CONTROL UNIT - BRAKING/STEERING (BSCU) (10GG) - REMOVAL/INSTALLATION
____________________________________________________________________ TASK 32-42-34-000-001 Removal of the Braking/Steering Control Unit (BSCU) (10GG)
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 1.8 m (5 ft. 11 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 31-32-00-860-009 Procedure to Get Access to the SYSTEM REPORT/TEST/L/G
 Page 32-46-00-740-003 BITE Test of the BSCU - LRU Identification 32-42-34-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 32-42-34-861-052
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 1EFF : ALL 1 32-42-34Page 401 1 1 Aug 01/05R 1 1 1CES 1

 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 301-399,
 Subtask 32-42-34-810-050
 B. Trouble Shooting Data
 (1) You can print the Trouble Shooting Data (TSD) as follows:
 -get access to the SYSTEM/REPORT/TEST (Ref. TASK 31-32-00-860-009). - on this page, push the line key adjacent to the BSCU1 and/or BSCU2 indication.
 - on the BSCU SYS1 and/or BSCU SYS2 page, push the line key adjacent to the TROUBLE SHOOTING DATA indication to get the TROUBLE SHOOTING DATA page.
 -print the TROUBLE SHOOTING DATA page.
R **ON A/C 106-149, 221-299, 401-499,
 Subtask 32-42-34-810-050-A
 B. Trouble Shooting Data
 (1) You can print the Trouble Shooting Data (TSD) as follows:
 -get access to the SYSTEM/REPORT/TEST (Ref. TASK 31-32-00-860-009). - on this page, push the line key adjacent to the BSCU1 and/or BSCU2 indication.
 - on the BSCU CHAN1 and/or BSCU CHAN 2 page, push the line key adjacent to the TROUBLE SHOOT DATA indication to get the TROUBLE SHOOTING DATA page.
 -print the TROUBLE SHOOTING DATA pages.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 Subtask 32-42-34-970-050
 C. Check of the BSCU pin programming
 (1) Do the LRU IDENTIFICATION selection (Ref. TASK 32-46-00-740-003).
 NOTE : Print or record the reference of the pin programming which is
____ shown on the LRU IDENTIFICATION page.
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R  **ON A/C 401-499, 
R  Subtask 32-42-34-970-050-A 
R  C. Not Applicable 
R  **ON A/C ALL
 Subtask 32-42-34-010-050
 D. Get Access to the Avionics Compartment
 (1) Put the access platform in position at the access door 811.
 (2) Open the access door 811.
 Subtask 32-42-34-865-050
 E. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33
 4. Procedure_________
 (Ref. Fig. 401/TASK 32-42-34-991-001)
 Subtask 32-42-34-020-050
 A. Removal of the BSCU
 (1) Loosen the nuts (4).
 (2) Lower the nuts (4).
 (3) Pull the BSCU (1) on its rack (3) to disconnect the electrical connectors (2).
 (4) Remove the BSCU (1) from its rack (3).
 (5) Put blanking caps on the disconnected electrical connectors.

 Braking/Steering Control Unit (BSCU) Figure 401/TASK 32-42-34-991-001
 1EFF : 1 1R 1CES  ALL  1 11 1 32-42-34 Page 404 Feb 01/04

 TASK 32-42-34-400-001
 Installation of the Braking/Steering Control Unit (BSCU) (10GG)
 1. Reason for the Job__________________
 Self Explanatory
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
　
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