25-55-01
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 BULK CARGO COMPARTMENT CEILING AND SIDEWALL LININGS -
_____________________________________________________ REMOVAL/INSTALLATION
____________________
 1.  General_______
 A.  This procedure has four tasks. The first task gives instructions to remove the ceiling linings in the bulk cargo compartment. The second task gives instructions to install the ceiling linings. The third task gives instructions to remove the sidewall linings in the bulk cargo compartment. The fourth task gives instructions to install the sidewall linings.
 TASK 25-55-02-004-035
 2.  Ceiling Linings Removal (Fig. 401)_______________________
 A.  References
 (1)  
25-55-01/401, Bulk Cargo Compartment Cargo Nets

 (2)  
52-36-00/001, Bulk Cargo Door

 B.  Access
 (1)  Location Zones
 145 Bulk Cargo Compartment, Left
 146 Bulk Cargo Compartment, Right

 C.  Prepare for the Removal
 S 014-051
 (1)  
Open the bulk cargo door (Ref 52-36-00/001).

 S 014-052

 (2)  
Remove the cargo restraint nets to get access to the linings (Ref 25-55-01/401).

 D.  Remove the Ceiling Linings
 S 034-002
 (1)  
Remove the tape from the lining and discard it.

 (2)  
Remove the screws from the lining.

 S 034-003
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747-400
MAINTENANCE MANUAL

CEILING LINING 
PANEL (TYP) 
SEE  D 
(TYP) 
A 
A 
SEE  C 
SEE  A  (TYP) 
(TYP)  SEE  B 
(TYP)  SIDEWALL LINING 
PANELS (TYP) 
BULK CARGO 
COMPARTMENT 
DOOR (REF) 

VACUUM WASTE TANK (REF)
CARGO DIVIDER
RESTRAINT NET (REF)
NET (TYP)
FWD
Bulk Cargo Compartment Ceiling Lining Installation
Figure 401 (Sheet 1)

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747-400
MAINTENANCE MANUAL

PANEL LINING  STRUCTURE 
NUTPLATE 
TAPE 
STRUCTURE 
NUTPLATE FWD  A PANEL LINING  TAPE  PANEL LINING  SCREW ATTACHING  PANEL LINING 
TAPE  STRUCTURE  TAPE  FWD 
TAPE  PANEL LINING  B  STRUCTURE 
NUTPLATE 
NUTPLATE 
PANEL LINING  TAPE 
FWD  C  TAPE  PANEL LINING SUPPORT LINER  D TAPE  FWD 
FASTENER 
STRUCTURE 
A-A 
Figure 401 (Sheet 2) Bulk Cargo Compartment Ceiling Lining Installation 

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747-400 MAINTENANCE MANUAL
 S 024-004
 (3) Remove the lining from the structure.
 TASK 25-55-02-404-005
 3.  Ceiling Linings Installation (Fig. 401)____________________________
 A. Consumable Materials
 (1)
G00033 Cheesecloth, BMS 15-5

 (2)
Solvent

 NOTE: You can use one of these solvents:
____
 (a)
B00111 Freon TF

 (b)
B00093 Tetrachlorethylene O-T-236

 (c)
　
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