71-CONTENTS
 NGUN Page 4 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
CHAPTER 71 - POWER PLANT
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 POWER PLANT 71-00-03
 Maintenance Practices 201
 (Preservation and
 Depreservation)

 Engine Bearing Compartment 209
 Drying Power Plant Depreservation 208 Power Plant Preservation 201
 POWER PLANT 71-00-09 Maintenance Practices (Engine 201 Conversion) POWER PLANT 71-00-30 Maintenance Practices (Three 201 ALL
 Engine Ferry Flight)
 General 201
 Prepare to Ferry Engine -202

 Engine Turns Freely Prepare to Ferry Engine -207 Locked Rotor
 Restore Engine to Pre-Ferry 218 Flight Condition - Engine Turns Freely
 Restore Engine to Pre-Ferry 221 Flight Condition - Locked Rotor
 71-CONTENTS
 NGUN Page 5 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 71 - POWER PLANT
 TABLE OF CONTENTS
_________________
 Chapter Section
 Subject_______  Subject ____ Effectivity_______ Page ___________
 POWER PLANT 71-00-02 Removal/Installation 401 ALL Install the Power Plant with 466 the Bootstrap Equipment
 Install the Power Plant with 480I the Crane and Overhead Sling
 Install the Power Plant with 480 the PT90-E Prepare for the Power Plant 403 Removal Put the Airplane Back to Its 480O Usual Condition Remove the Power Plant with 428 the Bootstrap Equipment
 Remove the Power Plant with 460 the Crane and Overhead Sling
 Remove the Power Plant with 447 the PT90-E
 COWLING  71-10-00
_______ ENGINE COWLING 71-11-00 Description and Operation 1 ALL General 1 Cowl - Inlet 1 Panels - Core Cowl 2 Panels - Fan Cowl 2 Maintenance Practices 201 (Aerodynamic Smoothness) COWL - INLET 71-11-01 Removal/Installation 401 ALL DOOR - COWL PANEL PRESSURE 71-11-08 RELIEF Removal/Installation 401 ALL Adjustment/Test 501 ALL Aerodynamic Smoothness Check 507 Latch Test 501
 71-CONTENTS
 NGUN Page 6 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
CHAPTER 71 - POWER PLANT
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 LATCH - CORE COWL PANEL 71-11-07 Removal/Installation 401 ALL Adjustment/Test 501 ALL
 LATCH - FAN COWL PANEL 71-11-05 Removal/Installation 401 ALL Adjustment/Test 501 ALL
 PANEL - CORE COWL 71-11-06 Maintenance Practices 201 (Opening/Closing) Removal/Installation 401 ALL PANEL - FAN COWL 71-11-04 Maintenance Practices 201 (Opening/Closing) Removal/Installation 401 ALL ROD - HOLD-OPEN, COWL PANELS 71-11-10 Maintenance Practices 201 (Inspection and Cleaning) VENT - INLET COWL PRESSURE 71-11-03
 RELIEF Removal/Installation 401 ALL Adjustment/Test 501 ALL
 Aerodynamic Smoothness Check 506 Latch Test 501
 MOUNTS 71-20-00
______ ENGINE MOUNTS 71-21-00
 Description and Operation 1 ALL General 1 Mount - Aft Lower 1 Mount - Forward Lower 1
 Inspection/Check 601 ALL MOUNT - AFT LOWER ENGINE 71-21-02 Removal/Installation 401 ALL MOUNT - FORWARD ENGINE 71-21-01 Removal/Installation 401 ALL
 ENGINE WIRE HARNESS 71-50-00
___________________ Adjustment/Test 501 ALL
 71-CONTENTS
 NGUN Page 7 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 71 - POWER PLANT
 TABLE OF CONTENTS
_________________
 Chapter Section
 Subject_______  Subject ____ Effectivity_______ Page ___________
 Inspection/Check  601 ALL
 Approved Repairs  801 ALL
 ENGINE DRAINS  71-70-00
_____________ ENGINE VENTS AND DRAINS 71-71-00 Description and Operation 1 ALL General 1 Collector - Drain 5 Front Drain System 1 Rear Drain System 5 Vents 5 Maintenance Practices 201 ALL General 201 Cleaning - Engine Drain Lines 201 Inspection/Check 601 ALL
 71-CONTENTS
 NGUN Page 8 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
POWER PLANT - DESCRIPTION AND OPERATION
_______________________________________
 1.  General
_______
 A.  The 747-400 airplane is supplied power by four PW4000 Series high bypass
　
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