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 (c) (d)  Lock the latch.Make sure you can push the latch bolt up from 0.01 to 0.03 inch.
 (e)  1) Change the shim below the face of the latch if it is necessary to get this dimension.Make sure the latch has a minimum overlap of 0.25 inch.
 S 224-010
 (4)  Examine the clearances around the door. (a) Make sure there is from 0.03 and 0.09 inch between the edges of the door and the fuselage. (b) Remove material from the door if it is necessary to get the correct dimension.
 (c)  If you remove material, paint the area with Alodine (Ref 51-21-04/701).
 S 224-011
 (5)  See that the door aligns with the fuselage in less than 0.03 inch.
 S 724-014
 (6)  Open and close the door to make sure it operates correctly.

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 52-49-06
 ALL  ú ú 01 Page 403 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 VACUUM FLUSH SYSTEM LAVATORY SERVICE DOOR - REMOVAL/INSTALLATION
________________________________________________________________
 1. General
_______
 A. This procedure contains two tasks:
 (1)  
The removal of the service door for the lavatory vaccuum flush system

 (2)  
The installation of the service door for the lavatory vaccuum flush system.

 TASK 52-49-07-004-001
 2. Vaccuum Flush System Lavatory Service Door Removal (Fig. 401)
__________________________________________________
 A. References
 (1)  
IPC 38-32-55-01 Fig.01

 B.
Access

 (1)  
Location Zone
 147 Area Below Bulk Cargo Compartment, LH
 148 Area Below Bulk Cargo Compartment, RH

 C.
Procedure

 S 024-010
 (1)  
Remove the door.

 (a)  
Remove the bonding jumper from the hinge.

 (b)  
Remove the bolts from the hinges.

 (c)  
Remove the door from the airplane.

 TASK 52-49-07-404-003
 3. Vaccuum Flush System Lavatory Service Door Installation (Fig. 401)
_______________________________________________________
 A. References
 (1)  
51-24-04/701, Abrasion-Resistant Teflon Coating

 (2)  
IPC 38-32-55-01 Fig.01

 B.
Access

 (1)  
Location Zone
 147 Area Below Bulk Cargo Compartment, LH
 148 Area Below Bulk Cargo Compartment, RH

 

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 52-49-07
 ALL  ú ú 01 Page 401 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400 MAINTENANCE MANUAL 
SEE  A 
LAVATORY SERVICE DOOR  A  LATCH (3 LOCATIONS) 
A  HINGE 

PAN  BODY STRUCTURE
A
LATCH
0.31 INCH MINIMUM
BODY STRUCTURE
A-A
Vacuum Flush System Lavatory Service Door Figure 401
K24157
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 52-49-07
 ALL  ú ú 03 Page 402 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 C. Procedure
 S 424-011
 (1)  
Install the door.

 (a)  
Connect the door to the hinges with the bolts, the nuts and the washers.

 (b)  
Connect the bonding jumper to the door.

 (c)  
See that the door moves freely and easily around its hinges.

 S 214-017
 (2)  
Examine the bracket and bumpers.

 (a)  
Make sure the brackets and bumpers are in the correct position and are not damaged.

 NOTE: If the bumper is in the wrong position or damaged,
　
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