S 865-114

 (2)  
Remove the pressure from the left hydraulic system
 (Ref 29-11-00/201).

 S 985-115

 (3)  
Put the left, center, and right IRS MODE SELECT switches in the OFF position.

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

 S 865-116
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A

757 MAINTENANCE MANUAL
 STALL WARNING MODULE - REMOVAL/INSTALLATION
___________________________________________
 1.  General_______
 A.  The left and right stall warning modules are in the warning electronics unit (WEU) on the P51 panel. The removal/installation procedures for the left and right stall warning modules are the same.
 TASK 27-32-01-024-001
 2.  Remove the Stall Warning Module (Fig. 401)_______________________________
 A.  References
 (1)  
AMM 06-41-00/201, Fuselage Access Doors and Panels

 (2)  
AMM 24-22-00/201, Electrical Power - Control

 (3)  
AMM 27-32-00/501, Stall Warning System

 B.  
Access

 (1)  
Location Zones
 119/120 Main Equipment Center
 211/212 Control Cabin

 (2)  
Access Panel
 119BL Main Equipment Center

 C.  
Prepare for Removal

 S 864-015
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILER PANELS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoiler panels.

 S 864-002

 (2)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:

 (a)  
11B18, WARN ELEX B

 (b)  
11J33, WARN ELEX A

 S 014-003
 (3)  
Open the main equipment center access door, 119BL
 (AMM 06-41-00/201).

 S 014-004

 (4)  
Open the WEU access door.

 D.  
Remove the stall warning module.

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A

757
MAINTENANCE MANUAL

A

Stall Warning Module Installation
Figure 401

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A
757 MAINTENANCE MANUAL
 S 864-017
 CAUTION: DO NOT TOUCH THE STALL WARNING MODULE BEFORE YOU DO THE
_______ PROCEDURE FOR ELECTROSTATIC DISCHARGE SENSITIVE DEVICES (AMM 20-41-01/201). ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE STALL WARNING MODULE.
 (1)  
Do the procedure for electrostatic discharge sensitive devices (AMM 20-41-01/201).

 S 024-016

 (2)  
Remove the Stall Warning Module (AMM 20-10-01/401).

 TASK 27-32-01-424-005
 3. Install the Stall Warning Module (Fig. 401)
________________________________
 A. References
 (1)  
AMM 06-41-00/201, Fuselage Access Doors and Panels

 (2)  
AMM 24-22-00/201, Electrical Power - Control

 (3)  
AMM 27-32-00/501, Stall Warning System

 B.
Access

 (1)  
Location Zones
 119/120 Main Equipment Center
 211/212 Control Cabin

 (2)  
Access Panel
　
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