(e)  
Move the crank arm off the sensor shaft.

 (f)  
Remove the jamnut from the sensor bushing.

 (g)  
Remove the sensor from the mounting bracket.

 TASK 31-24-56-404-014
 3.  Speed Brake Handle Position Sensor Installation_______________________________________________
 A. References
 (1)  
24-22-00/201, Manual Control

 (2)  
31-24-56/501, Speed Brake Handle Position Sensor

 B. Access
 (1)  
Location Zones
 101 Control Cabin - Left
 102 Control Cabin - Right
 202 Lower Nose Compartment

 (2)  
Access Panel
 3101L Forward Nose Wheel Well Door
 3104L Forward Nose Wheel Well Panel

 C. Procedure
 S 864-015
 (1)
Make sure the speed brake handle is in the DOWN position.

 S 424-034

 (2)  
Install the sensor (Fig. 401):

 (a)  
Put the sensor shaft through the hole in the mounting bracket.

 (b)  
Put the jamnut on the sensor bushing.

 (c)  
Tighten the jamnut to hold the sensor in its position.

 (d)  
Make sure you can turn the sensor.

 S 434-035
 (3)  Attach the crank arm (Fig. 401):
 (a)  
Put the crank arm on the sensor shaft.

 (b)  
Align the set screw on the crank arm with the flat part of the sensor shaft.

 (c)  
Tighten the set screw to 1-3 pound-inches.

 S 434-023
 (4)  Use the screws and the color identification to install the wires on the sensor terminals.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
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 ú ú 09 Page 403 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (5)  S 864-024Supply electrical power (Ref 24-22-00/201).
 (6)  S 864-025Close these circuit breakers: (a) P18 Load Control Panel 1) FLIGHT RECORDER AC 2) FLIGHT RECORDER DC 3) FLIGHT RECORDER POSITION SENSORS
 (7)  S 724-030Do this task: "Speed Brake Handle Position Sensor Adjustment/Test" (Ref 31-24-56/501).
 (8)  S 414-031Close the access panel, 3104L, for the forward wheel well.
 (9)  S 034-037Remove the landing gear downlocks.
 S 414-032

 (10) Close the door, 3101L for the forward nose wheel well.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 BEJ 17 PQ361 THRU PQ399 ú 31-24-56
 ú ú 09 Page 404 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 SPEED BRAKE HANDLE POSITION SENSOR - ADJUSTMENT/TEST
____________________________________________________
 1.  General_______
 A.  This procedure has one task. This task is the test of the speed brake handle position sensor.
 TASK 31-24-56-705-001
 2.  Speed Brake Handle Position Sensor - Adjustment/Test____________________________________________________
 A.  Special Tools and Equipment
 (1)  
One of these portable testers which can select SUBFRAMES and WORDS to show the data for the flight data recorder. The Teledyne tester 2222786 or the Allied Signal 981-6301-002 can be used on airplanes installed with a flight data recorder (FDR) that records up to 64 wps. Use the Teledyne tester 2229738-1 on airplanes installed with FDR that records up to 128 wps. Use the Teledyne tester 2229738-1 Mod E on airplanes installed with FDR that records up to 256 wps.

 (a)  
Flight Line Tester, Teledyne P/N 2222786, 2229738-1, or 2229738-1 Mod E Teledyne Controls, 12333 W. Olympic Blvd., West Los Angeles, CA 90064

 (b)  
Digital Signal Display unit, Allied Signal P/N 981-6301-002 Allied Signal, PO Box 7002 4747 Harrison Ave. Rockford, IL 61101

 (2)
Adapter Cable - Tester, Flight Data Recorder System P/N A31007

 NOTE: The tester cable consists of a cable assembly that is
　
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