D.  
Prepare for the Removal

 S 864-002
 (1)  
Put the rudder pedals and the rudder trim switch in the neutral position.

 S 864-003

 (2)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6 Circuit Breaker Panel
 1) TRIM CONT - RUD
 2) RUD TRIM IND

 S 864-004
 (3)  Remove hydraulic power from all three hydraulic systems (Ref 27-21-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE B
SEE  A  INDICATOR TRIM RUDDER 
RUDDER TRIM KNOB 

RUDDER TRIM INDICATOR
CONTROL STAND
AIRPLANES WITHOUT EFIS
RUDDER TRIM KNOB
A
CONTROL
STAND

AIRPLANES WITH EFIS A Rudder Trim Actuator Installation Figure 401 (Sheet 1)
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A

737-300/400/500
MAINTENANCE MANUAL

RUDDER TRIM ACTUATOR
SEE C
FIXED END CLEVIS
B 
OUTPUT 
CLEVIS 
RUDDER TRIM 
ACTUATOR 

A

A
FWD
RUDDER TRIM ACTUATOR C Rudder Trim Actuator Installation Figure 401 (Sheet 2)
CRANK FOR THE FEEL AND CENTERING UNIT
RIG PIN HOLE
FEEL AND CENTERING UNIT
B
B
ELECTRICAL
CONNECTOR

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A 737-300/400/500MAINTENANCE MANUAL

B-B
Rudder Trim Actuator Installation Figure 401 (Sheet 3)
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A 737-300/400/500MAINTENANCE MANUAL
 S 014-005
 (4)  
Remove access panel 9509 and open access door 9513.

 S 494-006

 (5)  
Put rig pin R-5 in the crank of the feel and centering unit (Fig. 401).

 E.
Remove the Rudder Trim Actuator (Fig. 401)

 S 034-007
 (1)  
Disconnect the electrical connector from the rudder trim actuator.

 S 024-008

 (2)  
Remove the bolt assembly that attaches the rudder trim actuator to the airplane.

 S 024-009

 (3)  
Remove the bolt assembly that attaches the rudder trim actuator to the feel and centering unit.

 S 024-010

 (4)  
Remove the rudder trim actuator.

 TASK 27-21-87-404-011
 3.  Rudder Trim Actuator Installation_________________________________
 A. Special Tools and Equipment
 (1)  F70207-93 Rig Pin Kit:
 --------------------------------------------------------------------| | | DIAMETER | LENGTH | | | REF NO. | F70207-( ) | (INCHES) | (INCHES) | FUNCTION | --------------------------------------------------------------------| R-5 | -11 | 0.309-0.311 | 6.7 -0.25 | RUDDER FEEL AND | | | | | | CENTERING UNIT | --------------------------------------------------------------------
B. References
 (1)  
27-21-00/201, Rudder and Rudder Trim Control Systems

 C.
Access

 (1)  
　
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