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2.  Equipment and Materials
A.  Tape - Permacel P212HD (preferred) P621 (optional) 3M 367-FR (preferred), White (Ref 20-30-51)
3.  Remove Cargo Compartment Ceiling Lining Panels
A.  Remove miscellaneous equipment, compartment separator, interior light rims, anchorplates, etc., as necessary to remove ceiling lining panels.
B.  Remove cap strips. Use care to avoid bending (Fig. 401).
C.  Support ceiling lining panel, remove remaining screws, and separate velcro tape connections.
D.  Remove ceiling lining panel.
NOTE:  Check that rubber seal is not pulled loose from structure when panel is removed. Rubber seal is bonded to structure only.
Auxiliary heat shroud closure panels located above ceiling lining panels of forward cargo compartment may be removed at this time if access to areas above them is required. Inboard edges of auxiliary heat shroud closure panels are secured with lining fastenings. Remove outboard fasteners of auxiliary heat shroud closure panels to remove these panels.
528 
Feb 20/87  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-52-111 Page 401 

Cargo Compartment Ceiling Lining Panel Installation  528 
25-52-111  Figure 401 (Sheet 1)  May 15/70 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

528  Cargo Compartment Ceiling Lining Panel Installation 
May 15/70  Figure 401 (Sheet 2)  25-52-111 
Page 403 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Cargo Compartment Ceiling Lining Panel Installation  528 
25-52-111  Figure 401 (Sheet 3)  May 15/70 
Page 404 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

528  Cargo Compartment Ceiling Lining Panel Installation 
May 15/70  Figure 401 (Sheet 4)  25-52-111 
Page 405 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Cargo Compartment Ceiling Lining Panel Installation  528 
25-52-111  Figure 401 (Sheet 5)  May 15/70 
Page 406 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

4.  Install Cargo Compartment Ceiling Lining Panels
A.  Check that rubber seals are bonded to structure. Repair if necessary. Rubber seal is bonded to structure only.
B.  Check condition of tape on panels installed with tape. (See figure 401.)
NOTE:  If new panel is being installed or tape has been damaged, bind edges of lining panels with tape. Lap tape 0.50 inches wide on each side of panel, lay tape to be flat and free of wrinkles and folds.
C.  Locate ceiling lining panel in mounting position and support. (If auxiliary heat shroud panels above the forward cargo compartment have been removed they should be reinstalled at this time.)
NOTE:  If a blowout panel was removed with the ceiling panel, do not install blowout panel at this time.
D.  Replace cap strips and all screws, but do not tighten.
CAUTION:  CARE MUST BE TAKEN TO ENSURE THAT CEILING PANELS DO NOT EXTEND UNDER THE RUBBER SEAL STRIP OR OVERLAP AT SLIP JOINTS.
E.  Replace light rims.
F.  Remove supports and tighten all screws, starting at the center of panel and working out to the cap strips.
G.  Install miscellaneous equipment as applicable.
H.  If applicable, install blowout panel in ceiling. Refer to Pressurization Relief Valves, Chapter 21.
500 
Aug 15/69  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-52-111 Page 407 

CARGO COMPARTMENT SIDEWALL LINING - REMOVAL/INSTALLATION
1.  General
A.  The cargo compartment sidewalls are lined with fiberglass panels. When performing maintenance procedures, it may be necessary to remove all the panels or possibly only one. The procedures that are set forth in steps 3 and 4 are for removing and installing a typical panel.
B.  Screws securing the lining panels vary in length. Keep sizes separated and mark location to facilitate installation.
C.  The cargo compartments are limited pressure sealed compartments. Leakage across the interior surface must be held to a minimum. Seal all visible open holes, joggles and irregular metal surfaces where leakage may occur. All rubber seal joints must be butted to ensure minimum air leakage.
2.  Equipment and Materials
A.  Tape - Permacel P212HD (preferred) P621 (optional) 3M 367-FR (preferred), White, 3 inches (Ref 20-30-51)
　
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