CHAPTER 72 - ENGINE
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ENGINE 72-00-00
______
Description and Operation 1 ALL
General 1
Components - Engine External 1
Drives - Accessory 26
Engine Stations - Designation of 1
Flange Identification - Engine 1
Locations - Main Bearing 31
Numbering/Compartment
Modules - Engine 1
Pressurization - Bearing 38
Compartment Seal
Section - Combustion 18
Section - Compressor 1
Section - Turbine 18
Supports - Bearing 38
Component Location 101 ALL
Component Index
Component Location
Maintenance Practices 201 ALL
General 201
N2 Rotor - Manual Turn 201
Replacement of Damaged Conical 213
Seat Connectors
72-CONTENTS
NGUN Page 1 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 72 - ENGINE
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
Inspection/Check 601 ALL
Birdstrike (Foreign Object 616
Damage) Inspection
Combustion Chamber Inspection 682C
Engine Overspeed Inspection 627
Engine Overtemperature 619
Inspection
Engine Windmilling 632
Inspection/Check
Fire/Fire Extinguishing Agent 665
Inspection/Check
Front Fan Case Rubstrip 666
Inspection
HPC Vane and Blade (5th- through 680D
15th-Stage) Inspection
HPT (1st- and 2nd-Stage) Blade 682Z
and (1st-Stage) Vane Inspection
Inlet, Exhaust, and Externals 602
Inspection
LPC 1st-Stage Vane and 1.6-Stage 673
Blade Inspection
LPC 4th-Stage Blade and Vane 677
Inspection
LPT Blades (3rd-Stage) 686H
Inspection
LPT Vanes (3rd-Stage) Inspection 686D
Oil Overtemperature 636
Inspection/Check
Oil System Contamination 651
Inspection
Prepare for the Borescope 667
Inspection
Put the Airplane Back to Its 686N
Usual Condition
Volcanic Ash/Sand Ingestion 661
Inspection/Check
72-CONTENTS
NGUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
CHAPTER 72 - ENGINE
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
Cleaning/Painting 701 ALL
Clean the EPR PT4.95 Probes 718
Clean Engine Gaspath (With Water 701
or With Water and Gaspath
Cleaner)
Clean Engine Gaspath After Use 717
of Fire Extinguishing Agents
(Continue-In-Service)
Clean Engine Gaspath After Use 718
of Fire Extinguishing Agents
(Prior to Engine Removal)
COMPRESSOR SECTION 72-30-00
__________________
Description and Operation 1 ALL
General 1
Case - Fan 4
Case - Intermediate 8
Compressor - High Pressure (HPC) 8
Compressor - Low Pressure (LPC) 1
Coupling - LPC/LPT 4
COMPRESSOR - LOW PRESSURE 72-31-00
Adjustment/Test 501 ALL General 501 Balance the Front and Rear 502
Balance Plane (Trim Balance -PBS-4100 Dual Pick-Up
Procedure)
Balance the Front Balance Plan 514
(Trim Balance - Airborne
Vibration Monitoring (AVM)
Procedure
Balance the Front Balance 521
Plane (Trim Balance -PBS-4100 / AVM Procedure)
Balance the Front Balance 530
Plane (Trim Balance -Vibro-meter AVM Procedure P/N
241-280-051-012).
72-CONTENTS
NGUN Page 3 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 72 - ENGINE
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
BLADE - (FAN), 1ST-STAGE 72-31-02 Removal/Installation 401 ALL Inspection/Check 601 ALL Repairs 801 ALL
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