(5)  
Remove the screws and washers that attach the horizontal cover strips to the lower sidewall panel.

 S 034-139

 (6)  
Remove the screws and washers that attach the vertical cover strips to the lower sidewall panel.

 S 024-140

 (7)  
Remove the lower sidewall panel.

 S 034-141

 (8)  
Remove the screws and washers that attach the vertical cover strips to the upper sidewall panel.

 S 024-142

 (9)  
Remove the upper sidewall panel.

 D. Remove the Main Deck Dado Panels
 S 034-143
 (1)  Disconnect the electrical connectors if they are applicable.
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 S 034-144
 (2)  
Remove the seals that are between the dado panel and the floor panel.

 S 034-145

 (3)  
Remove the screws and washers that attach the dado panel to the lower sidewall panel.

 S 024-146

 (4)  
Remove the dado panel.

 E. Remove the Main Control Station Panel
 S 034-147
 (1)  
Remove the screws and washers that attach the cover strips to the main control station panel.

 S 034-148

 (2)
Remove the interphone unit from the main control station panel.

 S 034-149

 (3)  
Remove the screws that attach the control panels and the intercom panel to the main control station panel.

 S 034-150

 (4)  
Disconnect the electrical connectors and install the caps on them.

 S 034-151

 (5)  
Remove the control panels and the intercom panel.

 S 034-153

 (6)  
Remove the quick-release fastenres from the main control station panel.

 S 024-154

 (7)  
Remove the main control station panel.

 F. Remove the Main Deck Ceiling Panels
 NOTE: There are different types of main deck ceiling panels, but the
____ basic removal for these panels are the same. Only do the steps that are necessary to remove the applicable panel.
 S 864-157
 CAUTION: BE CAREFUL WHEN YOU TOUCH THE PANELS AND INSULATION BLANKETS.
_______ THESE ITEMS CAN GET DAMAGED OR TORN. IF YOU USE A LADDER OR SUPPORT EQUIPMENT , REFER TO AMM 20-09-01/201, FLOOR PANEL PROTECTION, TO PREVENT FLOOR PANEL DAMAGE.
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747-400
MAINTENANCE MANUAL

 (1)  Open the circuit breakers for the applicable ceiling panel and attach DO-NOT-CLOSE tags:
 (a)  On the P415 Power Distribution Center Right Panel
 S 034-155
 (2)  
Remove the screws and washers that attach the light fixture to the ceiling panel if it is applicable.

 S 034-158

 (3)  
Remove the screws and washers that attach the decompression vent grill to the ceiling panel if it is applicable.

 S 024-221

 (4)  
Remove the screws and washers that attach the smoke detection panel to the ceiling panel if it is applicable.

 S 014-209

 (5)  
Remove the screws and washers that attach the access panel to the ceiling panel if it is applicable.

 S 034-160

 (6)  
Disconnect the electrical connectors above the ceiling panel if they are applicable.

 S 034-161

 (7)  
Remove the screws and washers that attach the cover strips to the ceiling panel.

 S 034-162

 (8)  
While you hold the ceiling panel, remove the screws and washers from the ceiling panel.

 S 024-163

 (9)  
Remove the ceiling panel.

 G. Remove the Aft Pressure Bulkhead Cargo Lining Panels
 S 034-165
 (1)  Remove the screws and the horizontal cover strips that attach the lower and the upper pressure bulkhead panels.
　
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