(c)  
Make sure that there is no movement of the elevators surface positions on the EICAS flight controls maintenance page.

 (d)  
Release the control column and let it move to the neutral position.

 S 715-008
 (5)  
Do a test of the control column movement:

 (a)  
Move the control column full forward and aft.

 (b)  
Make sure the control column moves freely in its range.

 S 715-009
 (6)  
Do a test of the inboard elevator movement:

 (a)  
Set the FLT CONTROL HYD POWER TAIL switches No. 2 and 3 on the P461 Pilots' Overhead Maintenance Panel to NORM. 1) Make sure that these conditions occur:

 a)  The valve indicator lights for systems No. 2 and 3 are off. b) The valve indicator lights for systems No. 1 and 4 are on.

 (b)  
Move the control column full forward.

 1)  Make sure the ELEVATORS positions on the EICAS flight controls maintenance page show movement of the inboard elevators.
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747-400 MAINTENANCE MANUAL
 (c)  Move the control column full aft.
 1)  Make sure the ELEVATORS positions on the EICAS flight controls maintenance page show movement of the inboard elevators.
 S 715-010
 (7)  
Do a test of the outboard elevator movement:

 (a)  
Set the FLT CONTROL HYD POWER TAIL switches No. 2 and 3 on the P461 Pilots' Overhead Maintenance Panel to SHUTOFF. 1) Make sure the valve indicator lights for systems No. 2 and

 3 are on.

 (b)  
Set the FLT CONTROL HYD POWER TAIL switches No. 1 and 4 on the P461 Pilots' Overhead Maintenance Panel to NORM. 1) Make sure the valve indicator lights for systems No. 1 and

 4 are off.

 (c)  
Move the control column full forward.

 1)  Make sure the ELEVATORS positions on the EICAS flight controls maintenance page show movement of the outboard elevators.

 (d)  
Move the control column full aft.

 1)  Make sure the ELEVATORS positions on the EICAS flight controls maintenance page show movement of the outboard elevators.

 (e)  
Set the FLT CONTROL HYD POWER TAIL switches No. 2 and 3 on the P461 Pilots' Overhead Maintenance Panel to NORM.

 S 865-011
 (8)  
If the hydraulic power is not necessary, do this task: "Remove Hydraulic Power" (Ref 29-11-00/201).

 S 865-012

 (9)  
If the electrical power is not necessary, do this task: "Remove Electrical Power" (Ref 24-22-00/201).

 TASK 27-31-00-835-013
 3.  Elevator Control System Adjustment (Fig. 501)__________________________________
 A.  Special Tools and Equipment
 (1)  G12001-50 Rig Pin Kit
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MAINTENANCE MANUAL

 B. Standard Tools and Equipment
 (1)  
Pitot-Static Test Equipment

 (2)  
Cable Tensiometer, 0-300 pound capacity, with 1/8 inch diameter cables

 C.
Consumable Materials

 (1)  
C00308 Compound, Corrosion Preventive - MIL-C-11796, Class 3

 (2)  
C00174 Compound, Corrosion Preventive - MIL-C-16173, Grade 2

 (3)  
D00013 Grease - MIL-G-23827

 D.
References

 (1)  
06-09-05/201, Body Section 48 Access Doors and Panels

 (2)  
24-22-00/201, Manual Control

 (3)  
27-41-00/201, Horizontal Stabilizer Trim Control System

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

 (5)  
34-11-00/201, Pitot-Static System

 E.
　
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