Boeing 737-800 - Fuel Schematic

737 Flight Crew Operations Manual
Fuel -
System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 12.20.5
Fuel Schematic
FEED
C
PUMPS
FUEL
2
AFTFWDFWDAFT
ON
OFF
1
ON
OFF
CTR
R
ON
CROSS
VALVE
OPEN
L
OFF
FUEL PUMPS
-20
-40 +40
+20
TEMP
0
FUEL
ENG VALVE
CLOSED
SPAR VALVE
CLOSED
ENG VALVE
CLOSED
SPAR VALVE
CLOSED
BYPASS
FILTER
PRESSURE
LOW
PRESSURE
LOW
PRESSURE
LOW
PRESSURE
LOW
FILTER
BYPASS
PRESSURE
LOW
PRESSURE
LOW
FUEL FEED
CONDITION: ENGINES OPERATING
CENTER TANK FEEDING ENGINES
1
2
U
ENGINE
SHUTOFF
SPAR FUEL
VALVE
SHUTOFF
VALVE
DEFUELING
VALVE
MANUAL
FUELING
STATION
APU
APU FUEL
SHUTOFF
VALVE
NO. 2
TANK
NO. 1
TANK
CENTER
TANK
VALVE
BYPASS
ENGINE
FUEL
P
A
CENTER TANK
FUEL SCAVENGE
JET PUMP
VALVE
BYPASS
May 15, 2008