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 CHAPTER 77
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 ENGINE INDICATING
 TABLE OF CONTENTS
_________________
 SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY________ C ____ ___________ REMOVAL/INSTALLATION 401 ALL Removal of the Compressor 401 ALL Discharge Temperature (T3) Sensor Installation of the Compressor 405 ALL Discharge Temperature (T3) Sensor
 ANALYZERS 77-30-00
_________ DESCRIPTION AND OPERATION 1 ALL General 1 ALL Engine Vibration Sensor 2 ALL No. 1 Bearing Vibration Sensor 2 ALL Turbine Rear Frame Vibration 4 ALL Sensor Engine Vibration Monitoring Unit 4 ALL (EVMU) General 4 ALL Description 10 ALL Power Supply 13 ALL Operation 13 ALL Interfaces 18 ALL
 NO.1 BEARING VIBRATION SENSOR 77-31-10 ADJUSTMENT/TEST 501 ALL Electrical Test of the No.1 501 ALL Bearing Vibration Sensor (4002EV)
 TURBINE REAR FRAME BEARING VIBRATION 77-31-30
 SENSOR REMOVAL/INSTALLATION 401 ALL Removal of the Turbine Rear Frame 401 ALL Vibration Sensor Installation of the Turbine Rear 408 ALL Frame Vibration Sensor TURBINE REAR FRAME BEARING VIBRATION 77-31-30 SENSOR ADJUSTMENT/TEST 501 ALL Electrical Test of the Turbine 501 ALL Rear Frame Vibration Sensor TURBINE REAR FRAME BEARING VIBRATION 77-31-30 SENSOR INSPECTION/CHECK 601 ALL Visual Inspection of the TRF 601 ALL Vibration Sensor MONITORING UNIT - ENGINE VIBRATION 77-32-34 (EVMU) REMOVAL/INSTALLATION 401 ALL Removal of the Engine Vibration 401 ALL Monitoring Unit (EVMU)
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 CHAPTER 77
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 ENGINE INDICATING
 TABLE OF CONTENTS
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 SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY
________ C ____ ___________ Installation of the Engine 404 ALL Vibration Monitoring Unit (EVMU)
 MONITORING UNIT - ENGINE VIBRATION 77-32-34
 (EVMU)

 ADJUSTMENT/TEST 501 ALL Operational Check of EVMU through 501 ALL CFDS Acquire, Cancel, Read and Load 504 051-051, Initial Values Change the configuration of the 511 ALL Accelerometer Acquire Unbalance Data During the 523 ALL Flight and Read Unbalance Data Unbalance Acquisition on the 537 ALL Ground Load Frequency Analysis 548 ALL Cancel Frequency Analysis 552 ALL Fan Trim Balance with the EVMU 557 001-049, 052-099 (one Shot Method) 101-149, 151-199
 201-299, 301-399
 401-499, Fan Trim Balance with the EVMU 564 001-049, 052-099 (Vectorial Method) 101-149, 151-199
 201-299, 301-399 401-499,
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 ENGINE INDICATING - GENERAL - DESCRIPTION AND OPERATION

_______________________________________________________
 1. General
_______
 (Ref. Fig. 001)
 The engine power management is effected by means of :
 - the ECAM system (upper and lower display units of the ECAM system)

 - the warning and caution systems.
 The engine monitoring is carried out by means of :

 - the ECU and the ECAM

 - the vibration monitoring system with a display on the ECAM.
 This chapter deals only with :

 - the engine management main parameters (N1, N1 LIM, N1 MAX, N1 REF, N1 CMD, N2 and EGT)

 - the engine vibration monitoring system of the engine.
 The other engine parameters are described in the other ATA chapters :
 The AIDS system (Ref. 31-36-00) receives the engine monitoring parameters
 through the FADEC (Ref. 73-20-00).

 2. Component Location
__________________
 (Ref. Fig. 002)

 -------------------------------------------------------------------------------FIN I FUNCTIONAL DESIGNATION I PANELIZONEIACCESS I ATA
 I I I I DOOR I REF. -------------------------------------------------------------------------------4000EV SENSOR-N1 ROTATIONAL SPD 77-11-10 4001EV SENSOR-N2 ROTATIONAL SPD 77-11-20 4002EV ACCLRM-No. 1 BRG VIB 77-31-10 4003EV SENSOR-TRF VIB 77-31-30
 2EV  EVMU 86VU 128 824 77-32-34 T495 THERMOCOUPLE 77-21-10
 3. Indicating
__________
 A. General The engine primary parameters are permanently displayed on the upper ECAM E/WD. The secondary parameters are displayed on the lower ECAM DU when selected automatically or manually.
 (1) Upper Display Unit of the ECAM System
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
 (Ref. Fig. 003)
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