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 (1) Install the ground locks in all landing gear (AMM 09-11-00/201).
 S 494-040
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS 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 494-041

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

 F.
Procedure

 S 224-050
 CAUTION: MAKE SURE THAT YOU DO NOT MOVE OR DAMAGE THE WING GEAR TRUCK
_______ SENSORS OR TARGET BRACKET. IF THE TARGET BRACKET OR SENSORS ARE MOVED, THEN THE AIRPLANE SYSTEMS MAY NOT RECOGNIZE AN IN-AIR CONDITION.
 (1)  If the sensor or target bracket is moved or damaged, then do the task to measure the wing landing gear truck sensor clearance (AMM 32-61-22/201).
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A
747-400
MAINTENANCE MANUAL

SEE A
SHOCK STRUT 
DRAG BRACE 
HYDRAULIC LINES 
FWD  SEE  F  TRUCK 
TILT 
ACTUATOR 
UPPER 
SEE  E  TORSION 
LINK 
SEE  B 

TRUCK WHEEL  SEE  C  SEE  D 
Figure 401 (Sheet 1) Wing Gear Shock Strut Installation 

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A
747-400 MAINTENANCE MANUAL
SHOCK STRUT
OUTBOARD DOOR FITTING
DRAG BRACE
SHOCK STRUT 
A
HYDRAULIC LINES 
TRUCK ACTUATOR TILT 

LOWER TORSION LINK
B
Wing Gear Shock Strut Installation Figure 401 (Sheet 2)
JUNCTION BOX
SHOCK STRUT
UPPER TORSION LINK

WHEEL
TRUCK

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A

747-400 MAINTENANCE MANUAL
INNER CYLINDER YOKE
1.  
WASHER

2.  
NUT

3.  
LUBRICATION INSERT

4.  
O-RINGS (2 LOCATIONS)

5.  
LOCKBOLT

BRAKE ROD
BRAKE ROD
7.  BRAKE
ROD BOLT

6.  O-RINGS (2 LOCATIONS)
C
INNER CYLINDER YOKE
8.  
SPLINE WASHER

9.
PIVOT NUT FWD

10.LUBRICATION INSERT
11.
LOCKBOLT INBD

12.
O-RINGS

13.
TRUCK PIVOT BOLT

1
TRUCK BEAM
BOLT HEAD MUST BE
ON THE INBOARD
SIDE OF THE TRUCK
BEAM

1
D
Wing Landing Gear Shock Strut Installation
Figure 401 (Sheet 3)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SHOCK STRUT
14.  BOLT
TRUCK LOCK ASSEMBLY
15.  NUT
UPPER
TORSION
LINK

E 17. SHIM
16.  LOCKBOLT
SHOCK STRUT
19.  WASHER
18.  NUT
22. BOLT PIN
20.

21.
END CAP (2 PLACES)

23.  WASHER (2 PLACES)
　
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