C.
Preconditions

 S 865-120
 (1)  
These conditions are necessary for this task:

 (a)  
Reserve Tank Transfer System serviceable.

 (b)  
Fuel Feed System serviceable.

 (c)  
Fuel Jettison System serviceable.

 (d)  
A specific fuel quantity is not necessary for this task.

 (e)  
Electrical Power On (AMM 24-22-00/201).

 (f)  
Fuel System Card File serviceable (AMM 28-22-16/401).

 (g)  
Integrated Display System (IDS) serviceable (AMM 31-61-00/501).

 (h)  
Airplane must be in the ground mode (AMM 32-09-02/201).

 (i)  
CDU installed (AMM 34-61-02/401).

 (j)  
Central Maintenance Computer (CMC) serviceable (AMM 45-10-00/201).

 D.
Procedure

 S 865-008
 (1)  
Supply electrical power (Ref 24-22-00/201).

 S 865-043

 (2)  
Open this circuit breaker:

 (a)  
On the main power distribution panel P6:
 1) 6F17, CTR L & MAIN 3 JTSN VLV

 S 865-053
 (3)  
Make sure this circuit breaker is closed:

 (a)  
On the P6 panel:
 1) 6E17, CTR R & MAIN 2 JTSN VLV

 S 725-046
 (4)  
Make sure the EICAS status message, JETT XFER VLV, shows on the bottom EICAS display.

 S 865-047

 (5)  
Close this circuit breaker:

 (a)  
On the P6 panel:
 1) 6F17, CTR L & MAIN 3 JTSN VLV

 S 725-039
 (6)  
Make sure the EICAS message, JETT XFER VALVE, does not show on the bottom EICAS display.

 S 865-071

 (7)  
Open this circuit breaker:

 (a)  
On the P6 panel:
 1) 6G2, FUEL SHUTOFF VALVE ENG 2

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 725-048
 (8)  
Make sure the EICAS advisory message "ENG 2 FUEL VLV" shows on the top EICAS display.

 S 725-053

 (9)  
Make sure the EICAS status message "FUEL SPAR VLV 2" shows on the bottom EICAS display.

 S 865-049

 (10)
 Close this circuit breaker:

 (a)  
On the P6 panel:
 1) 6G2, FUEL SHUTOFF VALVE ENG 2

 S 725-050
 (11)
 Make sure that the EICAS advisory message "ENG 2 FUEL VLV" does not show on the top EICAS display.

 S 725-054

 (12)
 Make sure the EICAS status message "FUEL SPAR VLV 2" does not show on the bottom EICAS display.

 S 865-051

 (13)
 Open this circuit breaker:

 (a)  
On the P6 panel:
 1) 6L15, FUEL XFEED VALVE ENG 2

 S 725-064
 (14)
 Make sure the EICAS message "FUEL XFEED 2" shows on the top EICAS display.

 S 865-059

 (15)
 Close this circuit breaker:

 (a)  
On the P6 panel:
 1) 6L15, FUEL XFEED VALVE ENG 2

 S 725-061
 (16)
 Make sure the EICAS message "FUEL XFEED 2" does not show on the top EICAS display.

 S 865-055

 (17)
 Open this circuit breaker:

 (a)  
On the overhead circuit breaker panel P7:
 1) 7H21, FUEL XFR VALVE MAIN 1

 S 865-056
 (18)
 Make sure this circuit breaker is closed:

 (a)  
On the P7 panel:
 1) 7H24, FUEL XFR VALVE MAIN 4

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