5
0.0050
0.0070
6
(0.178)
7
0.0030 (0.0762)
0.0050
8
(0.127)
0.0150
9
(0.381)
0.0395
10
(1.003)
PART WORN REPLACE  PART WORN REPAIR  INSTR REPAIR 
X 
X  X  3 
4 
X 
X 
X 
X  X  5 
X  X  4 
X  X  6 
X  X  4 
X  X  4 
X  X  4 
X 

Inboard Flight Spoiler Quadrant Installation
Figure 201 (Sheet 4)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

RIG PIN HOLE
PLATE
BACR15BB6B RIG PIN SHEAR RIVET
QUADRANT

ALUMINUM FOIL MARKER  ALUMINUM FOIL MARKER

Inboard Flight Spoiler Quadrant Installation
Figure 201 (Sheet 5)

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A
747-400 MAINTENANCE MANUAL
 TASK 27-61-06-402-011
 3.  Inboard Flight Spoiler Quadrant Installation (Fig. 201)____________________________________________
 A. Special Tools and Equipment
 (1)  
G12001-50 Rig Pin Kit

 B.
References

 (1)  
24-22-00/201, Manual Control

 (2)  
29-11-00/201, Main Hydraulic Supply System

 C.
Access

 (1)  
Location Zone
 135 Left Wing Landing Gear Wheel Well
 136 Right Wing Landing Gear Wheel Well
 575 Spoiler No. 5
 675 Spoiler No. 8

 (2)  
Access Panel
 572FB Access Panel - Trailing Edge Lower, LH
 672FB Access Panel - Trailing Edge Lower, RH

 D.
Procedure

 S 422-012
 (1)  
Attach the quadrant to the mounting bracket:

 (a)  
Install the bolt, spacer, washer and nut.

 (b)  
Install the cotter pin.

 S 432-013
 (2)  
Connect the cables to the quadrant and install the cotter pins to hold the cables.

 S 432-014

 (3)  
Connect the input arm rod to the quadrant lever.

 (a)  
Install the cotter pin.

 S 432-015
 (4)  
Connect the ratio changer linkage to the mounting bracket and the actuator.

 (a)  
Install the cotter pins.

 S 862-016
 (5)  
Do this task to pressurize hydraulic system No. 4: "Hydraulic System Pressurization" (Ref 29-11-00/201).

 (6)
Do this task: "Supply Electrical Power" (Ref 24-22-00/201).

 S 832-018

 (7)  
Adjust the control cables:

 (a)  
Turn the captain's control wheel to manually adjust the aileron system until you can install rig pin A/S-4 (A/S-5, right).

 S 862-017
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747-400 MAINTENANCE MANUAL
 (b)  
Install the rig pin A/S-19 (A/S-21, right) in the inboard flight spoiler quadrant.

 (c)  
Tighten the control cables to the tension shown in Fig. 201. 1) Make sure the rig pins move freely.

 (d)  
Install the lock clips on the turnbuckle.

 (e)  
Remove the rig pins.

 S 712-019
 (8)  
　
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