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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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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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