CHAPTER 75 - AIR
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
AIR 75-00-00
___
Description and Operation 1 ALL
General 1
Operation 1
Component Location 101 ALL
Component Index
Component Location
ACCESSORY COOLING 75-20-00
_________________ ENGINE BEARING COOLING SYSTEM 75-22-00
Description and Operation 1 ALL General 1 Cooler - No. 3 Bearing Buffer 2
Air
Operation 2
COOLER - NO. 3 BEARING BUFFER 75-22-01
AIR
Removal/Installation 401 ALL
ENGINE EXTERNAL ACCESSORIES 75-23-00
COOLING
Description and Operation 1 ALL General 1 Duct - Nacelle Zone 1
Ventilation
Switch - Barometric 1
Valve - Shutoff, Nacelle Zone 1
Ventilation
Operation 5 Adjustment/Test 501 ALL DUCT- NACELLE ZONE VENTILATION 75-23-03
Removal/Installation 401 ALL SWITCH - BAROMETRIC 75-23-04 Removal/Installation 401 ALL VALVE - SHUTOFF, NACELLE ZONE 75-23-02 VENTILATION Removal/Installation 401 ALL
75-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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 75 - AIR
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
TURBINE COOLING SYSTEM 75-24-00
Description and Operation 1 ALL General 1 Actuator - Air Valve, Turbine 7
Case Cooling
Cable - Air Valve Control, 7
Turbine Case Cooling
Collector - Turbine Case 1
Cooling, High Pressure
Collector - Turbine Case 1
Cooling, Low Pressure
Duct - Air, Turbine Vane 9
Cooling
Filter - Air, PS3 9
Manifolds - Turbine Case 7
Cooling, High Pressure
Manifolds - Turbine Case 7
Cooling, Low Pressure
Solenoid - TVBCA Valve 8
Solenoids - TVBCA Valve and 9
TVCA Valve
Switch - TVBCA Valve Position 9
Valve - Air Shutoff, Turbine 1
Case Cooling, High Pressure
Valve - Air Shutoff, Turbine 1
Case Cooling, Low Pressure
Valve - Air, Turbine Vane and 7
Blade Cooling
Valve - Turbine Vane Cooling 8
Air
Operation 10 Maintenance Practices 201 ALL Adjustment/Test 501 ALL
Adjustment - Turbine Case 501 Cooling System Inspection/Check 601 ALL
75-CONTENTS
NGUN Page 2 Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
CHAPTER 75 - AIR
TABLE OF CONTENTS
_________________
Chapter
Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ACTUATOR - AIR VALVE, TURBINE 75-24-05
CASE COOLING
Removal/Installation 401 ALL
CABLE - AIR VALVE CONTROL, 75-24-11
TURBINE CASE COOLING
Removal/Installation 401 ALL
COLLECTOR - TURBINE CASE 75-24-06
COOLING, HIGH PRESSURE
Removal/Installation 401 ALL
COLLECTOR - TURBINE CASE 75-24-08
COOLING, LOW PRESSURE
Removal/Installation 401 ALL
DUCT - AIR, TURBINE VANE COOLING 75-24-02
Removal/Installation 401 ALL
MANIFOLDS - TURBINE CASE 75-24-07
COOLING, HIGH PRESSURE
Removal/Installation 401 ALL
MANIFOLDS - TURBINE CASE 75-24-09
COOLING, LOW PRESSURE
Removal/Installation 401 ALL
SOLENOID - TURBINE VANE AND 75-24-15
BLADE COOLING AIR VALVE AND IDG
AIR/OIL HEAT EXCHANGER VALVE
OVERRIDE
Removal/Installation 401 [*]
[*] ENGINES WITH PHASE 3 CHANGES
SOLENOID - TURBINE VANE COOLING 75-24-17
AIR VALVE AND TURBINE VANE AND
BLADE COOLING AIR VALVE
Removal/Installation 401 [*]
[*] ENGINES WITH PHASE 3 CHANGES
SWITCH - AIR VALVE POSITION, 75-24-13 TURBINE VANE AND BLADE COOLING Removal/Installation 401 [*] [*] ENGINES WITH PHASE 3 CHANGES OR PRE-PW-SB 75-107
75-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 75 - AIR
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 大气 AIR 1
