S 434-143

 (8)  
Install the hydraulic lines on truck (Fig. 402).

 (a)  
Put the hydraulic lines through the support brackets (Fig. 402).

 (b)  
Make sure the hydraulic line for the truck positioning actuator is connected to the truck positioning actuator (Fig. 401).

 (c)  
Install the hydraulic lines in the support brackets on the lower torion link (Fig. 402).

 S 434-144
 (9)  
Install the antiskid transducer and transducer drive in each axle (Ref 32-42-04/401).

 S 434-039

 (10)
 Install the brake assemblies on each axle (AMM 32-41-15/401).

 (11)
 Install the four tire and wheel assemblies (AMM 32-45-01/401).

 S 714-080

 (12)
 Do an operational test of the truck tilt sensors (AMM 32-61-12/201).

 H.
Put the Airplane Back to the Usual Condition

 S 434-040
 S 714-041
 (1)  
Do the test for the electronic unit of the proximity switch (PSEU) (AMM 32-09-03/501).

 (2)  
Remove the axle jacks (AMM 07-11-03/201).

 S 094-042
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747-400 MAINTENANCE MANUAL
 (3)  S 584-043Lower the airplane (AMM 07-11-01/201).
 (4)  S 094-044Remove the nylon sling from the shock strut cylinders.
 (5)  S 614-045Fill the shock strut (AMM 12-15-04/301).
 S 494-074

 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

 S 494-075

 (7)  
Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

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747-400 MAINTENANCE MANUAL
 BODY GEAR WHEEL TRUCK - INSPECTION/CHECK
________________________________________
 1.  General_______
 A.  This procedure has three tasks:
 (1)  
The measure of the fit for the pivot bolts

 (2)  
The measure of the fit for the truck lugs

 (3)  
The measure of the fit for the bushings and the bearings.

 B.  
You must disconnect the wheel truck from the lower torsion link and the pivot bolt to do the inspection.

 TASK 32-13-11-216-001
 2.  Wheel Truck Examination For The Worn Parts (Fig. 601)__________________________________________
 A.  References
 (1)  
32-00-01/801, Landing Gear-Component Axial Clearance

 (2)  
32-13-11/401, Body Gear Wheel Truck

 (3)  
32-13-26/401, Body Landing Gear Axle Sleeve

 (4)  
IPC 32-13-11 Fig. 1

 B.  
Access

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

 C.  
Procedure

 S 026-002
 (1)  
Remove the wheel truck for the body landing gear (Ref 32-13-11/401).

 S 216-003

 (2)  
Do a check of the limits on the worn parts:

 (a)  
The pivot bolts

 (b)  
The lower torsion link

 (c)  
The truck lugs

 (d)  
The axle assemblies.

 (e)  
Measure the parts if it is necessary and compare the measured dimensions to the limit dimensions.
　
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