(b)  
11J33, WARN ELEX A

 S 914-096
 CAUTION: DO NOT TOUCH THE WEU BEFORE YOU DO THE PROCEDURE FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE WEU.
 (2)  
Before you touch the WEU, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).

 S 424-009

 (3)  
Install the EMI filter module:

 (a)  
Put the EMI filter module into position on the filter plate.

 (b)  
Install the two fasteners to attach the module to the filter plate.

  ú

 31-51-01
 ALL  ú ú 01 Page 403 ú Mar 20/94

A

757
MAINTENANCE MANUAL

 (c)  Install the three fasteners to attach the filter plate to the WEU.
 S 414-090
 (4)  
Put the rear panel into position on the WEU.

 S 424-091

 (5)  
Install the twelve fasteners to attach the rear panel to the WEU.

 S 414-091

 (6)  
Put the WEU into position for installation.

 S 414-092

 (7)
Install the four fasteners to attach the WEU to the airplane.

 S 864-011

 (8)  
Remove the DO-NOT-CLOSE tags and close these P11 panel circuit breakers:

 (a)  
11B18, WARN ELEX B

 (b)  
11J33, WARN ELEX A

 D. Installation Test
 S 864-093
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 724-094

 (2)  
Do the WEU Card Modules Test (AMM 31-51-04/401).

 S 724-093

 (3)  
Do the Stall Warning System - Operational Test (AMM 27-32-00/501).

 (4)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 864-094
  ú

 31-51-01
 ALL  ú ú 01 Page 404 ú Mar 20/94

A

757
MAINTENANCE MANUAL

 SPEED BRAKE HANDLE POSITION SWITCH - REMOVAL/INSTALLATION
_________________________________________________________
 1.  General
_______
 A.  This procedure has two tasks. The first task is the switch removal. The second task is the switch installation.
 B.  The speed brake handle position switch is installed on the speedbrake mechanism. The speedbrake mechanism is located in the aisle control stand on the left side.
 TASK 31-51-03-004-001
 2.  Speed Brake Handle Position Switch Removal (Fig. 401)
__________________________________________
 A.  References
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 儀表 CHAPTER 31 - INSTRUMENTS 2(135)