28-22-14
ALL ú ú 04 Page 517 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FUEL SYSTEM EICAS INTERFACE CARDS MAIN AND SLAVE -
__________________________________________________ REMOVAL/INSTALLATION
____________________
1. General
_______
A. This procedure contains instructions to remove and install the fuel system EICAS interface card (FSEIC) main A14. Also, instructions are shown for the fuel system EICAS interface card (FSEIC) slave A15 installation and removal.
B. The cards are found in the M7852 fuel system card file.
C. You can get access to the card file through the left crawlway forward of the main equipment center.
TASK 28-22-15-004-001
2. FSEIC Main Removal (Fig. 401)
__________________
A. References
(1)
20-11-22/401, Rack-Mounted Electrical/Electronic Module
(2)
20-41-02/201, Electrostatic Discharge Sensitive Devices
(3)
IPC 28-15-60 Fig. 1
(4)
SSM 28-43-01
(5)
WDM 28-43-12, WDM 28-43-13, WDM 28-43-14
B.
Access
(1)
Location Zone 115 Area Between Nose Gear Well and Fuselage, Left
C.
Procedure
S 864-002
(1)
Open this circuit breaker and attach a DO-NOT-CLOSE tag:
(a)
P180 DC Power Distribution Panel 1) 180H17 FUEL SYS EICAS INTFC CONT
S 914-017
CAUTION: DO NOT TOUCH THE FSEIC MAIN BEFORE YOU DO THE PROCEDURE FOR
_______ DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FSEIC MAIN.
(2)
Do the procedure for devices that are sensitive to electrostatic discharge (Ref 20-41-02/201).
S 024-021
(3)
Remove the FSEIC main A14 from the fuel system card file (Ref 20-11-22/401).
TASK 28-22-15-404-004
3. FSEIC Main Installation (Fig. 401)
_______________________
A. References
(1) 20-11-22/401, Rack-Mounted Electrical/Electronic Module
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28-22-15
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FUEL SYSTEM CARD FILE
SEE A ELECTROSTATIC GROUND JACK
CARD A15 FUEL SYSTEM EICAS INTERFACE SLAVE
CARD A14 FUEL SYSTEM EICAS INTERFACE
FUEL SYSTEM CARD FILE
A
Fuel System EICAS Interface Card (FSEIC) Installation Figure 401
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28-22-15
ALL ú ú 01 Page 402 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(2)
20-41-02/201, Electrostatic Discharge Sensitive Devices
(3)
IPC 28-15-60 Fig. 1
(4)
SSM 28-43-01
(5)
WDM 28-43-12, WDM 28-43-13, WDM 28-43-14
B.
Access
(1)
Location Zone
115 Area Between Nose Gear Well and Fuselage, Left
C.
Procedure
S 914-018
CAUTION: DO NOT TOUCH THE FSEIC MAIN BEFORE YOU DO THE PROCEDURE FOR
_______ DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE FSEIC MAIN.
(1)
Do the procedure for devices that are sensitive to electrostatic discharge (Ref 20-41-02/201).
S 424-022
(2)
Install the FSEIC main in the fuel system card file at location A14 (Ref 20-11-22/401).
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