24-CONTENTS
GUN Page 6 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 24 - ELECTRICAL POWER
TABLE OF CONTENTS
_________________
Subject
_______
Component Location
Component Index
Component Location
Adjustment/Test
BATTERIES
Description and Operation General Battery - APU Battery - Main Charger - Battery, APU Charger - Battery, Main
Relay - Disable, APU Battery Charger Relay - Disable, Main Battery Charger Relay - Transfer, APU Battery Bus Relays - Transfer, Main Battery and Battery Operation
BATTERY - APU Removal/Installation Adjustment/Test
BATTERY - MAIN Removal/Installation Adjustment/Test Operational Test
CHARGER - BATTERY, APU Removal/Installation
CHARGER - BATTERY, MAIN Removal/Installation
CONNECTOR - BATTERY Inspection/Check RELAY - DISABLE, APU BATTERY CHARGER Removal/Installation
Chapter SectionSubject
24-31-00
24-31-06
24-31-01
24-31-0724-31-0224-31-0124-31-08
Page 101
501 1 1111
111777
401
501 401 501 501401 401 601
401 EffectivityALL
ALLALL
ALLALL
ALLALL
ALLALLALL
ALL
24-CONTENTS
GUN Page 7 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 24 - ELECTRICAL POWER
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
RELAY - DISABLE, MAIN BATTERY 24-31-04
CHARGER
Removal/Installation 401 ALL
RELAY - TRANSFER, APU BATTERY 24-31-16
BUS
Removal/Installation 401 ALL
RELAYS - TRANSFER, MAIN BATTERY 24-31-03
AND BATTERY
Removal/Installation 401 ALL
TRANSFORMER RECTIFIER 24-32-00
Description and Operation 1 ALL
General 1
Relay - Isolation, DC Bus 1
Sensor - Current, DC 1
Unit - Transformer Rectifier, 5
APU
Unit - Transformer Rectifier, 1
Main
Unit - Transformer Rectifier, 6
Main Deck Cargo Handling
Operation 6
RELAY - ISOLATION, DC BUS 24-32-03
Removal/Installation 401 ALL
UNIT - RECTIFIER, MAIN 24-32-01
TRANSFORMER
Removal/Installation 401 ALL
UNIT - TRANSFORMER RECTIFIER, 24-32-04
APU
Removal/Installation 401 ALL
UNIT - TRANSFORMER RECTIFIER, 24-32-06
MAIN DECK CARGO HANDLING
Removal/Installation 401 [*]
[*] AIRPLANES WITH MAIN DECK CARGO HANDLING
24-CONTENTS
GUN Page 8 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 24 - ELECTRICAL POWER
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
DC STANDBY POWER SYSTEM 24-33-00
Description and Operation 1 ALL
General 1
Relay - Operation, Single TRU 1
Relay - Sense, DC Voltage 1
Operation 1
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