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MAINTENANCE MANUAL
FORWARD SEE A D APU FLAME ARRESTOR
SEE E SEE B
SEE C
CHECK VALVE APU FUEL ARRESTOR FLAME APU FLANGE ARRESTOR FLAME
FWD FUEL LINE
A
LINE DRAIN FUEL
FWD
B INBD
Figure 4 (Sheet 1) APU Fuel Feed System Components
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MAINTENANCE MANUAL
ARRESTOR APU FLAME BSEE REAR SPAR DRY SIDE DC FUEL PUMP
ELECTRICAL CONNECTOR PRESSURE SWITCH DC FUEL PUMP
DRAIN VALVE APU SUMP
D
C DRY SIDE REAR SPAR
CONNECTOR ELECTRICAL
SWITCH PRESSURE SHUTOFF APU FUEL PUMP
BOOST PUMP LEFT AFT MAIN FWD INBD
E
APU Fuel Feed System Components Figure 4 (Sheet 2)
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MAINTENANCE MANUAL
FIRE
28V DC
HOT BAT.
BUS FUEL S/O
NORMAL
VLV - APU
APU FIRE
4A
115V AC
A 5A
GND SVCE
BUS
A MD&T
6
A
S3 CLOSED
35
L FWD FUEL
BOOST PUMP
APU FAULT LIGHT
CLOSE
3
P6
S1
APU SHUTOFF VALVE
4 M
28V DCDISAGREE RELAY
BAT. BUS
FUEL DISAGREE
OPEN
S2
2
6
APU SHUTOFF
ENBL - APUVALVE DISAGREE
OPENED
ENABLE RELAY
APU OFF
28V DC
S4
BAT. BUS
DC FUEL
APU SHUTOFF VALVE
2
BOOST PUMP
CONT
APU SHUTOFF VALVE
28V DC
BAT. BUS
DC FUEL
1 2
APU ON
BOOST PUMP
APU
APU FUEL CONTROL
RELAY
P11
GROUND SERVICESENSE RELAY
A
AIR
T
D
ON
A
GROUND
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 4(10)
