747-400 AMM 飞机维护手册 燃油 FUEL 1(23)

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COUPLING  WING SURGE TANK
SURGE TANK DRAIN CHECK VALVE  T FROM SHT 8
S FROM SHT 8
FRONT SPAR (REF)
SURGE TANK
PRESSURE RELIEF VALVE
REAR SPAR (REF)
ACCESS DOOR
PRESSURE RELIEF VALVEFLAME ARRESTER
V FROM SHT 8
U
Storage - Component Location
Figure 102 (Sheet 11)

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A
747-400
FAULT ISOLATION/MAINT MANUAL

NO. 3
RESERVE TANK
NO. 1

TRANSFER VALVES
MAIN TANK
SEE Z SHT 14

TRANSFER VALVE
SEE X SHT 13
NO. 4
MAIN TANK

NO. 2
TRANSFER VALVE

RESERVE TANK TRANSFER VALVES
SEE X SHT 13 SEE Y SHT 14 FUEL STRAINER
FUEL SCAVENGE HOUSING
SYSTEM FOR THE
CENTER WING TANK

SEE AE SHT 15
SEE W
TO THE FLOAT  FLOAT VALVE-
JET PUMP JET PUMP VALVES FOR THE NO. 2 CENTER WING TANK SEE AB SHT 15 SEE AC SHT 15
AND NO. 3 MAIN TANKS
SEE AD SHT 15 SEE AA FWD
FUEL SCAVENGE SYSTEM FOR THE CENTER WING TANK
W
FLOAT VALVE IN THE NO. 2 AND NO. 3 MAIN TANK
TANK END RIB (REF)
INBOARD
CENTER WING
MAIN TANK

TANK (REF)
(REF)

FIRST RIB
MAIN TANK
(REF)

OUTBD
FLOAT VALVE FOR THE NO. 2 AND NO. 3 MAIN TANKS
AA
Storage - Component Location
Figure 102 (Sheet 12)

B34353
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A

747-400
FAULT ISOLATION/MAINT MANUAL

NO. 2 OR NO. 3 
MAIN TANK TRANSFER  UNIVERSAL 
VALVE BODY  JOINT 

NO. 1 OR NO. 4
MAIN TANK TRANFER VALVE

Storage - Component Location (Detail from Sht 12)
Figure 102 (Sheet 13)

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747-400 FAULT ISOLATION/MAINT MANUAL
NO. 2 RESERVE TANK
NO. 2 RESERVE TANK TRANSFER VALVE
TRANSFER VALVE BODY
TO

ADAPTER PLATE
OUTLET
UNIVERSAL 
JOINT 
(2 LOCATIONS) 
(REF) 
NO. 2 
TRANSFER VALVE RESERVE TANK NO. 2  HANDLE OVERRIDE MANUAL  TRANSFER VALVE RESERVE TANK ACTUATOR 
INLET  ADAPTER SHAFT  (REF) 
NO. 2 RESERVE TANK TRANSFER VALVE 
FWD  INBD 
Y 
NO. 3 RESERVE TANK 
TRANSFER VALVE 
ADAPTER PLATE 
NO. 3 RESERVE TANK 
TRANSFER VALVE BODY  FROM 
INLET  REAR SPAR 
(REF) 
FWD 
INBD 
TO 
OUTLET  JOINT UNIVERSAL  NO. 3 RESERVE TANK 
(REF) (2 LOCATIONS)  TRANSFER VALVE ACTUATOR 
NO. 3 RESERVE TANK  MANUAL OVERRIDE 
ADAPTER SHAFT TRANSFER VALVE  HANDLE (REF) 
NO. 3 RESERVE TANK TRANSFER VALVE 
Z 
Storage - Component Location (Details from Sht 12) 
Figure 102 (Sheet 14) 

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A
747-400 FAULT ISOLATION/MAINT MANUAL
SPANWISE BEAM 
SPANWISE BEAM  NO. 1 (REF) 
NO. 2 (REF)  COUPLING 
(3 LOCATIONS)  JET PUMP 
　
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