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 3)  Pressurize systems No. 2 and 3 hydraulic power (AMM 29-11-00/201).
 4)  Set the horizontal stabilizer to a B dimension of 14.21 +/-
0.05 inches. 5) Pressurize auxiliary pitot systems No. 1 and 2 to 237 +/-30 knots (1.39+/- 0.35 psi).
 6)  Move the captain's or first officer's control column from center detent slowly to the 5/6 full aft position (approximately 10 degrees).
 7)  Make sure that the force to move the control column is
 approximately 53 to 73 pounds.
 8) Release the control column.
Re-connect the right inboard PCU linkage to the aft quadrant.
 1) Move the captain's or first officer's control column from
 center detent slowly to the 5/6 full aft position
 (approximately 10 degrees).
 2) Make sure that the force to move the control column is 53
 to 73 pounds.
 3) Release the control column.
 4) Depressurize system No. 2 and 3 hydraulic power
 (AMM 29-11-00/201).
 5) Depressurize auxiliary pitot systems No. 1 and 2.
 6) Move the captain's or first officer's control column from
 the center detent slowly to the 5/6 full aft position (approximately 10 degrees). 7) Make sure the force to move the control column is approximately 20 to 33 pounds.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 G. Put the Airplane to its Usual Condition
 S 415-084
 (1)  
Close the access doors (Ref 06-09-05/201).

 S 865-085

 (2)  
Do this task: "Remove Pressure in the Pitot-Static System" (Ref 34-11-00/201).

 S 865-086

 (3)
Do this task: "Remove Hydraulic Pressure" (Ref 29-11-00/201).

 S 865-087

 (4)
Do this task: "Remove Electrical Power" (Ref 24-22-00/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 INBOARD ELEVATOR - REMOVAL/INSTALLATION
_______________________________________
 1.  General_______
 A.  There are two inboard elevators, one on each side of the airplane. The inboard elevator is attached to the rear spar of the horizontal stabilizer by four hinge points. They are controlled by the control column, and moved by a power control package (PCP).
 B.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the inboard elevator. The procedure has these parts:
 (1)
The preparation for the removal of the inboard elevator

 (2)
The removal of the inboard elevator

 (3)
The installation of the replacement inboard elevator

 (4)
The adjustment of the inboard elevator

 (5)
The adjustment of the inboard elevator position transmitter

 (6)
The operational test of the inboard elevator

 (7)
The lubrication of the inboard elevator.

 C.  
The removal and installation procedure is the same for the left or the right inboard elevator.

 TASK 27-31-01-004-001
 2.  Inboard Elevator Removal________________________
 A.  Special Tools and Equipment
 (1)
14OHME65B00184 Inboard and Outboard Elevator Sling

 (2)
6MIT65B04002 Spanner Wrench Adapter Set

 (3)
ST2580-267 Spanner Wrench Adapter Set

 (4)
24MIT65B00002 Safety Device for Wing and Stabilizer

 B.  
References

 (1)
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels

 (2)
AMM 24-22-00/201, Manual Control

 (3)
AMM 27-41-00/201, Horizontal Stabilizer

 (4)
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)
AIPC 27-31-01, Fig. 2

 (6)
AIPC 27-31-07, Fig. 3

 (7)
AIPC 27-31-56, Fig. 1
　
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