Removal/Installation 401 ALL VALVE - AIR SHUTOFF TURBINE CASE 75-24-03 COOLING, HIGH PRESSURE Removal/Installation 401 ALL VALVE - AIR SHUTOFF, TURBINE 75-24-04 CASE COOLING, LOW PRESSURE Removal/Installation 401 ALL VALVE - AIR, TURBINE VANE AND 75-24-01 BLADE COOLING Removal/Installation 401 ALL VALVE - TURBINE VANE COOLING AIR 75-24-16 Removal/Installation 401 [*] [*] ENGINES WITH PHASE 3 CHANGES
COMPRESSOR CONTROL 75-30-00
__________________ COMPRESSOR STATOR VANE CONTROL 75-31-00 SYSTEM
Description and Operation 1 ALL General 1 Actuator - Variable Stator 1
Vane
Assembly - Bellcrank, Variable 1
Stator Vane
Operation 1
75-CONTENTS
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CHAPTER 75 - AIR
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
Adjustment/Test 501 ALL
Adjustment - Compressor Stator 501
Vane Control System
(Hydraulic Procedure)
Adjustment - Compressor Stator 518
Vane Control System
(Mechanical Procedure)
Adjustment - Variable Stator 527
Vane Actuator (Hydraulic
Procedure)
Adjustment - Variable Stator 538
Vane Actuator (Mechanical
Procedure)
Inspection/Check 601 ALL
ACTUATOR - VARIABLE STATOR VANE 75-31-02
Removal/Installation 401 ALL
COMPRESSOR BLEED CONTROL SYSTEM 75-32-00
Description and Operation 1 ALL General 1 Actuator - Valve, 2.5 Bleed 1 Solenoid - Valve, 2.9 Bleed 4 Valve - Relay, Stability Bleed 5
Pnuematic
Valve - 2.5 Bleed 1
Valve - 2.9 Bleed 1
Operation 5
Inspection/Check 601 ALL ACTUATOR - 2.5 BLEED VALVE 75-32-01 Hydraulic Pump Service and 201
Operation Maintenance Practices 201 ALL Removal/Installation 401 ALL Adjustment/Test 501 ALL
PROBE - THERMOCOUPLE, 2.9 BLEED 75-32-06 VALVE Removal/Installation 401 [*] [*] ENGINES WITH 2.9 BLEED VALVE THERMOCOUPLE PROBE
75-CONTENTS
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CHAPTER 75 - AIR
TABLE OF CONTENTS
_________________
Chapter Section
Subject_______ Subject ____ Effectivity_______ Page ___________
SOLENOID - 2.9 BLEED VALVE 75-32-04
Removal/Installation 401 ALL
VALVE - RELAY, STABILITY BLEED 75-32-05
PNEUMATIC
Removal/Installation 401 ALL
VALVE - 2.9 BLEED 75-32-03
Removal/Installation 401 ALL
HPC SECONDARY FLOW CONTROL SYSTEM 75-33-00
Description and Operation 1 ALL General 1 Filter - Air, PS3 1 Solenoids - Valve, HPC 4
Secondary Flow Control
Valve - HPC Secondary Flow 1
Control
Operation 4 Adjustment/Test 501 ALL Inspection/Check 601 ALL FILTER ASSEMBLY - AIR, PS3 75-33-02
Removal/Installation 401 ALL FILTER ELEMENT - AIR, PS3 75-33-05
Maintenance Practices 201 ALL Check PS3 Air Filter Element 203 Clean PS3 Air Filter Element 204 Install PS3 Air Filter 205
Element Remove PS3 Air Filter 201 Element
SOLENOID - HPC SECONDARY FLOW 75-33-04
CONTROL VALVE AND IDG AIR/OIL
HEAT EXCHANGER VALVE OVERRIDE
Removal/Installation 401 [*] [*] ENGINES WITHOUT PHASE 3 CHANGES
75-CONTENTS
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CHAPTER 75 - AIR
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
SOLENOID - HPC SECONDARY FLOW 75-33-03
CONTROL VALVE AND TURBINE VANE
AND BLADE COOLING AIR VALVE
Removal/Installation 401 [*] [*] ENGINES WITHOUT PHASE 3 CHANGES
VALVE - HPC SECONDARY FLOW 75-33-01 CONTROL Removal/Installation 401 ALL
75-CONTENTS
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AIR - DESCRIPTION AND OPERATION
_______________________________
1. General
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