28-22-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
F26601
A
747-400
MAINTENANCE MANUAL
B. References
(1)
AMM 12-11-01/301, Fuel Servicing
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 28-22-16/401, Fuel System Card File
(4)
AMM 28-26-00/201, Defueling
(5)
AMM 31-61-00/501, Integrated Display System (IDS)
(6)
AMM 32-09-02/201, Air/Ground Relays
(7)
AMM 34-61-02/401, Control Display Unit
(8)
AMM 45-10-00/501, Central Maintenance Computer (CMC)
C.
Access
(1)
Location Zones
221 Control Cabin, Left
222 Control Cabin, Right
D.
Preconditions
S 865-493
(1)
These conditions are necessary for this task:
(a)
Fuel-Feed System serviceable.
(b)
A specific fuel quantity is necessary for this task.
(c)
Electrical Power On (AMM 24-22-00/201).
(d)
Fuel System Card File serviceable (AMM 28-22-16/401).
(e)
Fuel Quantity Indication System (FQIS) serviceable (AMM 28-41-00/501).
(f)
Integrated Display System (IDS) serviceable (AMM 31-61-00/501).
(g)
Airplane must be in the ground mode (AMM 32-09-02/201).
(h)
CDU installed (AMM 34-61-02/401).
(i)
Central Maintenance Computer (CMC) serviceable (AMM 45-10-00/201).
E.
Prepare for the Test
S 865-058
(1)
Use external ground power to supply the electrical power
(AMM 24-22-00/201).
S 865-110
(2)
Make sure the airplane is in the ground mode (the airplane is not jacked and the targets are not installed).
S 865-059
(3)
Make sure these circuit breakers are closed:
(a)
On the main power distribution panel, P6:
1) 6D5, FUEL QTY 1
2) 6D6, FUEL QTY 2
3) 6F5, FUEL SYS MGMT CARD A
4) 6F6, FUEL SYS MGMT CH1
5) 6F7, FUEL SYS MGMT CARD B
6) 6F8, FUEL SYS MGMT CH2
7) 6F20, FLT DK LIGHTS PILOTS MISC IND 2
8) 6F26, FLT DK LIGHTS F/O IND
9) 6F27, FLT DK LIGHTS F/O IND & DGTL DSPL
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-22-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
10) 6L14, FUEL XFEED VALVE ENG 1
11) 6L15, FUEL XFEED VALVE ENG 2
12) 6L16, FUEL XFEED VALVE ENG 3
13) 6L17, FUEL XFEED VALVE ENG 4
(b)
On the DC power distribution panel, P180:
1) 180M8, FUELING VALVE 2
2) 180M9, FUELING PWR - HOT BAT
3) 180C25, FUELING LTS PANEL
4) 180C26, FUELING LTS RECP
5) 180E2, FUEL OVRD/JTSN PMP CONT CTR L
6) 180E3, FUEL OVRD/JTSN PMP CONT FWD 2&3
7) 180E4, PUMP CONT BST 1 AFT 4 FWD
8) 180E18, FUEL OVRD/JTSN PMP CONT AFT 2&3
9) 180E19, PUMP CONT BST 1 FWD 4 AFT
10) 180H4, PUMP CONT BST 2 AFT 3 FWD
11) 180H17, FUEL SYS EICAS INTFC CONT
12) 180H18, FUEL OVRD/JTSN PMP CONT CTR R
13) 180H19, PUMP CONT BST 2 FWD 3 AFT
(c)
On the left power distribution center panel, P414:
1) 414A8, MAIN FWD BST PUMP 4
2) 414B5, MAIN AFT BST PUMP 1
3) 414C5, FUEL OVRD/JTSN PUMP FWD 3
4) 414C2, FUEL OVRD/JTSN PUMP FWD 2
5) 414D2, OVRD/JTSN PUMP CTR-L
6) 414E24, MN-AFT PUMP CONT BOOST 2
7) 414F17, FUELING VALVE
8) 414F22, FUELING PWR
9) 414J5, MAIN FWD BST PUMP 3
10) 414R18, MAIN AFT BST PMP 2
(d)
On the right power distribution center panel, P415: 1) 415A35, MAIN AFT BOOST PUMP 4 2) 415A38, FUEL OVRD/JTSN PUMP AFT 2 3) 415B35, MAIN FWD BOOST PUMP 1 4) 415B38, FUEL OVRD/JTSN PUMP AFT 3 5) 415G29, MAIN FWD BOOST PUMP 2 6) 415M29, MAIN AFT BOOST PUMP 3 7) 415M32, OVRD/JTSN PUMP CTR-R
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