R = REVISED, A = ADDED OR D = DELETED CHAPTER 75 F = FOLDOUT PAGE EFFECTIVE PAGES 17 C PAGE 3 JUL 12/02 LAST PAGE

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
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

 Trouble Shooting 101 ALL
 ACCESSORY COOLING 75-20-00
_________________
 Description and Operation 1 ALL
 General 1
 Engine External Accessories 1

 Cooling
 Engine Internal Cooling 1
 High Pressure Turbine Clearance 1

 Control System
 Turbine Case Cooling 1
 ENGINE EXTERNAL ACCESSORIES 75-21-00
 COOLING

 Description and Operation 1 ALL
 General 1
 Generator Cooling 1
 Ignition Leads Cooling 1

 HIGH PRESSURE TURBINE CLEARANCE 75-24-00
 CONTROL SYSTEM

 Description and Operation 1 ALL
 General 1
 Valve - High Pressure Turbine 1

 Clearance Control
 Operation 1
 Adjustment/Test 501 ALL
 Do The Check For The HPTCC 501
 Valve And Timer
 TIMER - HIGH PRESSURE TURBINE 75-24-02
 CLEARANCE CONTROL
 Maintenance Practices 201

 (Deactivation)
 General 201
 HPTCC Timer Deactivation 201

 (Electrical Deactivation
 Procedure)
 [*] ENGINES WITH THE HIGH PRESSURE TURBINE CLEARANCE CONTROL (HPTCC)
 TIMER

 75-CONTENTS

 CBEJ Page 1 Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHAPTER 75 - AIR
 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 Removal/Installation 401 [*]
 [*] ENGINES WITH THE HIGH PRESSURE TURBINE CLEARANCE CONTROL (HPTCC)
 TIMER

 VALVE - HIGH PRESSURE TURBINE 75-24-01
 CLEARANCE CONTROL
 Removal/Installation 401 ALL
 Inspection/Check 601 ALL

 COMPRESSOR CONTROL 75-30-00
__________________ VARIABLE STATOR VANE ACTUATION 75-31-00 SYSTEM
 Description and Operation 1 ALL
 General 1
 Actuator - Variable Stator 1

 Vane
 Bellcrank - Variable Stator 3
 Vane, Assembly
 Cable - Feedback, Variable 4
 Stator Vane
 Rings - Variable Stator Vane 4
 Actuation
 Operation 4
 Maintenance Practices 201 ALL
 Actuation Procedure - Engine 204
 Motoring
 Actuation Procedure - External 201
 Pressure Source
 Adjustment/Test 501 ALL

 Alternate Variable Stator Vane 533
 (VSV) Dynamic Rigging
 Procedure (With RMS Tool
 TEE62-2)

 Alternate Variable Stator Vane 539
 (VSV) Dynamic Rigging
 Procedure (With SPS Tool
 SA610)

 VSV Dynamic Rigging Procedure 506
 (With CFMI Tooling 856A2001
 and 856A1214)

 VSV Stage to Stage Rigging 501
 Procedure

 75-CONTENTS

 CBEJ Page 2 Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHAPTER 75 - AIR

 TABLE OF CONTENTS
_________________
 Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
 ACTUATOR - VARIABLE STATOR VANE 75-31-01 Removal/Installation 401 ALL Inspection/Check 601 ALL
 BELLCRANK - VARIABLE STATOR 75-31-03 VANE, ASSEMBLY Removal/Installation 401 ALL CABLE - FEEDBACK, VARIABLE 75-31-02
 STATOR VANE Removal/Installation 401 ALL Adjustment/Test 501 ALL Inspection/Check 601 ALL
 VARIABLE BLEED VALVE SYSTEM 75-32-00
 Description and Operation 1 ALL General 1 Actuator - Bleed Valve and 7
 Ballscrew
 Actuator - Bleed Valve and 7
 Master Ballscrew
 Cable - Feedback, Variable 12

 Bleed Valve
 Mechanism - Stop, Bleed Valve 4
　
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