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747-400 MAINTENANCE MANUAL
 S 024-013
 (5)  Remove the restraint/caster unit.
 D. Remove a Caster
 S 034-025
 (1)  
Remove the four nuts, washers, and screws which hold the caster to the side rails of the restraint/caster unit.

 S 024-014

 (2)  
Remove the caster.

 E. Remove a Retractable Restraint
 S 034-006
 (1)  
Remove the screw on the inboard side of the retractable restraint.

 S 034-007

 (2)  
Move the retractable restraint inboard until you can lift if out of the hole in the restraint housing.

 S 024-015

 (3)  
Remove the retractable restraint.

 TASK 25-58-03-404-007
 3. Vertical and Side Restraint/Caster Unit Installation (Fig. 401)
____________________________________________________
 A. References
 (1)  
25-57-04/401, Caster/Roller Trays

 (2)  
25-58-02/401, Outboard Guide/Restraint Rails

 B. Access
 (1)  Location Zone
 210 Main Deck

 C. Install the Restraint/Caster Unit
 S 434-016
 (1)  Lift the shear-plunger lever to retract the shear pin.
 NOTE: The shear-plunger lever is at the aft end of the
____ restraint/caster unit on the inboard side.
 S 424-017
 (2)  Align the tension studs on the bottom of the restraint/caster unit with the holes in the floor fittings.
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747-400
MAINTENANCE MANUAL

 S 434-018
 (3)  Move the restraint/caster unit approximately 0.50 inch in the aft direction.
 NOTE: The shear pin at the shear-plunger lever must align with the
____
 hole in the aft floor fitting.

 S 434-019
 (4)  
Lower the shear-plunger lever to lock the restraint/caster unit to the floor fittings.

 S 414-023

 (5)  
Install the guide rail adjacent to the restraint/caster unit (Ref 25-58-02/401).

 S 414-024

 (6)  
Install the caster tray adjacent to the restraint/caster unit (Ref 25-57-04/401).

 D. Install a Caster
 S 424-028
 (1)  
Put the caster in its position on the side rails of the
 restraint/caster unit.

 S 434-020

 (2)  
Install the four screws, washers, and nuts.

 E. Install a Retractable Restraint
 S 034-011
 (1)
Remove the screw on the inboard side of the retractable restraint.

 S 424-027

 (2)  
Lower the inboard end of the retractable restraint into the hole in the restraint housing.

 NOTE: The screw hole in the retractable restraint must be on the
____
 inboard side of the restraint housing.

 S 434-022
 (3)  Move the retractable restraint in the outboard direction.
 NOTE: The screw hole in the retractable restraint must align with
____
 the hole in the restraint housing.

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747-400 MAINTENANCE MANUAL
 S 434-021
 (4)  Install the screw to lock the retractable restraint in the restraint housing.
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