(5)  
AMM 32-33-15/401, Body Gear Downlock Actuator

 (6)  
AIPC 32-13-01 Fig. 1

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-04
 ALL  ú ú 01 Page 401 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (7)  
AIPC 32-13-05 Fig. 1

 (8)  
AIPC 32-13-10 Fig. 1

 (9)  
AIPC 32-33-15 Fig. 1

 (10)
 AIPC 32-33-26 Fig. 1

 E.
Access

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

 F.
Prepare for Removal

 S 494-033
 WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1) Install the ground locks in all landing gear (AMM 09-11-00/201).
 S 494-034
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-036

 (3)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 S 864-005
 WARNING: THE AIRPLANE WEIGHT MUST BE REMOVED FROM THE GEAR TO PRECLUDE
_______ INADVERTENT GEAR ROTATION FORWARD AROUND THE TRUNNION WHICH WILL DRIVE THE DRAG STRUT/JURY STRUT INBOARD RESULTING IN POSSIBLE PERSONNEL INJURY.
 (4)
Jack airplane until wheels just clear ground (AMM 07-11-02/201).

 S 844-006

 (5)
Depressurize hydraulic systems No. 1 and 4 (AMM 29-11-00/201).

 G.
Remove Upper Drag Strut (Fig. 401)

 (1)  
Remove the downlock actuator (Ref 32-33-15/401).

 S 034-007
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-04
 ALL  ú ú 01 Page 402 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SEE  A 
SEE  B 
2.  BOLT SPINDLE  (5 LOCATIONS) O-RING INSERT LUBE3. 4.  SPINDLE UPPER 
1.  UPPER DRAG STRUT  NUT SWIVEL HYDRAULIC TANG WASHER LOCKBOLT8. 7. 6. 5. 
20.  DOWNLOCK LINES HYDRAULIC SELF LOCKING NUT, FLAT WASHER (REF 32-33-15/401) ACTUATOR 11. 10. 9. 
STRUT JURY 
A 
Figure 401 (Sheet 1) Body Gear Upper Drag Strut Installation 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-04
 ALL  ú ú 01 Page 403 ú Feb 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

Body Gear Upper Drag Strut Installation
Figure 401 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-13-04
 ALL  ú ú 01 Page 404 ú Feb 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 034-008
 (2)  
Disconnect all the hydraulic lines (11) from the swivel (5), cap fittings and lines.

 S 034-009

 (3)  
Remove the hydraulic lines (11) from the strut by loosening the clamps from the brackets.

 S 494-010
 WARNING: THE BUNGEE IS SPRING-LOADED AND MUST BE RESTRAINED BEFORE
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 2(167)