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 (6)  Adjust the tension of the EAL, EBL, EAR, and EBR control cables (Fig. 401): (a) Install the rig pins E-1, E-2, E-3 and E-5. (b) Use the aft turnbuckle to adjust the tension of the EAL, EBL, EAR, and EBR control cables. 1) Install the turnbuckle locking clips after the adjustment. (c) Remove the rig pins E-1, E-2, E-3, and E-5.
 S 714-024
 (7)  Turn the elevator slowly by hand through the full travel up and down.
 (a)  Make sure the elevator moves freely.
 S 864-025
 (8)  Do this task: "Put the Elevator Hydraulic Systems A and B Back to the Condition Before the Pressure Removal" (Ref 27-31-00/201).
 S 714-031
 (9)  Do this check of the synchronized operation of the power control units:
 (a)  Turn the FLT CONTROL A switch to OFF and the FLT CONTROL B switch to ON.
 1)  Make sure the elevator trailing edge do change more than 0.02 inch.
 (b)  2) If it is necessary, adjust the input rods (Ref 27-31-00/501).Turn the FLT CONTROL A switch to ON and the FLT CONTROL B switch to OFF.
 1)  Make sure the elevator trailing edge do change more than 0.02 inch.
 2)  If it is necessary, adjust the input rods (Ref 27-31-00/501).
 S 824-027

 (10)
 Align the elevator trailing edge with the index mark on the tail cone (Fig 402):

 (a)
Install the rig pin E-5.

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737-300/400/500MAINTENANCE MANUAL
 (b)  Adjust the elevator control pushrods in this task: "Adjustment
 -Elevator and Tab Control System" (Ref 27-31-00/501).
 S 714-013
 (11)
 Do a check for the output rod of the feel and centering unit (1):

 (a)  
Make sure the lower bolt hole of the output rod aligns with the bolt hole in the aft quadrant crank. 1) If it is necessary, adjust the output rod (1)

 (Ref 27-31-00/501).
 S 024-032
 (12)
 Remove the rig pin E-5.

 S 714-014

 (13)
 Make sure that rig pin E-4 is free to move through the rig pin holes.

 S 714-016

 (14)
 Do this task:  "System Test - Power Mode Operation" (Ref 27-31-00/501).

 S 714-017

 (15)
 Do this task:  "System Test - Feel Force System and Autopilot Authority" (Ref 27-31-00/501).

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737-300/400/500MAINTENANCE MANUAL
 ELEVATOR OUTPUT TORQUE TUBE - REMOVAL/INSTALLATION
__________________________________________________
 1.  General_______
 A.  This procedure has two tasks, one for the removal and one for the installation of the elevator output torque tube (which is referred to as the "torque tube"). The procedure has these parts:
 (1)  
The removal of the torque tube

 (2)  
The installation of the replacement torque tube

 (3)  
An adjustment of the elevator control pushrods.

 TASK 27-31-74-004-001
 2.  Elevator Output Torque Tube Removal (Fig. 401)___________________________________
 A.  Special Tools and Equipment
 (1)  
F70207-93 Rigging Pin Kit

 B.  
References

 (1)  
12-31-41/201, Body Section 48 Access Doors and Panels

 (2)  
22-11-26/401, Autopilot Elevator Actuator

 (3)  
27-31-00/201, Elevator and Tab Control System

 (4)  
53-53-00/401, Tail Cone

 C.  
Access

 (1)  
Location Zone
 701 Area 1 Tail Compartment

 (2)  
Access Panels
 3802 Tail Cone Access Door

 D.  
Prepare for Removal

 S 864-003
 (1)  
　
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