B.
References
(1)
IPC 52-32-13 Fig. 1
(2)
SSM 52-32-01
(3)
WDM 52-32-21
C.
Access
(1)
Location Zone
261 Main Deck STA 1720 To STA 2040, LH
(2)
Access Panels
836L Door - Main Deck Cargo
D.
Install the control panel (Fig. 401).
S 424-010
(1)
Install the control panel.
S 434-011
(2)
Connect the electrical power DX210 cable plug to the control panel receptacle.
S 864-012
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers for the side cargo door:
(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
S 724-013
(4) Do these steps to check the installation procedure:
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE AWAY FROM THE
_______ DOOR AND THE DOOR OPENING WHEN YOU OPERATE THE DOOR. FAILURE OF THE LIFT MECHANISM COULD CAUSE THE DOOR TO CLOSE QUICKLY WHICH COULD CAUSE INJURY OR DAMAGE.
CAUTION:_______IN CASE THE DOOR DOES NOT OPEN, STOP IMMEDIATELY. DO NOT OPERATE THE DOOR CONTROL SWITCH. HOLDING THE DOOR CONTROL SWITCH MAY DAMAGE THE ACTUATOR. WAIT AT LEAST 1 MINUTE BEFORE SECOND ATTEMPT. IF THE DOOR STILL DOES NOT OPEN, WAIT AT LEAST 10 MINUTES BEFORE THIRD ATTEMPT.
(a) Open the side cargo door until the hook pin disengages, then use the inside or outside control switch to return the door to the closed position.
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52-32-13
ALL ú ú 02 Page 405 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
(b) (c) Make sure the latch, hook and lift mechanisms operate correctly when you open and close the door.Use the other control switches to open and close the door again.
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52-32-13
ALL ú ú 02 Page 406 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CONTROL SWITCH - REMOVAL/INSTALLATION
_____________________________________
1. General
_______
A. This procedure contains two tasks:
(1)
The removal of the control switch for the side cargo door.
(2)
The installation of the control switch for the side cargo door.
B.
You can use these tasks for removal and installation of the internal and the external control switches.
TASK 52-32-14-004-001
2. Remove the Control Switch
_________________________
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 Switch (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
S 014-003
(2)
Remove the access panel from the control box to get access to the switch terminals.
(3)
Disconnect the wires at the switch terminals.
S 034-004
NOTE: Make sure you identify each wire with a label for correct
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