(18)
 AIPC 32-41-15 Fig. 1

 (19)
 AIPC 32-42-20 Fig. 1,

 (20)
 AIPC 32-45-01 Fig. 2

 (21)
 AIPC 32-48-00 Fig. 10

 D.
Access

 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

 E.
Prepare for the procedure

 S 434-028
 (1)  
Prepare the pivot pin assembly for the installation.

 (a)  
Examine the O-rings (13) on the lubrication insert (14) for the worn areas or the damage.

 (b)  
Replace the O-rings (13) if it is necessary.

 (c)  
Apply a heavy layer of grease on the O-rings (13), the lubrication insert (14), and the internal surface of the pivot bolt (6).

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747-400 MAINTENANCE MANUAL
 (d)  
Move the O-rings (13) on the lubrication insert (14).

 (e)  
Put the lubricant on the insert again if it is necessary.

 (f)  
Move the lubrication insert (14) into the pivot bolt (6) to make the pivot pin assembly.

 NOTE: Align the lockbolt holes.
____
 F. Procedure
 S 224-095
 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).
 S 424-029
 WARNING:_______MAKE SURE YOU HOLD THE PARTS SAFELY. THE TRUCK BEAM ASSEMBLY WEIGHS APPROXIMATELY 730 POUNDS. IF YOU DO NOT OPERATE SAFELY, IT CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE PARTS
 (2)  
Put a wheel truck assembly below the shock strut with the axle jacks below each end.

 S 644-030

 (3)  
Lightly put grease on the pivot holes and the shank of the pivot bolt (6).

 NOTE: Put the thread protector on the pivot bolt and install the
____
 bolt.

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 S 644-031
 (4)  Remove the thread protector.
 NOTE: Lubricate the washer, the threads of the pivot bolt (6) and
____
 the nut with the grease.

 S 434-032
 (5)  Install the washer and the nut on the pivot bolt (6) with the bolt head points inboard.
 NOTE: Use the spanner wrench to tighten the nut 960 to 1200
____ pound-inches. Loosen the nut to the nearest castellation. Install the lockbolt, the washer and the self-locking nut.
 S 624-033
 (6)  Seal the lockbolt with the tamperproof putty.
 NOTE: The tampering must cause the seal to break.
____
 S 434-034
 (7)  
Install the brake rods (AMM 32-42-20/401).

 S 434-035

 (8)  
Connect the lower torsion link (AMM 32-11-14/401).

 S 644-036

 (9)  
Lubricate the universal bolt (11), the washer and the nut with grease.

 S 434-037

 (10)
 Connect the universal (10) to the truck and tighten the self-locking nut to torque, 300-420 pound-inches.

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 S 434-038
 (11)
 Install the antiskid wires from the conduit through the pull boxes into the axles and connect the antiskid connectors (SWPM 20-10-11).
　
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