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时间:2011-04-13 07:45来源:蓝天飞行翻译 作者:航空
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5  11 
4  12 
3  13 
2  14 
1  15 
NORM  16 
1  2  BRAKE INDICATION  13  14 
DISABLE 
3  4  7  8  9  15  16 
6  10 
5  11 
5  6  4  12  9  10 
3  13 
2  14 
7  8  1  15  11  12 
NORM  16 

A-A  H/A445-10
Brake System Control Unit (BSCU) Installation Figure 401
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 32-42-01
 ALL  ú ú 01 Page 403 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (c)  Remove the BSCU (AMM 20-11-22/401).
 TASK 32-42-01-424-006
 3.  Brake System Control Unit (BSCU) - Installation_______________________________________________
 A.  References
 (1)  
AMM 06-09-02/201, Body Section 42 Access Doors and Panels

 (2)  
AMM 20-11-22/401, E/E Rack Mounted Components

 (3)  
AMM 20-41-02/201, Electrostatic Discharge Sensitive Devices

 (4)  
AMM 32-42-00/501, Brake Control System

 (5)  
AIPC 32-42-01, Fig. 1

 B.  
Access

 (1)  
Location Zones


 125  Area Below Forward Cargo Container Compartment, LH (Brake System Control Unit location is at the center of the Equipment Center, E-9 Rack)
 221 Control Cabin, LH
 222 Control Cabin, RH

 (2)  
Access Panel
 125B - Access Electronics


 C.  
Install the Brake System Control Unit (BSCU) (Fig. 401)


 S 024-009
 (1)  
Do the steps that follow to install the BSCU:

 (a)  
Open access door 125B, on the bottom of the airplane fuselage, to get access to the E-9 shelf (AMM 06-09-02/201).


 CAUTION:  YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ INSTALL THE BSCU. A FAILURE TO DO THE STEPS CORRECTLY CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (b)  
Do this task before you install the BSCU on the E-9 shelf: "ESDS Metal Encased Units - Installation" (AMM 20-41-01/201).

 (c)  
Install the BSCU (AMM 20-11-22/401).

 (d)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers:


 1)  P180, DC Power Distribution Panel a) 180J07, ANTI SKID 1-3 b) 180F07, ANTI SKID 2-4 c) 180J22, ANTI SKID 5-7 d) 180F22, ANTI SKID 6-8 e) 180F23, ANTI SKID 9-11 f) 180J23, ANTI SKID 10-12 g) 180F08, ANTI SKID 13-15 h) 180J08, ANTI SKID 14-16 i) 180J25, AUTO BRK j) 180J09, TORQUE LIMIT 1-5, 9-13 k) 180F09, TORQUE LIMIT 2-6, 10-14 l) 180J24, TORQUE LIMIT 3-7, 11-15 m) 180F24, TORQUE LIMIT 4-8, 12-16 n) 180F25, BRK CONT IND/TEST 1
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 ALL  ú ú 01 Page 404 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 o) 180F10, BRK CONT IND/TEST 2 2) Make sure the 180B04 IRS ON BAT circuit is closed.
 S 714-010
 (2) Do this task: "Ground Test - Brake System Bite" (AMM 32-42-00/501).
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 32-42-01
 ALL  ú ú 01 Page 405 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 ANTISKID MODULE ASSEMBLY - MAINTENANCE PRACTICES
________________________________________________
 1. General
_______
 A. This procedure contains these tasks:
 -
Antiskid Valve Assembly (Normal Antiskid Module) - Removal

 -
Antiskid Valve Assembly (Normal Antiskid Module) - Installation
 
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