(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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747-400 MAINTENANCE MANUAL
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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本文链接地址：747-400 AMM 飞机维护手册 EQUIPMENT/FURNISHINGS 2(142)
