(4)  
Remove electrical power (AMM 24-22-00/201).

 S 864-011
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DIGITAL STALL WARNING ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STALL MANAGEMENT COMPUTER - REMOVAL/INSTALLATION
________________________________________________
 1.  General_______
 A.  This subject contains two tasks, one for the removal and one for the installation of the stall management computer (SMC). In this procedure you will remove the SMC from the E1-1 electronics shelf and install a replacement unit. Then you will do a SMC BITE test, a shaker operation test, and a check for pitch limit indication on the EFIS EADI.
 B.  The procedure is the same for SMC 1 or SMC 2.
 TASK 27-32-42-004-018
 2.  Stall Management Computer Removal (Fig. 401)_________________________________
 A.  References
 (1)  
AMM 20-10-07/201, E/E Rack-Mounted Components - Maintenance Practices

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

 B.  
Access

 (1)  
Location Zone
 205 Electronic Compartment

 (2)  
Access Panel
 1201 Electronic Equipment Access Door

 C.  
Procedure

 S 864-017
 (1)  
To replace SMC 1, open these circuit breakers:

 (a)  
P18-2 Panel
 1) SMC 1 CMPTR DC
 2) SMC 1 SNSR EXC AC

 (b)  
P6-2 Panel
 1) AUTOSLAT 1 DC

 S 864-016
 (2)  
To replace SMC 2, open these circuit breakers:

 (a)  
P6-1 Panel
 1) SMC 2 CMPTR DC
 2) SMC 2 SNSR EXC AC

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

A

Stall Management Computer Installation
Figure 401

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH STALL MANAGEMENT ú

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 COMPUTER P/N 65-52822  ú ú 01 Page 402 ú Mar 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (b)  P6-2 Panel
 1) AUTOSLAT 2 DC

 S 864-015
 CAUTION:_______REFER TO AMM 20-40-12/201 BEFORE YOU TOUCH THE SMC. THE SMC IS STATIC SENSITIVE. STATIC DISCHARGE CAN CAUSE DAMAGE TO DEVICES IN THE SMC.
 (3)  
Follow the procedure for electrostatic discharge sensitive devices (AMM 20-40-12/201).

 S 024-014

 (4)  
Loosen the knob and remove the SMC from the E1-1 shelf (AMM 20-10-07/201).

 TASK 27-32-42-404-013
 3.  Stall Management Computer Installation (Fig. 401)______________________________________
 A. References
 (1)  
AMM 20-10-07/201, E/E Rack-Mounted Components - Maintenance Practices

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

 (3)  
AMM 24-22-00/201, Manual Control

 (4)  
AMM 27-81-00/201, Leading Edge Flap and Slat Control System

 (5)  
AMM 34-22-00/501, Electronic Flight Instrument System

 B.
Access

 (1)  
Location Zone
 111, 112 Control Cabin
 205 Electronic Compartment

 (2)  
Access Panel
 1201 Electronic Equipment Access Door

 C.
SMC Installation

 S 864-019
 CAUTION:_______REFER TO AMM 20-40-12/201 BEFORE YOU TOUCH THE SMC. THE SMC IS STATIC SENSITIVE. STATIC DISCHARGE CAN CAUSE DAMAGE TO DEVICES IN THE SMC.
　
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