FORWARD LAVATORY DOOR AND HEADER - REMOVAL/INSTALLATION
1. Remove Door and Header (See figure 401.)
A. Open door and remove screws attaching door hinge to control cabin entryway partition and remove door.
B. Remove lavatory ceiling panel attachment snap-in plug buttons and remove panel fasteners.
C. Remove screws attaching header to forward and aft support brackets and remove header.
D. If header is to be replaced, remove ceiling panel support brackets and retain for attachment to replacement header.
2. Install Door and Header (See figure 401.)
A. Position header and install screws to secure header to forward and aft support brackets. Do not tighten screws.
B. Install lavatory ceiling panel fasteners and snap-in plug buttons.
C. Tighten header forward and aft attachment screws.
D. Position door and install screws to secure hinge to aft edge of control cabin entryway partition.
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Aug 15/72 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-40-3 Page 401
Forward Lavatory Door and Header Installation 514
25-40-3 Figure 401 May 01/75
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FORWARD LAVATORY SIDEWALL PANEL - REMOVAL/INSTALLATION
1. General
A. The forward lavatory sidewall panel is contoured and shaped to enclose the outboard area between the top of the disposal cabinet and the outboard edge of the ceiling panel.
B. A passenger address speaker and gasper outlet are installed in the sidewall panel and must be removed before the panel is removed.
2. Prepare to Remove Sidewall Panel
A. Remove speaker panel attachment screws, disconnect speaker wiring and remove speaker (Ref Chapter 23, Communications).
B. Remove gasper air outlet attachment screws, disconnect outlet air supply and remove outlet (Ref Chapter 21, Air Conditioning).
C. Remove dispenser cabinet, if applicable (Ref 25-41-11).
D. Remove toilet back shroud (Ref 25-42-12).
3. Remove Sidewall Panel (Fig. 401)
A. Push dispenser cabinet electrical wiring through grommet to outboard side of panel.
B. Remove fasteners connecting water dam to the forward and aft partitions.
C. Remove panel fasteners at forward and aft panel edges and remove panel.
D. If trim strip removal is required, remove screws attaching trim strip to control cabin entryway partition support brackets and separate velcro tape.
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Oct 20/85 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 25-40-4 Page 401
Forward Lavatory Sidewall Panel Installation 502
25-40-4 Figure 401 (Sheet 1) Oct 20/85
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502 Fprward Lavatory Sidewall Panel Installation
Oct 20/85 Figure 401 (Sheet 2) 25-40-4
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4. Install Sidewall Panel (Fig. 401)
A. If removed, install trim strip.
B. Position panel to insert in trip strip and align with attachment brackets on forward and aft partitions.
C. Thread dispenser cabinet electrical wiring through grommet to inboard side of panel.
D. Install panel fasteners at forward and aft panel edges.
E. Install fasteners connecting water dam to the forward and aft partitions.
5. Restore Airplane to Normal
A. Install toilet back shroud (Ref 25-42-12).
B. Install dispenser cabinet (Ref 25-41-11).
C. Install speaker (Ref Chapter 23, Communications).
D. Install gasper air outlet (Ref Chapter 21, Air Conditioning).
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25-40-4 Page 404 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Oct 20/85
FORWARD LAVATORY CEILING PANEL - REMOVAL/INSTALLATION
1. General
A. The triangular shaped forward lavatory ceiling panel is secured to support brackets attached to the lavatory partition (forward wall) and the door header.
B. On ALL EXCEPT ATI Interior Airplanes, an oxygen service unit is installed in the ceiling panel and must be disconnected before the panel is completely removed. Partially lowering the ceiling panel and disconnecting the service unit connection precludes opening the service unit and disturbing the oxygen masks.
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