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时间:2011-04-10 09:54来源:蓝天飞行翻译 作者:航空
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 (1)  Install the TOW PIN at the steering metering valve for the nose landing gear (AMM 09-11-00/201).
 NOTE: You do this to make sure the nose landing gear does not turn.
____
 S 495-124
 (2)  
Make sure the wheels of the airplane have chocks installed.

 S 865-071

 (3)  
Supply electrical power (AMM 24-22-00/201).

 (4)  
Make sure that the EICAS is serviceable (AMM 31-61-00/201).

 (5)  
Make sure that the CMC is serviceable (AMM 45-10-00/201).


 S 865-072
 S 865-073
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 27-21-00
 ALL  ú ú 01 Page 531 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 G. Rudder Pedal Adjustment Test
 NOTE: Do this procedure for the captain's rudder pedals first, then do
____
 it again for the first officer's rudder pedals.

 S 735-078
 (1)  
Procedure

 (a)  
Do these steps to adjust the rudder pedals to their center position: 1) Use the adjustment crank to move the rudder pedals to their

 fully forward position. 2) Turn the adjustment crank back 6.5 turns from the fully forward position.

 (b)  
Set the rudder trim indicator to zero.

 (c)  
Set the parking brake.

 (d)  
Use the adjustment crank to adjust the rudder pedals to the fully forward position.

 (e)  
Shake the rudder pedals to make sure they are in their center position. 1) Make sure the flight controls maintenance page of EICAS

 shows the rudder pedals are at -0.3 to 0.3 degrees. 2) Put masking tape on the floor to show the position of the rudder pedals.

 (f)
Push the left rudder pedal to its fully forward position. 1) Make sure the rudder pedal does not touch the air

 conditioning ducts, electrical wires or other parts. 2) Make sure the rudder pedal touches the forward stop. 3) Release the rudder pedal.

 (g)
Push the right rudder pedal to its fully forward position. 1) Make sure the rudder pedal does not touch the air

 conditioning ducts, electrical wires or other parts. 2) Make sure the rudder pedal touches the forward stop. 3) Release the rudder pedal.

 (h)  
Release the parking brake.

 (i)  
Use the adjustment crank to adjust the rudder pedals to the fully aft position.

 (j)  
Shake the rudder pedals to make sure they are in their center position. 1) Make sure the rudder pedals adjusted 5.90-6.10 inches from

 the fully forward position.

 (k)  
Push the right rudder pedal fully forward. 1) Make sure the rudder pedal touches the forward stop. 2) Release the rudder pedal.

 (l)  
Push the left rudder pedal fully forward. 1) Make sure the rudder pedal touches the forward stop.


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 27-21-00
 ALL  ú ú 01 Page 532 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 2) Release the rudder pedal.
 H. Rudder Pedal Travel Test
 NOTE: Do this procedure for the captain's rudder pedals first, then do
____
 it again for the first officer's rudder pedals.

 S 735-079
 (1)  
Procedure

 (a)  
Move the rudder pedals through three or four cycles. 1) Make sure the rudder pedals move smoothly.

 (b)  
Use a clamp to attach a square to the seat track as a reference point to measure from.

 (c)  
Shake the rudder pedals to make sure they are in their center position.

 (d)  
Push the left rudder pedal fully forward. 1) Measure the travel of the rudder pedal from its center position. 2) Make sure the travel is 4.05-4.20 inches measured along the floor. 3) Make sure the flight controls maintenance page of EICAS

 shows a rudder pedal travel of 19.5-23.5 degrees left. 4) Release the rudder pedal.

 (e)  
Shake the rudder pedals to make sure they are in their center position.
 
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本文链接地址:747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(59)