 Page 403 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  Pull the carpet back where it is necessary (AMM 25-27-01/401).
 S 024-003
 (2)  Remove the panel.
 (a)  Pull the cover that reads PULL.
 NOTE: The word PUSH will come into view on the trigger.
 
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