S 845-402

 (8)  
Do these steps to prepare the Control Display Unit (CDU) for the system test:

 (a)  
Push the MENU key on the CDU to show the MENU.

 (b)  
Push the <CMC Line Select Key (LSK) to show the CMC MENU.

 1)  If the CMC MENU is not shown, push the <RETURN LSK until you see the CMC MENU.

 (c)  
Push the <GROUND TESTS LSK to show the GROUND TESTS menu.

 (d)  
Push the NEXT PAGE key until you find the <32 BRAKE CONTROLS prompt.

 (e)  
Push the <32 BRAKE CONTROLS LSK to show the GROUND TESTS menu for the brake control system.

 H.  
Do the Brake System BITE Test

 S 735-242
 (1)  
Do this task "Ground Test - Brake System Bite."

 I.  
Do a System Indication Test

 S 735-243
 (1)  
Open these circuit breakers:

 (a)  
P180 DC Power Distribution Panel
 1) 180F25 BRK CONT IND/TEST 1

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747-400 MAINTENANCE MANUAL
 2) 180J07 ANTISKID 1-3
 S 735-244
 (2)  
Do these steps:

 (a)  
Set the EIU SEL switch on the Pilot's Center Instrument Panel, P2, to the L position.

 (b)  
Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display.

 (c)  
Set the EIU SEL switch, on the P2 panel, to the C position.

 (d)  
Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display.

 (e)  
Set the EIU SEL switch, on the P2 panel, to the R position.

 (f)  
Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display.

 S 735-245
 (3)  
Open this circuit breaker:

 (a)  
P180 DC Power Distribution Panel
 1) 180F10 BRK CONT IND/TEST 2

 S 735-246
 (4)  
Do these steps:

 (a)  
Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) show on the top and bottom EICAS displays.

 (b)  
Set the EIU SEL switch, on the P2 panel, to the C position.

 (c)  
Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) show on the top and bottom EICAS displays.

 (d)  
Set the EIU SEL switch, on the P2 panel, to the L position.

 (e)  
Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) show on the top and bottom EICAS displays.

 S 735-247
 (5)  
Close this circuit breaker:

 (a)  
P180 DC Power Distribution Panel
 1) 180F25 BRK CONT IND/TEST 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 735-248
 (6)  Do these steps: (a) Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display. (b) Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) do not show on the top EICAS display. (c) Set the EIU SEL switch, on the P2 panel, to the C position. (d) Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display. (e) Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) do not show on the top EICAS display. (f) Set the EIU SEL switch, on the P2 panel, to the R position. (g) Make sure that the EICAS message ANTISKID (advisory) shows on the top EICAS display. (h) Make sure that the EICAS messages ANTISKID OFF (advisory) and BRAKE LIMITER (advisory) do not show on the top EICAS display.
 S 735-249
 (7)  Close these circuit breakers: (a) P180 DC Power Distribution Panel 1) 180F10 BRK CONT IND/TEST 2 2) 180J07 ANTISKID 1-3
　
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