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33-26-06
ALL ú ú 04 Page 404 ú Oct 10/94
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A
747-400 MAINTENANCE MANUAL
LAVATORY INFORMATION SIGNS - REMOVAL/INSTALLATION
_________________________________________________
1. General_______
A. This procedure has these tasks:
(1)
LOCK DOOR Sign - Removal
(2)
LOCK DOOR Sign - Installation
(3)
RETURN TO SEAT Sign - Removal
(4)
RETURN TO SEAT Sign - Installation
TASK 33-26-07-004-001
2. LOCK DOOR Sign - Removal (Fig. 401)________________________
A. References
(1) SSM 33-26-01 thru 33-26-02
B. Access
(1) Location Zone
200 Upper Half of Fuselage
C. Sign Removal
S 864-038
(1) Remove electrical power from the sign:
(a) Open each applicable circuit breaker and attach the DO-NOT-CLOSE tag: 1) On the DC power distribution panel, P180.
S 014-003
(2)
Open the dispenser door.
S 034-004
(3)
Remove the sign fasteners.
(4)
Disconnect the wires from the sign assembly terminals.
(5)
Remove the sign assembly.
S 034-005
S 024-006
TASK 33-26-07-404-007
3. LOCK DOOR Sign - Installation_____________________________
A. References
(1) AMM 24-22-00/201, Manual Control
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33-26-07
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SEE A
SEE B
LAVATORY (TYPICAL)
LIGHT ASSEMBLY LIGHT ASSEMBLY LOCK DOOR SIGN RETURN TO SEAT SIGN
A B
Lavatory Information Signs Installation Figure 401 (Sheet 1)
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33-26-07
ALL ú ú 01 Page 402 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FLT DECK DOOR
NO SMOKING
LKD w
UNLKD w
SEATBELTS
AUTO
AUTO
OFF
ON
PASS SIGNS
C
Lavatory Information Signs Installation
Figure 401 (Sheet 2)
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33-26-07
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ú 01 Page 403
ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2) SSM 33-26-01 thru 33-26-02
B. Access
(1) Location Zone
200 Upper Half of Fuselage
C. Sign Installation
S 434-008
(1)
Connect the electrical wires to the replacement sign assembly.
S 424-009
(2)
Put the sign assembly in its position.
S 434-010
(3)
Install the fasteners in the sign assembly.
S 414-011
(4)
Close the dispenser door.
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