S 712-028

 (6)  
Make sure that the spoilers 1, 2, 11 and 12 move to the full down position and spoilers 3, 4, 9 and 10 move to the full up position.

 F.
Put the Airplane Back To Its Usual Condition

 S 092-020
 WARNING: CAREFULLY DO THE SPECIFIED TASK 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 AND DAMAGE TO EQUIPMENT.
 (1)  
Remove the door locks from the doors for the wing landing gear (Ref 32-00-30/201).

 S 862-021

 (2)
Release the pressure in the hydraulic system (Ref 29-11-00/201).

 TASK 27-61-07-302-022
 5.  Quadrant Repairs________________
 A. Consumable Materials
 (1)  
D00633 - BMS 3-33 (recommended)

 (2)  
D00013 Grease - MIL-G-23827 (alternative)

 (3)  
A00344 Compound - Soft Filmed (corrosion preventive), MIL-C-11796, Class 3

 B.
References

 (1)  
IPC 27-61-21, Fig. 1

 C.
Access

 (1)  
Location Zone
 135 Wing Landing Gear Wheel Well, LH
 136 Wing Landing Gear Wheel Well, RH

 D.
Procedure

 (1)  
Remove the spoiler differential mechanism quadrant.

 S 352-024

 (2)  
Repair the quadrant.

 S 022-023
 CAUTION:_______DO NOT MAKE THE RIVET HOLES LARGER. YOU WILL CAUSE DAMAGE TO THE QUADRANT.
 (a)  
Remove the broken parts of the rivets from the holes in the quadrant and the shaft.

 (b)  
Clean the surfaces of the parts.

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747-400 MAINTENANCE MANUAL
 (c)  
Apply a thin layer of grease to the surfaces of the parts.

 (d)  
Install the new shear rivets.

 NOTE: See the aluminum foil marker on the quadrant or Fig. 201
____
 for the rivets.

 (e)  
Examine the aluminum foil marker on the quadrant.
 1) Replace the marker if it is damaged or not there.

 (f)  
Clean the inspection hole.

 (g)  
Fill the inspection hole with corrosion preventive (soft filmed) compound.

 S 422-025
 (3)  Install the spoiler differential mechanism quadrant.
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747-400 MAINTENANCE MANUAL
 OUTBOARD FLIGHT SPOILER INPUT QUADRANT - MAINTENANCE PRACTICES
______________________________________________________________
 1.  General_______
 A.  There are three tasks in this procedure. There is one task for the removal and one task for the installation of a flight spoiler input quadrant. There is also a task to repair a quadrant. This procedure is applicable to all outboard flight spoiler input quadrants.
 TASK 27-61-08-002-001
 2.  Quadrant Removal(Fig. 201)__________________________
 A.  Special Tools and Equipment
 (1)  
G12001-50 Rig Pin Kit

 B.  
References

 (1)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
IPC 27-61-04, Fig. 1

 C.  
Access

 (1)  
Location Zone
 135 Wing Landing Gear Wells, LH
 136 Wing Landing Gear Wells, RH
 585 Spoiler No. 1
 584 Spoiler No. 2
 583 Spoiler No. 3
 582 Spoiler No. 4
 682 Spoiler No. 9
 683 Spoiler No. 10
　
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