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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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Push the <BRAKE SYSTEM BITE LSK.

 (c)  
Ignore the instructions of the TEST PRECONDITIONS screen and push the START TEST> LSK.


 NOTE: The CDU will show test configuration error
____
 indications next.

 (d)  Make sure that the CDU shows these configuration error indications: 1) NO. 1 GEAR HANDLE SWITCH IS IN NOT-DOWN POSITION 2) NO. 2 GEAR HANDLE SWITCH IS IN NOT-DOWN POSITION.
 NOTE: Push the CONTINUE> LSK until you find the
____ configuration error indications above.
 (e)  
Push the <RETURN LSK until the GROUND TESTS menu shows.

 (f)  
Move the landing gear control handle to the DOWN/EXTEND position.

 K.
Do this Test of the Autobrake System


 S 735-261
 (1)  
Do this task "Ground Test - Autobrake Application."

 S 735-262

 (2)  
Do a test of the IRS signal for the autobrake system with the steps that follow:

 (a)  
Do these steps to prepare for a test of the IRS signal for the autobrake system: 1) Make sure that the wheel chocks are installed.


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 (b)
(c)
A
747-400 MAINTENANCE MANUAL
 2)  If necessary, release the parking brake.
 3)  Make sure that all thrust levers are set to the aft stop.
 4)  Make sure the landing gear control handle is in the DOWN/EXTEND position.
 5)  Make sure that all three inertial reference systems are aligned (AMM 34-21-00/201).
 6)  Make sure that the SPEED BRAKE lever is in the DOWN position.
 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 EQUIPMENT.
 7)  Pressurize hydraulic system No. 4 (AMM 29-11-00/201).
Do these steps to do a test of the left (L) IRS signal for the
 autobrake system:
 1)  Set the IRS SOURCE SELECT switch on the Captain's Main Instrument Panel, P1, to the L position.
 2)  Set the IRS SOURCE SELECT switch on the First Officer's Main Instrument Panel, P3, to the L position.
 3)  Push the <BRAKE SYSTEM BITE LSK.
 4)  Ignore the instructions of the TEST PRECONDITIONS screen and push the START TEST> LSK.
 5)  Make sure that the CDU shows only the configuration error indication
 -NO POWER TO A/B
 -ARM AUTOBRAKE SELECTOR IN MAX
 -IF AUTOBRAKE OFF, A/B TESTS WILL NOT RUN. 6) Push the CONTINUE> LSK. 7) Make sure that the CDU shows the SYSTEM TEST COMPLETED
 screen.
 8)  Push the <RETURN LSK until the GROUND TESTS menu shows.
Do these steps to do a test of the center (C) IRS signal for
 the autobrake system:
 1)  Set the L IRS mode selector switch, on the P5 panel, to
 OFF.
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 (d)

A
747-400 MAINTENANCE MANUAL
 2)  Make sure that the IRS SOURCE SELECT switch, on the P1 panel, is set to the L position.
 3)  Make sure that the IRS SOURCE SELECT switch, on the P3 panel, is set to the L position.
 4)  Push the <BRAKE SYSTEM BITE LSK.
 5)  Ignore the instructions of the TEST PRECONDITIONS screen and push the START TEST> LSK.
 6)  Make sure that the CDU shows the configuration error indication NO IRS SIGNAL CAPTAIN'S SELECTED.
 7)  Push the CONTINUE> LSK.
 8)  Make sure that the CDU shows the configuration error indication NO IRS SIGNAL FIRST OFFICER'S SELECTED.
 9)  Push the <RETURN LSK until the GROUND TESTS menu shows.
 10) Set the IRS SOURCE SELECT switch, on the P1 panel, to the C position.
 
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