D.
Prepare for Removal

 S 864-002
 (1)  Make sure the landing gear ground locks are installed (AMM 09-11-00/201).
 S 494-032
 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 494-039

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

 E.
Removal

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A

747-400
MAINTENANCE MANUAL

SIDE BRACE 
SHOCK STRUT 
SEE  A 
STEERING 
MECHANISM 
SEE  B 

SEE C
BRAKE RODS
WHEEL TRUCK SEE
D
TRUCK
POSITIONER
ACTUATOR
Body Gear Shock Strut Installation
Figure 401 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
WASHER SPLINED BRACKET ELECTRICAL  A 747-400 MAINTENANCE MANUAL YOKE STEERING SHOCK STRUT 
CYLINDERS STEERING  YOKE ATTACH PIN 
TORSION LINK WHEEL TRUCK 
SHOCK STRUT 
A  (2 LOCATIONS) NYLON SPACER 
CLAMP-UP BUSHING (2 LOCATIONS)  BOLT 
TRUCK POSITIONER ACTUATOR 
WHEEL TRUCK 
Figure 401 (Sheet 2) Body Gear Shock Strut Installation B 

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A
747-400
MAINTENANCE MANUAL

OF THE SHOCK STRUT INNER CYLINDER 
SPLINED WASHER PIVOT NUT 
INBD  LOCKBOLT 
TRUCK PIVOT BOLT 1 
INNER CYLINDER OF THE SHOCK STRUT NUT WASHER  C  WHEEL TRUCK 
LOCKBOLT 
BRAKE ROD 
BRAKE ROD 
1  D BOLT BOLT HEAD MUST BE ON THE INBOARD SIDE OF THE WHEEL TRUCK 
Figure 401 (Sheet 3) Body Gear Shock Strut Installation 

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A
747-400 MAINTENANCE MANUAL
 S 034-004
 WARNING:_______ YOU MUST HOLD THE SHOCK STRUT IN A VERTICAL POSITION
 WHEN THE LANDING GEAR IS REMOVED FROM THE AIRPLANE.  THE SHOCK
 STRUT CAN FALL OVER IF IT IS NOT HELD VERTICALLY.  THIS CAN

 CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  Remove the body gear from the airplane (AMM 32-13-01/401).
 NOTE: You can let the gear stay in the transportation and handling
____ dolly, or you can lift it to an adequate workstand with the overhead mechanical equipment.
 S 034-005
 (2)  
Loosen the brackets that hold the conduit and the junction box to the shock strut.

 S 034-006

 (3)  
Lower the wiring harness to the floor, but leave it connected to the steering mechanism and wheel truck.

 S 034-007

 (4)  
Remove the hydraulic lines from the shock strut, and seal the lines and fittings with caps.

 NOTE: You can leave the hydraulic lines connected to the wheel
　
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