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747-400 FAULT ISOLATION/MAINT MANUAL
COMPONENT SHT FIG. 102 QTY ACCESS/AREA REFERENCE AMM
RELAY - DC VOLTAGE SENSE, R7228 1 1 FLT COMPT, P6 24-33-02
RELAYS - 1 117AL, MAIN EQUIP CTR, P180
APU BAT BUS TRANSFER, R7687 1 24-31-16
BAT TRANSFER, R7224 1 24-31-03
DC BUS ISOLATION, R7219 1 24-32-03
DC BUS ISOLATION, R7220 1 24-32-03
DC BUS ISLOATION, R7221 1 24-32-03
DC BUS ISOLATION, R7222 1 24-32-03
MAIN BATTERY, R7223 1 24-31-03
SINGLE TRU OPER, R7225 1 24-33-05
RELAY - 3 835L, AFT EQUIP CTR, P183 24-31-08
AC PWR SENCE - TRU APU START, R8225 1 *
APU BAT CHGR DISABLE, R7218 1 *
APU - TRU DISABLE, R8203 1 *
APU - TRU FAN, R704 1 *
APU - TRU LATCH, R8202 1 *
APU - TRU START, R8212 1 *
APU - TRU XFR, R8204 1 *
RELAY - MAIN BAT CHGR DISABLE, R7208 1 1 117AL, MAIN EQUIP CTR, P414 24-31-04
SENSOR - DC CURRENT, APU BAT, M7433 1 835L, AFT EQUIP CTR, RACK, E33 *
DC CURRENT - TRU 2, M7435 DC CURRENT - TRU 4, M7437 SENSORS - (REF 31-01-24, FIG. 101) DC CURRENT - TRU 3, M7436 DC CURRENT - TRU 1, M7434 SENSOR - DC CURRENT, MAIN BAT, M7424 1 117AL, MAIN EQUIP CTR, RACK E30 *
TRANSFORMER - CURRENT, APU TRU START, T199 3 1 835L, AFT EQUIP CTR, P183 *
UNIT - TRANSFORMER RECTIFIER 1, T1494 1 1 117AL, MAIN EQUIP CTR, RACK E30 24-32-01
UNIT - TRANSFORMER RECTIFIER 2, T1495 1 1 117AL, MAIN EQUIP CTR, RACK E30 24-32-01
UNIT - TRANSFORMER RECTIFIER 3, T1496 1 1 117AL, MAIN EQUIP CTR, RACK E30 24-32-01
UNIT - TRANSFORMER RECTIFIER 4, T1497 1 1 117AL, MAIN EQUIP CTR, RACK E30 24-32-01
UNIT - TRANSFORMER RECTIFIER, APU, H123 3 1 835L, AFT EQUIP CTR, P183 24-32-04
HANDLING, T177 UNIT - TRANSFORMER RECTIFIER, MAIN DECK CARGO 2 1 117AL, MAIN EQUIP CTR, RACK E31 24-32-05
* SEE THE WDM EQUIPMENT LIST
DC Generation - Component Index
Figure 101 (Sheet 2)
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ALL ú
ú 10 Page 102
ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M49672
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747-400 FAULT ISOLATION/MAINT MANUAL
SEE C SHT 2 P180 PANEL
ASEE FLIGHT COMPT P6 PANEL SEE B E-30 EQUIPMENT RACK MAIN EQUIP CTR SEE D SHT 2 P414 PANEL
DC VOLTAGE
SENSE RELAY,
R7228
P6 PANEL
MAIN BATTERY
A CHARGER,
M7422
TRU 2, T1495 TRU 4, T1497
TRU 1, T1494 TRU 3, T1496
E-30 EQUIPMENT RACK
B
DC Generation - Component Location
Figure 102 (Sheet 1)
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24-30-00
ALL ú ú 01 Page 103 ú Feb 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 FAULT ISOLATION/MAINT MANUAL
DC BUS ISOLATION RELAY, R7220
P180 PANEL
DC BUS ISOLATION RELAY, R7222
DC BUS ISOLATION RELAY, R7221
P180-1 PANEL
DC BUS ISOLATION
RELAY, R7219
MAIN BATTERY RELAY, R7223
BATTERY TRANSFER RELAY, R7224
APU BATTERY
SINGLE TRU BUS TRANSFER
OPERATION RELAY, RELAY, R7687
R7225
P180 PANEL
C FROM SHT 1
MAIN BATTERY CHARGER DISABLE RELAY, R7208
P414 PANEL D FROM SHT 1
DC Generation - Component Location Figure 102 (Sheet 2)
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