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A
747-400 MAINTENANCE MANUAL
 F. Put the Airplane in its Usual Position
 S 864-027
 (1)
Remove the hydraulic power from system No. 1 (AMM 29-11-00/201).

 S 414-028

 (2)  
Connect the steering actuators of the body landing gear to the torsion links (AMM 32-53-11/201).

 S 414-029

 (3)  
Connect the torsion links of the nose landing gear at the apex (AMM 32-21-03/201).

 S 864-030

 (4)  
Remove the electrical power (AMM 24-22-00/201).

 S 094-031
 WARNING:_______REFER TO AMM 32-00-30/201 FOR THE LOCK REMOVAL PROCEDURE. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  Remove the door locks of the wing and the body landing gear (AMM 32-00-30/201).
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747-400 MAINTENANCE MANUAL
 BODY GEAR STEERING MODULE FILTER - REMOVAL/INSTALLATION
_______________________________________________________
 1. General
_______
 A. This procedure removes and installs the body gear steering module filter.
 TASK 32-53-08-004-001
 2. Body Gear Steering Module Filter Removal
________________________________________
 A. References
 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
IPC 32-53-05 Fig. 1

 B.
Access

 (1)  
Location Zone
 755 Body Landing Gear, LH
 765 Body Landing Gear, RH

 C.
Prepare for Removal

 S 864-002
 (1)  Make sure that you install the ground locks of the landing gear (AMM 09-11-00/201).
 S 494-003
 WARNING: REFER TO AMM 32-00-30/201 FOR THE LOCK INSTALLATION PROCEDURE.
_______ THE FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT IF YOU DO NOT INSTALL THE LOCKS CORRECTLY.
 (2)  
Install the door locks of the wing and body gear (AMM 32-00-30/201).

 S 844-004

 (3)
Remove the system No. 1 hydraulic power (AMM 29-11-00/201).

 D.
Steering Module Filter Removal (Fig. 401)

 (1)  
Remove the filter cover.

 S 034-005
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747-400
MAINTENANCE MANUAL

SEE A
FILTERRETAINERS
O-RING O-RING
CONTROL MODULE
COVER
RETAINERS
A
Body Gear Steering Module Filter Installation
Figure 401

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747-400 MAINTENANCE MANUAL
 S 034-006
 (2)  Remove the retainers and the O-rings from the filter cover and discard the O-rings.
 S 024-007
 CAUTION: TO PREVENT A POSSIBLE MALFUNCTION OF THE UNIT, DO NOT LET DIRT
_______ OR OTHER CONTAMINATION GO INTO THE PORT OF THE FILTER.
 (3)  Pull the filter from the module assembly and seal the port with a plug.
 TASK 32-53-08-404-008
 3. Body Gear Steering Module Filter Installation
_____________________________________________
 A. Consumable Materials
 (1)  
D00153 Hydraulic Fluid, BMS 3-11

 B.
References
　
中國(guó)航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 起落架 LANDING GEAR 8(87)