S 024-004
(3)
Remove the card A6 from the fuel system card file
(AMM 20-11-22/401).
TASK 28-22-14-404-005
3. Valve Position Logic Card A6 Installation (Fig. 401)
_________________________________________
A. References
(1)
AMM 20-11-22/401, E/E Rack-Mounted Module
(2)
AMM 20-41-02/201, Electrostatic Discharge Sensitive Devices
(3)
AIPC 28-15-60 Fig. 1
(4)
SSM 28-16-02, SSM 28-21-07 Sht. 1, SSM 28-22-01, SSM 28-22-02, SSM 28-31-01, SSM 28-31-03
(5)
WDM 28-16-12, WDM 28-22-11, WDM 28-22-21, WDM 28-31-11, WDM 28-31-13
B.
Access
(1)
Location Zone 115 Area Between Nose Gear Well and Fuselage, Left
C.
Procedure
S 914-037
WARNING: DO NOT TOUCH THE CARD BEFORE YOU DO THE PROCEDURE FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE CARD.
(1)
Do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-02/201).
S 424-027
(2)
Install the card in the fuel system card file at location A6 (AMM 20-11-22/401).
S 864-007
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
On the main power distribution panel, P6: 1) 6D18, JTSN NOZZLE VLV CONT L
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28-22-14
ALL ú ú 12 Page 402 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FUEL SYSTEM CARD FILE
ELECTROSTATIC SEE A GROUND JACK
CARD A12 CARD A11
CARD A9 CARD A6
FUEL SYSTEM CARD FILE
A
Valve Position Logic Card Installation Figure 401
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28-22-14
ALL ú ú 01 Page 403 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
2) 6E17, CTR R & MAIN 2 JTSN VLV 3) 6G1, FUEL SHUTOFF VALVE ENG 1 4) 6L14, FUEL XFEED VALVE ENG 1
(b)
On the overhead circuit breaker panel, P7: 1) 7H22, FUEL XFER VALVE RES 2A & 3A
(c)
On the DC power distribution panel, P180: 1) 180B2 or 180M9, FUELING LTS - HOT
or FUELING PWR - HOT BAT 2) 180C25, FUELING LTS PANEL 3) 180C26, FUELING LTS RECP
(d)
On the left power distribution center, P414: 1) 414F22, FUELING PWR
S 724-043
(4) Do this Task: Valve Position Logic Card A6 Operational Test (AMM 28-22-14/501).
TASK 28-22-14-004-008
4. Valve Position Logic Card A9 Removal (Fig. 401)____________________________________
A. References
(1)
AMM 20-11-22/401, E/E Rack-Mounted Module
(2)
AMM 20-41-02/201, Electrostatic Discharge Sensitive Devices
(3)
AIPC 28-15-60 Fig. 1
(4)
SSM 28-16-01, SSM 28-16-02, SSM 28-21-07 Sht. 1, SSM 28-22-01, SSM 28-22-02, SSM 28-31-01
(5)
WDM 28-16-11, WDM 28-16-13, WDM 28-16-14, WDM 28-22-11, WDM 28-22-22, WDM 28-31-11
B.
Access
(1)
Location Zone 115 Area Between Nose Gear Well and Fuselage, Left
C.
Procedure
S 864-009
(1)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 燃油 FUEL 3(58)
