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A
747-400 FAULT ISOLATION/MAINT MANUAL
AFT NO. 2 OR NO. 3 MAIN TANK FUEL BOOST PUMP
AND AFT NO. 2 OR NO. 3 MAIN TANK WATER SCAVENGE EJECTOR PUMP
FUEL BOOST PUMP
FORWARD NO. 2 OR NO. 3 MAIN TANK FUEL BOOST PUMP
AND FORWARD NO. 2 OR NO. 3 MAIN TANK WATER SCAVENGE EJECTOR PUMP
Engine Fuel Feed System - Component Location (Details from Sht 1)
Figure 102 (Sheet 3)
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747-400 FAULT ISOLATION/MAINT MANUAL
INLET TO THE EJECTOR PUMP VALVE CHECK OUTLET
SWITCH PRESSURE
CHECK VALVE REMOVAL
FUEL BOOST PUMP
MOTOR/IMPELLER UNIT
FRONT SPAR
(REF)
FUEL BOOST
PUMP HOUSING ____NOTE: FRONT SPAR LOCATION
IS SHOWN; REAR SPAR
LOCATION IS ALMOST
THE SAME
FUEL BOOST PUMP
F FWD
TO BOOST PUMP
WATER SCAVENGE EJECTOR PUMP INLET SCREEN
WATER
SCAVENGE
EJECTOR
PUMP
BOOST PUMP INLET SCREEN
WATER SCAVENGE EJECTOR PUMP
G
Engine Fuel Feed System - Component Location (Details from Shts 2 and 3) Figure 102 (Sheet 4)
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747-400 FAULT ISOLATION/MAINT MANUAL
BOOST PUMP BYPASS VALVE
H BOOST PUMP BYPASS VALVE BOOST PUMP BYPASS PICKUP TUBING MANIFOLD CROSSFEED CENTER WING TANK REAR SPAR (REF)
TUBING MANIFOLD CROSSFEED
VALVE BODY
I FUEL FLOW LIMITING VALVE
Engine Fuel Feed System - Component Location (Details From Sht 1)
Figure 102 (Sheet 5)
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747-400
FAULT ISOLATION/MAINT MANUAL
FUEL MANAGEMENT CONTROL MODULE, M154
SEE J
MAIN POWER DISTRIBUTION PANEL, P6
FUEL CONTROL SWITCHES
SEE K
LEFT AND RIGHT
NO. 1 AND NO.2 CENTER WING TANK N0. 3 AND NO. 4 FUEL
FUEL CROSSFEED OVERRIDE/JETTISON CROSSFEED VALVE SWITCHES,
VALVE SWITCHES, PUMP SWITCHES, S11 AND S12
S9 AND S10 S18 AND S19
AFT AND FORWARD N0. 1 MAIN TANK FUEL BOOST PUMP SWITCHES, S5 AND S1
LOW PRESSURE INDICATION LIGHT (REF)
AFT AND FORWARD N0. 4 MAIN TANK FUEL AFT AND FORWARD N0. 2 BOOST PUMP SWITCHES,
AFT AND FORWARD N0. 3 MAIN TANK FUEL
MAIN TANK FUEL S8 AND S4 BOOST PUMP SWITCHES,
BOOST PUMP SWITCHES, S6 AND S2
S7 AND S3
FUEL MANAGEMENT CONTROL MODULE, M154
J
NO. 1 FUEL NO. 2 FUEL NO. 3 FUEL NO. 4 FUEL
CONTROL SWITCH,CONTROL SWITCH, CONTROL SWITCH,CONTROL SWITCH,
S211 S212 S213 S214
FUEL CONTROL SWITCHES
K
Engine Fuel Feed System - Component Location
Figure 102 (Sheet 6)
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747-400
FAULT ISOLATION/MAINT MANUAL
CARD LOCATION PLACARD 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 2(76)
