S 446-008-C00

 (7)  
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).

 S 416-009-C00

 (8)
Close the left fan cowl panel (AMM 71-11-02/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 77-31-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
AIRBORNE VIBRATION MONITOR (AVM) SIGNAL CONDITIONER - REMOVAL/INSTALLATION
__________________________________________________________________________
 1. General
_______
 A. This procedure has two tasks:
 (1)  
The removal of the airborne vibration monitor (AVM) signal conditioner.

 (2)  
The installation of the airborne vibration monitor (AVM) signal conditioner.

 TASK 77-31-03-004-001-C00
 2. Airborne Vibration Monitor (AVM) Signal Conditioner Removal
___________________________________________________________
 A. General
 (1)  
This task is the removal procedure for the airborne vibration monitor (AVM) signal conditioner.

 (2)  
The AVM signal conditioner is installed in the main E/E rack on one of these shelves: E1-1, E1-2, E1-3 or E1-4.

 (a)  
When you remove the AVM signal conditioner, do not supply the electrical power to the AVM system.

 (b)  
The electrical connector for the signal conditioner is on the rear of the unit.

 (c)  
A cam-action ejection lever that is part of the handle holds the signal conditioner in the EE rack mount.

 B. References
 (1)  
AMM 20-10-07/201, E/E Rack Mounted Components

 (2)  
AMM 20-40-12/201, Electrostatic Discharge Sensitive Devices

 C. Access
 (1)  
Location Zone
 205 Electronic Compartment

 (2)  
Access Panel
 1201L Electronic Equipment Access Door

 D. Procedure
 S 864-002-C00
 (1)  AIRPLANES WITH THE ENGINE INSTRUMENT SYSTEM (EIS); Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P6 Load Control Center
 1) EIS SEC 1
 2) EIS SEC 2
 3) EIS SEC 3

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 ALL  ú ú C02 Page 401 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
4) EIS SEC 4
 5) EIS SEC 5
 6) EIS SEC 6

 S 864-004-C00
 (2) Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P6 Load Control Center
 1) ENG VIBRATION MONITOR

 S 014-005-C00
 (3)  Open the electronic equipment access door, 1201L.
 S 844-030-C00
 CAUTION: DO NOT TRY TO TOUCH THE AVM BEFORE YOU DO THE PROCEDURE FOR
_______ DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE AVMSIGNAL CONDITIONER.
 (4)  
Before you touch the AVM signal conditioner, do the procedure for the Electrostatic Discharge Sensitive Devices (AMM 20-40-12/201).

 S 024-006-C00

 (5)
Remove the AVM signal conditioner with the procedure for the E/E Rack Mounted Components (AMM 20-10-07/201).

 TASK 77-31-03-404-007-C00
 3.  Airborne Vibration Monitor (AVM) Signal Conditioner Installation________________________________________________________________
 A. References
 (1)  
AMM 20-10-07/201, E/E Rack Mounted Components

 (2)  
AMM 20-40-12/201, Electrostatic Discharge Sensitive Devices

 (3)  
AMM 77-31-00/201, Airborne Vibration Monitoring (AVM) System

 B. Access
 (1)  
Location Zone
 205 Electronic Compartment
　
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