(4)
Remove electrical power (AMM 24-22-00/201).
S 864-011
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
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A 737-300/400/500MAINTENANCE MANUAL
A
Stall Management Computer Installation
Figure 401
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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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