S 745-357

 (2)  
Push the LSK that is adjacent to START TEST> after the instructions of the TEST PRECONDITIONS screen are complete. The CDU will then show the first of three menus for the Torque Sensor Zero Function.

 S 745-358

 (3)  
As necessary, do the Torque Sensor Zero Function at each of the 16 wheel locations as follows:

 (a)  
Push the LSK related to a brake, to start the Torque Sensor Zero Function at that brake.

 (b)  
Let the Torque Sensor Zero Function complete.

 NOTE: A CDU screen shows that the Torque Sensor Zero
____ Function is complete for a wheel location.
 S 745-360
 (4)  Push the LSK that is adjacent to <RETURN until the GROUND TESTS menu shows.
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MAINTENANCE MANUAL

 S 745-261
 (5)  Look for PASS or FAIL> adjacent to <TORQ SENSOR ZERO.
 NOTE: If a PASS indication shows, no failures occured during
____
 the test.

 (a)  If FAIL> shows, do the steps that follow to find the corrective action for the failure: 1) Push the LSK that is adjacent to <FAIL to see the GROUND
 TEST MSG pages for the failure. 2) Push the NEXT PAGE key until you find all the GROUND TEST MSG pages. 3) Make a list of all CMCS messages, CMCS message numbers, and ATA numbers that show on the GROUND TEST MSG pages. 4) Go to the CMCS Message Index of the Fault Isolation Manual (FIM) to find the corrective action for each CMCS message.
 G. Put the Airplane Back to Its Usual Condition
 S 845-361
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL
_______ CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMEMNT.
 (1)  
Pressurize hydraulic system No. 4 (AMM 29-11-00/201).

 S 845-226

 (2)  
Set the parking brake.

 S 845-259

 (3)
Remove the power from hydraulic system No. 4 (AMM 29-11-00/201).

 S 845-246

 (4)  
Set the GND TESTS switch, on the P461 panel or in the main equipment center, to the NORM position.

 S 845-248

 (5)  
From the GROUND TESTS menu, push the LSK that is adjacent to <RETURN to return to the CMC MENU.

 S 845-250

 (6)  
Remove the electrical power, if it is not necessary
 (AMM 24-22-00/201).

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747-400 MAINTENANCE MANUAL
 TASK 32-42-00-735-003
 7.  System Test - Brake Control System__________________________________
 A. General
 (1)  
The system test task for the brake control system includes the items that follow:

 (a)  
The Brake System BITE Test

 (b)  
A system indication test

 (c)  
A test of the antiskid system

 (d)  
A test of the autobrake system

 (e)  
A test of the brake torque limiting system.

 B.
Special Tools and Equipment

 (1)  
A32075-10 Adapter - Antiskid Transducer,
 Spin-up (Recommended)

 A32075-9 Adapter - Antiskid Transducer,Spin-up (Alternative)
 A32075-1 Adapter - Antiskid Transducer, Spin-up (Alternative)
 (2)  
Test Equipment - Torque Sensor, Brake
 Control - G32014-20

 C.
Standard Tools and Equipment

 (1)  
Gage, Hydraulic pressure, 0-4000 psi with a
 0.5625 (inch)-18 UNF male thread adapter
 (Aeroquip P/N 2266-6-8S) (16 Necessary) -Commerically Available

 NOTE: The adapter permits installation of the
　
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