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A
747-400 MAINTENANCE MANUAL
CONTROL PANEL - REMOVAL/INSTALLATION
____________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the control panel for the side cargo door.
(2)
The installation of the control panel for the side cargo.
TASK 52-32-13-004-001
2. Remove the Control Panel________________________
A. References
(1)
IPC 52-32-13 Fig. 1
(2)
SSM 52-32-01
(3)
WDM 52-32-21
B.
Access
(1)
Location Zone
261 Main Deck STA 1720 To STA 2040, LH
(2)
Access Panels
836L Door - Main Deck Cargo
C.
Remove the control panel (Fig. 401).
S 864-002
(1)
Open these circuit breakers for the side cargo door and attach DO-NOT-CLOSE tags:
(a)
P415 Power Distribution Center - Right 1) 415F17 SIDE CARGO DOOR CONT
(b)
P715 Aux/Ext No. 2 Power Center
1) SIDE CARGO DOOR PWR
(2)
Disconnect the electrical power cable DX210 from the control panel.
S 094-014
(3)
Install protector caps on the cable and put the cable in a safe location.
S 024-004
(4)
Remove the control panel from the window plug assembly as follows:
(a)
Disconnect the plug bonding jumper from the window frame forging (View B-B).
(b)
Remove the spring clips (View C-C).
S 034-003
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A
747-400
MAINTENANCE MANUAL
FWD
Side Cargo Door Control Panel
Figure 401 (Sheet 1)
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WINDOW PLUG ASSEMBLY
EXTERNAL SKIN
SPRING CLIP (10 LOCATIONS)
INTERNAL CONTROL PANEL
A
747-400 MAINTENANCE MANUAL
WINDOW FRAME A
C
WINDOW
C
FRAME
B BONDING JUMPER B
INTERNAL CONTROL PANEL
ELECTRICAL INTERNAL
A POWER CONTROL
CABLE PANEL
INBD
INTERNAL VIEW
A
PLUG ASSEMBLY
EXTERNAL CONTROL PANEL
DOOR
A-A
EXTERNAL VIEW
B
Side Cargo Door Control Panel Figure 401 (Sheet 2)
WINDOW PLUG ASSEMBLY
EXTERNAL CONTROL PANEL
PLUG ASSEMBLY
SEE C
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A
747-400 MAINTENANCE MANUAL
PLUG ASSEMBLY
PLUG ASSEMBLY
PLUG
BONDING
BOLT CONTROL PANEL BONDING JUMPER
INBD
PLUGEXTERIOR
ASSEMBLY
SKIN B-B SPRING CLIP (10 LOCATIONS)
C-C SKIN EXTERIOR
Figure 401 (Sheet 3) Side Cargo Door Control Panel
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