S 216-004

 (2)  
Examine the parts for worn areas:

 (a)  
Use a micrometer or a vernier caliper to measure the parts for the worn areas.

 (b)  
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601.

 (c)  
Replace the parts that are not in the tolerance.

 (d)  
Install the parts.

 S 426-003
 (3)  Do this task: "Feel and Centering Unit Installation"
 (Ref 27-31-64/401).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FEEL ACTUATOR - REMOVAL/INSTALLATION
____________________________________
 1.  General_______
 A.  This procedure has two tasks, one for the removal and one for the installation of the feel actuator. The procedure has these parts:
 (1)  
The removal of the feel actuator

 (2)  
The installation of the feel actuator.

 TASK 27-31-67-004-001
 2.  Feel Actuator Removal_____________________
 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

 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 864-003
 (1)  
Do this task: "Remove Elevator Hydraulic Systems A and B" (Ref 27-31-00/201).

 (2)  
Remove the access door 3802.

 (3)
Install the rig pin E-5 in the aft control quadrant, (Fig. 402).

 S 014-004
 S 494-005
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A 737-300/400/500MAINTENANCE MANUAL
FWD  FORWARD 
SEE  A  FEEL AND  MOUNTING BOLT 
CENTERING 
UNIT 

WASHERS 
FEEL ACTUATOR  NUT 
NUT 
AFT MOUNTING BOLT  WASHER  NUTS  WASHER  HYDRAULIC LINES  HYDRAULIC LINES 
A 
Figure 401 Feel Actuator Installation 

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A 737-300/400/500MAINTENANCE MANUAL
FWD
SEE A
FEEL AND
CENTERING UNIT

INPUT TORQUE TUBE
AFT CONTROL QUADRANTS
RIG PIN E-5
FWD
A
Aft Control Quadrant Rigging Pin Location Figure 402
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A 737-300/400/500MAINTENANCE MANUAL
 S 034-006
 WARNING: RELEASE THE CONNECTION SLOWLY AND LET THE PRESSURE DECREASE
_______ BEFORE COMPLETELY REMOVING THE HYDRAULIC LINE. IF THE HYDRAULIC LINE IS DISCONNECTED WHEN IT HAS PRESSURE, A SPRAY OF HYDRAULIC FLUID CAN CAUSE INJURY TO PERSONNEL.
　
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