(a)  
Install the caps and the plugs in the open ports and the hydraulic lines.

 S 024-007
 (5)  
Remove the feel actuator:

 (a)  
Remove the mounting bolts.

 (b)  
Remove the feel actuator from the airplane.

 TASK 27-31-67-404-002
 3. Feel Actuator Installation
__________________________
 A. Special Tools and Equipment
 (1) Rig Pin (E-5) - 0.309/0.311 inch diameter, 6.7 |0.25 inches long
 NOTE: The rig pin is part of the rig pin kit F70207-69, -78 or -83.
____
 B. References
 (1)  
27-31-00/201, Elevator and Tab Control System

 (2)  
27-31-00/501, Elevator and Tab Control System

 C.
Access

 (1)  
Location Zone
 704 Tail Cone
 711 Elevator and Tab, LH
 712 Elevator and Tab, RH

 (2)  
Access Panels
 3801 Tail Cone Access Door, LH
 3802 Tail Cone Access Door, RH

 D.
Procedure

 S 414-008
 (1)  
Install the mounting bolts (Fig. 401):

 (a)  
Set the feel actuator below the feel and centering unit.

 (b)  
First install the left mounting bolt and then the right mounting bolt.

 (c)  
Install the first locknut on the forward bolt. 1) Tighten the first locknut to 120-140 pound-inches.

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 27-31-67
 ALL  ú ú 01 Page 404 ú Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (d) (e)  Install the second locknut on the forward bolt. 1) Tighten the second locknut to 60-85 pound-inches.Install the first locknut on the aft bolt. 1) Tighten the first locknut to 85-100 pound-inches.
 CAUTION:_______ DO NOT TRY TO TIGHTEN THE FIRST LOCKNUT AGAIN AFTER TIGHTENING THE SECOND LOCKNUT. IF THIS IS DONE, DAMAGE TO EQUIPMENT MAY OCCUR.
 (f)  Install the second locknut on the aft bolt. 1) Tighten the second locknut to 30-35 pound-inches.
 (2)  S 414-009Connect the four flexible hydraulic lines to the feel actuator: (a) Remove the plugs and the caps. (b) Connect the four flexible hydraulic lines to the feel actuator.
 (3)  S 094-010Remove the rig pin E-5 from the aft control quadrant.
 (4)  S 864-011Do this task: "Put the Elevator Systems A and B Back to the Condition Before the Pressure Removal" (Ref 27-31-00/201).
 (5)  S 874-013Bleed the elevator control system: (a) Move the control column in a longitudinal direction until the movement is smooth and the artificial feel is normal. (b) Make sure the artificial feel forces increase when the air is bled out.
 (6)  S 794-012Examine the hydraulic connections at the feel actuator for leaks.
 (7)  S 724-017Do the test of the feel force system in this task: "System Test -Feel Force System and Autopilot Authority" (Ref 27-31-00/501).
 (8)  S 414-018Install the access door 3802.

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 27-31-67
 ALL  ú ú 01 Page 405 ú Mar 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 ELEVATOR INPUT TORQUE TUBE - REMOVAL/INSTALLATION
_________________________________________________
 1.  General_______
 A.  This procedure has two tasks, one for the removal and one for the installation of the elevator input 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 torque tube.

 B.  
The torque tube is a part of the elevator aft control quadrant assembly (which is referred to as the "quadrant assembly"). The quadrant assembly has a torque tube, four quadrants, four input cranks, bearings, and supporting hardware. The quadrant assembly is removed from the airplane as a unit.
　
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