S 865-068
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 31-24-51
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 CONTROL COLUMN POSITION SENSOR - REMOVAL/INSTALLATION
_____________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the position sensor for the control column.
 B.  For these tasks it is necessary to open the Forward Access Door, 1103.
 TASK 31-24-52-004-001
 2.  Control Column Position Sensor - Removal________________________________________
 A.  Standard Tools and Equipment
 (1)  Rigging Pin E-1 - 0.311 +0.000/-0.002-inch diameter, 6 inches long (MS20392-4)
 B.  References
 (1)  29-15-00/201, Hydraulic Systems A, B, and STANDBY
 C.  Access
 (1)  
Location Zone
 202 Lower Nose Compartment

 (2)  
Access Panel
 1103 Forward Access Door

 D.  Prepare for Removal
 S 864-002
 (1)  
Remove the pressure from the hydraulic systems A and B and STANDBY (Ref 29-15-00/201).

 S 864-003

 (2)  
Open these circuit breakers:

 (a)  P18 Load Control Panel
 1) FLIGHT RECORDER AC
 2) FLIGHT RECORDER DC
 3) FLIGHT RECORDER POSITION SENSORS

 S 014-004
 (3)  Open the forward access door, 1103.
 E.  Position Sensor Removal (Fig. 401)
 S 434-005
 (1)  
Install the rigging pin E-1 in the control quadrant of the left forward elevator.

 (2)  
Disconnect the electrical connector from the sensor.

 S 034-007

 (3)  
Disconnect the sensor control cables from the sensor pulley, spring, and quadrants on the elevator forward quadrants cross-shaft.

 S 034-006
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. B-2535 AND ON ú

 31-24-52
 ú ú 03 Page 401 ú Nov 15/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 034-008
 (4)  
Remove the bolt, nut, and washer to remove the pulley from the sensor shaft.

 S 034-009

 (5)  
Remove the two clamp screws that hold the sensor to the bracket.

 S 024-010

 (6)  
Remove the sensor.

 TASK 31-24-52-404-011
 3. Control Column Position Sensor - Installation
_____________________________________________
 A. Consumable Materials
 (1)  
D00016 Grease - Aircraft, General Purpose, wide temperature range MIL-C-81322

 (2)  
C00528 Compound - Corrosion Preventive MIL-C-16173, Grade 2

 B. References
 (1)  
29-15-00/201, Hydraulic Systems A, B, and STANDBY.

 (2)  
31-24-52/501, Control Column Position Sensor

 C. Access
 (1)  
Location Zone
 202 Lower Nose Compartment

 (2)  
Access Panel
 1103 Forward Access Door

 D. Procedure
 S 424-012
 (1)  
Put the sensor in the support bracket.

 S 624-013

 (2)  
Apply a thin layer of the corrosion preventive compound on the internal and external surfaces of the mating threads.

 S 434-014

 (3)  
Install the sensor clamp screws.

 (4)  
Tighten the screws to 30-35 lb-in.

 (5)  
Install the pulley drum on the end of the shaft.

 (6)  
Attach the pully drum with the bolt, nut, and washer.

 S 434-015
 S 434-016
 S 434-017
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. B-2535 AND ON ú
　
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