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737-300/400/500MAINTENANCE MANUAL
 (b)  Remove the cable clamps.
 S 094-030
 (11)
 Remove the rig pin E-5.

 S 434-031

 (12)
 Connect the electrical connectors at the pitch transducer (5).

 S 864-022

 (13)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Circuit Breaker Panel
 1) AUTO FLT CONT SYS B MACH TRIM AC
 2) AUTO FLT CONT SYS B MACH TRIM DC
 3) AFDS MCP CRS-2
 4) AUTO FLT CONT SYS B SNSR EXC AC
 5) AUTO FLT CONT SYS B FCC DC
 6) AUTO FLT CONT SYS B ENGAGE INTLK B
 7) AUTO FLT CONT SYS B WARN LIGHT BAT
 8) SHUTOFF VALVES - FLT CONT (2 LOCATIONS)
 9) SHUTOFF VALVES SPOILER

 (b)  
P18 Circuit Breaker Panel
 1) AUTO FLT CONT SYS A MACH TRIM AC
 2) AUTO FLT CONT SYS A MACH TRIM DC
 3) AFDS MCP DC
 4) AFDS AIL FORCE LIM
 5) AUTO FLT CONT SYS A SNSR EXC AC
 6) AUTO FLT CONT SYS A FCC DC
 7) AUTO FLT CONT SYS A ENGAGE INTLK A
 8) AUTO FLT CONT SYS A WARN LIGHT BAT

 S 864-023
 (14)
 Do this task:  "Put the Elevator Hydraulic Systems A and B Back to the Condition Before the Pressure Removal" (Ref 27-31-00/201).

 (15)
 Remove the markers from the forward quadrants.

 (16)
 Adjust the control cables (Ref 27-31-00/501).

 S 084-032
 S 824-020
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 714-019
 (17)
 Do the test of the manual mode operation (Ref 27-31-00/501).

 S 414-021

 (18)
 Close the access doors and replace the access panels.

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737-300/400/500MAINTENANCE MANUAL
 FEEL AND CENTERING UNIT - REMOVAL/INSTALLATION
______________________________________________
 1.  General_______
 A.  This procedure has two tasks, one for the removal and one for the installation of the feel and centering unit (which is referred to as the "centering unit"). The procedure has these parts:
 (1)  
The removal of the centering unit

 (2)  
The installation of the centering unit

 (3)  
An adjustment of the centering unit.

 TASK 27-31-64-004-001
 2.  Feel and Centering Unit Removal_______________________________
 A.  Special Tools and Equipment
 (1)  Rig Pin (E-5) - 0.309/0.311 inch diameter, 6.7 |0.25 inches long (MS20392-4)
 NOTE: The rig pin is part of the rig pin kit F70207-69, -78 or -83.
____
 (2)  
F80055-1 - Trammel Bar

 B.  
References

 (1)  
22-21-11/401, Mach trim Actuator

 (2)  
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
 3701 Stabilizer Trim Access Door
 3801 Tail Cone Access Door, LH
 3802 Tail Cone Access Door, RH

 D.  
Procedure

 (1)  
Open the access door 3701.

 (2)  
Remove the access panel 3802.

 S 864-005

 (3)  
Do this task: "Remove Elevator Hydraulic Systems A and B" (Ref 27-31-00/201).

 (4)  
Install the rig pin E-5 in the aft control quadrant.
　
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