R = REVISED, A = ADDED OR D = DELETED CHAPTER 77 F = FOLDOUT PAGE EFFECTIVE PAGES 17 C PAGE 2 JUL 12/02 LAST PAGE
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHAPTER 77 - ENGINE INDICATING
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
ENGINE INDICATING SYSTEM 77-00-00
________________________ Description and Operation 1 ALL Trouble Shooting 101 ALL
POWER 77-10-00
_____ ENGINE TACHOMETER SYSTEM 77-12-00
Description and Operation 1 ALL Indicator - N1 Tachometer 1 Indicator - N2 Tachometer 6 Sensor - N1 Speed 1 Sensor - N2 Control Alternator 1
Speed Operation 6 Adjustment/Test 501 ALL
Operational Test -501
N1 Tachometer System 501
Operational Test -507
N2 Tachometer System 507
Operational Test -507
N2 Tachometer System 507
System Test -501
N1 Tachometer System 501
INDICATORS - N1 AND N2 77-12-02 TACHOMETER Removal/Installation 401 [*] [*] AIRPLANES WITHOUT ENGINE INSTRUMENT SYSTEM (EIS) DISPLAY
SENSOR - N1 SPEED 77-12-01
Maintenance Practices 201 ALL Cleaning 201 Installation 203 Removal 201 Visual Check 203
TEMPERATURE 77-20-00
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77-CONTENTS
CBEJ Page 1 Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CHAPTER 77 - ENGINE INDICATING
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
EXHAUST GAS TEMPERATURE (EGT) 77-21-00
INDICATION SYSTEM
Description and Operation 1 ALL
Assembly - Thermocouple 1
Harness
9 Probe EGT System 1
Indicator - EGT 4
Operation 4
Adjustment/Test 501 ALL
Operational Test 501
System Test 502
HARNESS AND PROBES - EGT 77-21-01
THERMOCOUPLE
Maintenance Practices 201 ALL
Broken EGT Harness Isolation 201
(Do not use this 401
configuration.)
[*] 6 PROBE EGT SYSTEM
Removal/Installation 401 CONFIG 2 [*] 9 Probe EGT System - Rigid 401 Mount [*] 9 PROBE EGT SYSTEM (RIGID MOUNT)
Removal/Installation 401 CONFIG 3 [*] 9 Probe EGT System - Soft 401 Mount [*] 9 PROBE EGT SYSTEM (SOFT MOUNT)
Inspection/Check 601 ALL
INDICATOR - EXHAUST GAS 77-21-02
TEMPERATURE (EGT)
Removal/Installation 401 [*]
[*] AIRPLANES WITHOUT EIS
ANALYZERS 77-30-00
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77-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 77 - ENGINE INDICATING
TABLE OF CONTENTS
_________________
Chapter Section Subject_______ Subject ____ Effectivity
_______ Page ___________
AIRBORNE VIBRATION MONITORING 77-31-00
(AVM) SYSTEM
Description and Operation 1 ALL Conditioner - AVM Signal 1 Indicator - AVM 8 Sensors - Engine Vibration 1 Operation 8
Maintenance Practices 201 ALL System Test (S332T304) 220 System Test (S360N021-100, 201
-102)
System Test 243
(S360N021-113/-114)
System Test (S360N021-201, 227
-202)
System Test (S360N021-213) 235
Adjustment/Test 501 ALL Operational Test 501 Self Test 508
CONDITIONER - AIRBORNE VIBRATION 77-31-03 MONITOR (AVM) SIGNAL Removal/Installation 401 ALL INDICATOR - AIRBORNE VIBRATION 77-31-04 MONITOR (AVM) Removal/Installation 401 [*] [*] AIRPLANES WITHOUT EIS
SENSOR - ALTERNATE NO. 1 BEARING 77-31-01 (NOB) VIBRATION (FFCCV) Removal/Installation 401 ALL
SENSOR - TRF VIBRATION (CORE) 77-31-02 Removal/Installation 401 ALL Inspection/Check 601 ALL
77-CONTENTS
CBEJ Page 3 Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
ENGINE INDICATING SYSTEM - DESCRIPTION AND OPERATION
____________________________________________________
1. General (Fig. 1)
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