A 747-400 MAINTENANCE MANUAL
A
747-400 MAINTENANCE MANUAL
CHAPTER 49 - AIRBORNE AUXILIARY POWER
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject_______ Page
AIRBORNE AUXILIARY POWER 49-00-00
________________________
POWER PLANT 49-10-00
___________ UNIT - AUXILIARY POWER 49-11-00 Description and Operation 1 General 1 Air Inlet - APU 5 Control System - APU 9 Cooling Air System - APU 9 Diverter and IGV Control 9 System - APU Drains and Vents - APU 5 Engine - APU 5 Exhaust System - APU 15 EICAS Indicating System - APU 12 EICAS Indicating System - APU 14 Fuel System - APU Engine 5 Ignition and Starting System -9 APU Lubrication System - APU 5 Engine Oil External Distribution 15 System - APU Oil Indicating System - APU 15 Operation 16 Component Location 101 Component Index Component Location
Effectivity
ALL
ALL
49-CONTENTS
GUN Page 1 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL CHAPTER 49 - AIRBORNE AUXILIARY POWER TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject_______ Page____
Maintenance Practices 201
General 201
Activation (With APU Installed) - APU System Activation (With APU Removed) - APU System Deactivation (With APU Installed) - APU System Deactivation (With APU Removed) - APU System Depreservation (Less Than 7 Days) - APU Depreservation (More Than 91 Days) - APU Depreservation (29 Days to 90 Days) - APU Depreservation (8 Days to 28 Days) - APU Motoring - APU Dry Motoring - APU Wet Preservation (Less Than 7 Days) - APU Preservation (More Than 91 Days) - APU Preservation (29 Days to 90 Days) - APU Preservation (8 Days to 28 Days) - APU Shutdown - APU Emergency Shutdown - APU Usual 228237228229261266264261223215242253245242211209
Simulation - APU Ground Mode 214
(Airplane is on Jacks) Starting and Operation - APU 201
EffectivityALL
49-CONTENTS
GUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
CHAPTER 49 - AIRBORNE AUXILIARY POWER
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject_______ _______ Page____ Effectivity___________
Adjustment/Test 501 ALL
APU Ground Test 508
Fire Switch Shutdown Test 506
(Flight Compartment)
Fire Switch Shutdown Test 503
(Remote Panel Location)
Remote Stop Switch Shutdown 501
Test
Inspection/Check 601 ALL
Cleaning/Painting 701 ALL
Clean The APU Engine and The 701
APU Compartment
UNIT - AUXILIARY POWER 49-11-01
Removal/Installation 401 ALL
MOUNTS - APU 49-13-00
Description and Operation 1 ALL
General 1
Mount - Aft 1
Mounts - Forward 1
Shockmount 1
Component Location 101 ALL
Component Index
Component Location
LINK - AFT MOUNT 49-13-07
Removal/Installation 401 ALL
MOUNT ASSEMBLY - APU AFT 49-13-08
Inspection/Check 601 ALL
SHOCKMOUNT - AFT 49-13-05
Removal/Installation 401 ALL
SUPPORT AND SHOCKMOUNT - APU 49-13-01
FORWARD
Removal/Installation 401 ALL
Inspection/Check 601 ALL
SUPPORT BLOCK - CONE BOLT 49-13-06
Removal/Installation 401 ALL
SUPPORT TUBE - VERTICAL 49-13-04
Removal/Installation 401 ALL
49-CONTENTS
GUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CHAPTER 49 - AIRBORNE AUXILIARY POWER
TABLE OF CONTENTS_________________
Chapter
Section
Subject Subject Page_______ _______ ____ Effectivity___________
HARNESS - APU 49-14-00
Removal/Installation 401 ALL
Approved Repairs 801 ALL
General 801
Repair - APU Wire Harness 801
Repair - External Jacket or 808
Cable Braid
Replacement - Electrical 811
Connector
INLET - APU AIR 49-15-00
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