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时间:2011-04-13 08:10来源:蓝天飞行翻译 作者:航空
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 36-11-20
 ALL  ú ú 01P Page 302 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (2)  
Do the deactivation procedure for the thrust reverser for ground maintenance (Ref 78-31-00/201).

 S 013-013

 (3)  
Open the left fan cowl panel (Ref 71-11-04/201).

 S 013-014

 (4)  
Open the left core cowl panel (Ref 71-11-06/201).


 S 013-015
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS WHEN YOU OPEN THE THRUST REVERSERS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (5)  
Open the left thrust reverser (Ref 78-31-00/201).

 E.
Do the Servicing of the Pressure Controller


 S 033-004
 (1)  
Remove the filter plug and the O-ring.

 (a)  
Discard the O-ring.


 S 023-005
 (2)
Remove the spring and the filter from the pressure controller.

 S 423-006

 (3)
Install a new filter and the spring in the pressure controller.

 S 433-007

 (4)  
Install the O-ring on the filter plug.

 S 643-008

 (5)  
Use grease to lubricate the filter plug.

 S 433-009

 (6)  
Install the plug in the port of the pressure controller.

 (a)  
Tighten the filter plug to 10-20 pound-inches (1-2 N.m).

 (b)  
Install the lockwire.

 F.
Put the Airplane Back to Its Usual Condition


 S 413-016
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS WHEN YOU CLOSE THE THRUST REVERSERS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  Close the left thrust reverser (Ref 78-31-00/201).
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 36-11-20
 ALL  ú ú 01P Page 303 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (2)  S 413-017Close the left core cowl panel (Ref 71-11-06/201).
 (3)  S 413-018Close the left fan cowl panel (71-11-04/201).
 (4)  S 443-019Do the activation procedure for the thrust reverser (Ref 78-31-00/201).

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 36-11-20
 ALL  ú ú 01P Page 304 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 PRESSURE CONTROLLER - REMOVAL/INSTALLATION
__________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the pressure controller. The second task installs the pressure controller.
 B.  The pressure controller is installed on the forward face of the main gearbox of the engine in the 7:00 o'clock position. It is necessary to open the left half of the thrust reverser to get access to the pressure controller.
 C.  The installation of the pressure controller is the same for each engine.
 D.  If a new pressure controller is installed, it is necessary to replace the O-rings on the fittings of the pressure controller.
 TASK 36-11-20-004-035
 2.  Remove the Pressure Controller (Fig. 401)______________________________
 A.  References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 36-00-00/201, Pneumatic System

 (3)  
AMM 36-11-05/201, High Pressure Shutoff Valve

 (4)  
AMM 71-11-04/201, Fan Cowl Panels

 (5)  
AMM 71-11-06/201, Core Cowl Panels

 (6)  
AMM 78-31-00/201, Thrust Reverser System

 B.  
Access

 (1)  
Location Zone 412 Engine 1 - Main Gearbox Forward Face 7 o'clock 422 Engine 2 - Main Gearbox Forward Face 7 o'clock 432 Engine 3 - Main Gearbox Forward Face 7 o'clock 442 Engine 4 - Main Gearbox Forward Face 7 o'clock
 
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