(2)
C27007-21, -26, or -31 Actuator switch test module.

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A
737-300/400/500MAINTENANCE MANUAL
 B. Procedure
 S 485-054
 (1)  
Install the protractor on the captain's control column.

 S 865-055

 (2)  
Move the control column to the neutral position, which is 6.9 +/-0.8 degrees forward of the vertical position.

 S 865-056

 (3)
Disconnect the electrical connectors from the column cutout switch.

 S 485-057

 (4)  
Install the test box C27007-21, -26, or -31.

 (a)  
Connect the test box to the switch assembly.

 (b)  
Connect the 28V DC power to 28V DC input jacks on the test box.

 NOTE: If you use the airplane power, connect the test box
____ to the accessory outlet receptacle D154 on the P6 panel. If the airplane power is not available, connect the test box to an external power supply.
 S 735-058
 (5)  
Do the test of the column cutout switch:

 (a)  
Set the cutout switches on the test box to the positions shown as configuration A (Fig. 503)

 NOTE: The lights will come on when the switches are ON and
____ they will go off when the switches are OFF.
 (b)  
Make sure the lights on the test box agree with Fig. 503.

 (c)  
Move the control column more than 6 degrees aft of the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.

 (d)  
Move the control column to the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.

 (e)  
Move the control column more than 4 degrees forward of the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.

 (f)  
Move the control column to the neutral position.

 (g)  
Set the cutout switches on the test box to positions shown as configuration B (Fig. 503). 1) Make sure the lights on the test box agree with Fig. 503.

 (h)  
Move the control column more than 6 degrees aft of the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.

 (i)  
Move the control column to the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.

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A 737-300/400/500MAINTENANCE MANUAL
 (j) (k) (l)  Move the control column more than 4 degrees forward of the neutral position. 1) Make sure the lights on the test box agree with Fig. 503.Move the control column to the neutral position.Set all the switches on the test box to OFF.
 (6)  S 085-059Disconnect the test box and connect the electrical connectors.
 (7)  S 085-060Remove the protractor.

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

 (2)  
The installation of the replacement horizontal stabilizer.

 B.  
The removal and installation is the same for the left and right
 horizontal stabilizers.
　
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