C.  Remove forward or aft cap strip if needed.
(1)  
Remove screws from cap strip.

(2)  
Lift cap strip from place.

D.  Remove doorway scuff plate if needed.
(1)  
Remove screws from scuff plate. 

(2)  
Lift scuff plate from place.

E.  Remove all screws from deck panel.
F.  Pull deck panel free of tape.
CAUTION: CARE SHOULD BE TAKEN NOT TO BEND DECK PANEL.
G.  Lift deck panel from place.
500 
May 01/98  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-52-51 Page 401 

3.  Prepare for Installation
A.  Remove old tape from deck support structure, deck panel, cap strips, and splice straps as required.
B.  Remove old sealant and clean sealed areas as described in Seals and Sealing, Chapter 51.
C.  Apply new tape to deck support structure, deck panel, outboard cap strips and splice straps as shown in Sections B-B, D-D, E-E, F-F, G-G, H-H, J-J, K-K, L-L, M-M, N-N, and P-P.
4.  Install Typical Cargo Compartment Deck Panel (Fig. 401).
A.  Put deck panel in place.
B.  Install all screws except those that hold cap strips, splice plates, and scuff plates. 
C.  Seal gap that is covered by doorway scuff plate as described in Seals and Sealing, Chapter 51, if scuff plate was removed.
D.  Install doorway scuff plate if it was removed.
(1)  
Put scuff plate in place.

(2)  
Install screws that hold scuff plate.

E.  Install forward or aft cap strip if it was removed.
(1)  
Put cap strip in place.

(2)  
Install screws that hold cap strip.

F.  Install outboard cap strip or cap strips as applicable.
(1)  
Put cap strip in place.

(2)  
Install screws that hold cap strip.

G.  Install splice plate or splice plates as applicable.
(1)  
Put splice plate in place.

(2)  
Install screws that hold splice plate.

H.  Seal gaps and holes as described in Seals and Sealing, Chapter 51.
NOTE:  Gaps around tiedown track bosses and at the end of splice straps and any other gaps or holes that would allow air leakage must be sealed. The compartment must be virtually airtight to meet the requirements of a Class D cargo compartment. Edges of the cap strips and scuff plates need not be sealed.
500 
25-52-51 Page 402  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/87 

500  Cargo Compartment Deck Panel Installation 
Aug 15/68  Figure 401 (Sheet 1)  25-52-51 
Page 403 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Cargo Compartment Deck Panel Installation  500 
25-52-51  Figure 401 (Sheet 2)  Feb 20/87 
Page 404 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

500  Cargo Compartment Deck Panel Installation 
Feb 20/87  Figure 401 (Sheet 3)  25-52-51 
Page 405 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Cargo Compartment Deck Panel Installation  500 
25-52-51  Figure 401 (Sheet 4)  Feb 20/87 
Page 406 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

500  Cargo Compartment Deck Panel Installation 
Feb 20/87  Figure 401 (Sheet 5)  25-52-51 
Page 407 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

CARGO COMPARTMENT LINING AND INSULATION - DESCRIPTION AND OPERATION
1.  General
A.  The cargo compartment bulkheads, ceilings and sidewalls are lined with fiberglass or aluminum alloy panels and the compartments are furnished with thermal insulation. (See figure 1.)
2.  Lining
A.  The compartment ceilings and sidewalls are lined with fiberglass panels which are held in place by depressor and cap strips. The cap strips are fastened to the supporting structure by screws. The space between the panel edges and the depressor strips or between the panel edges and the airplane structure is sealed with rubber strips which are cemented to the depressor strips or to the structure. Small cork pads are cemented to the structure where screws pass through panels and cap strips at places that are not at panel edges.
B.  The forward cargo compartment forward bulkhead is lined with aluminum alloy panels. Two of the panels are riveted in place and three are held by quarter-turn fasteners, which are spaced around the panel edges. A plastic or sheet metal grille covers the blowout panel opening.
　
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