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22-11-30
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A
737-300/400/500MAINTENANCE MANUAL
S 034-006
(3)
Loosen the mounting bracket bolts and lock nuts to remove the mounting bracket attached to the airplane structure.
S 034-020
(4)
Remove the crank clamp bolt and lock nut to remove the crank clamp.
S 034-021
(5)
Remove the mounting bracket bolt and lock nut attached to the sensor.
S 024-015
(6)
Remove the sensor.
TASK 22-11-30-424-007
3. Elevator Position Sensor Installation
_____________________________________
A. References
(1)
12-31-01/201, General Zone Diagram
(2)
22-11-30/501, Elevator Position Sensor Adjustment/Test
(3)
27-31-00/201, Elevator and Tab Control System
(4)
27-41-00/501, Horizontal Stabilizer Trim Control System
B. Access
(1)
Location Zone
705 Tail Cone Access Door
(2)
Access Panel
3802 Tail Cone Access Door
C. Prepare for Installation
S 864-008
(1)
Set the horizontal stabilizer at 0 degrees (3 units of trim) equal to the "B" dimension of 41.57 |0.05 inches (Ref 27-41-00/501, Horizontal Stabilizer Trim Control System).
S 864-009
(2)
Make sure that the mach trim actuator is nulled.
NOTE: The actuator is nulled when the voltage measured between the
____ FCC front test connector J6-37 and J6-1 is below 50 mvdc.
S 824-010
(3)
Align the zero index mark on the sensor case with the zero index mark on the sensor shaft.
(4)
Install the sensor in the clamp and the sensor shaft in the crank.
S 824-017
(5)
Make sure the zero index mark on the sensor shaft stays aligned with the slot in the crank.
S 434-011
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737-300/400/500MAINTENANCE MANUAL
S 434-018
(6) Tighten the crank screw.
S 434-012
(7) Tighten the screw in the sensor clamp.
NOTE:____ Make sure that you put the microadjustment rod in the same
direction shown in Fig. 401.
S 434-016
(8)
Install the electrical connectors on the sensor.
S 824-013
(9)
Do this task: Elevator Position Sensor Adjustment/Test (Ref 22-11-30/501).
S 414-014
(10)
Install the access panel.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
22-11-30
ALL ú ú 02 Page 404 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
ELEVATOR POSITION SENSOR - ADJUSTMENT/TEST
__________________________________________
1. General_______
A. This procedure contains four tasks. The first two tasks do the elevator position sensor adjustment. Only one of the tasks is necessary. These tasks use:
(1)
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