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EFFECTIVITY
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TASK 27-62-37-400-802
4. Speed Brake Lever Position Sensor Adjustment
(Figure 401)
A. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
COM-1688 Indicator - Angle Position
(Part #: 8810-S3204, Supplier: 0VGU1, A/P Effectivity: 737-300, -400,
-500, -600, -700, -700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
(Part #: 8810A, Supplier: 0VGU1, A/P Effectivity: 737-ALL)
SPL-1585 Kit - Rigging Pins, All Systems
(Part #: F70207-109, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
B. Location Zones
Zone Area
112 Area Forward of Nose Landing Gear Wheel Well
210 Subzone - Control Compartment - Body Station 178.00 to Body
Station 259.50
C. Access Panels
Number Name/Location
112A Forward Access Door
D. Sensor Adjustment
SUBTASK 27-62-37-010-002
(1) To get access to the sensor [1].
If necessary, open this access panel:
Number Name/Location
112A Forward Access Door
SUBTASK 27-62-37-420-003
(2) Install the box, angle position indicator, COM-1688:
(a) Connect the box, angle position indicator, COM-1688 connector to the sensor [1].
(b) Connect the input jack on the box, angle position indicator, COM-1688 to 26v dc power.
SUBTASK 27-62-37-480-002
(3) Install the rig pin S/B-1 from the test set rig pin kit, SPL-1585 in the forward drum of the speed
brake mechanism.
SUBTASK 27-62-37-820-002
(4) Adjust the sensor [1]:
(a) Loosen the clamping bolts [5].
(b) Turn the sensor until the indication on the angle position indicator, COM-1688 is 0.00 +/-
0.25 degrees.
(c) Tighten the clamping bolts [5].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-62-37
Page 406
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(d) Make sure the indication on the angle position indicator, COM-1688 is 0.00 +/-0.25
degrees.
SUBTASK 27-62-37-080-002
(5) Remove the rig pin S/B-1 from the forward drum of the speed brake mechanism.
SUBTASK 27-62-37-410-001
(6) Close this access panel:
Number Name/Location
112A Forward Access Door
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TASK 27-62-37-400-803
5. Speed Brake Lever Position Sensor Adjustment (Alternate Method)
Figure 401
A. References
Reference Title
31-31-00-730-801 Flight Data Recorder System - System Test (P/B 501)
B. Location Zones
Zone Area
112 Area Forward of Nose Landing Gear Wheel Well
210 Subzone - Control Compartment - Body Station 178.00 to Body
Station 259.50
C. Access Panels
Number Name/Location
112A Forward Access Door
D. Sensor Adjustment
SUBTASK 27-62-37-010-003
(1) To get access to the sensor [1]:
If necessary, open this access panel:
Number Name/Location
112A Forward Access Door
SUBTASK 27-62-37-840-001
(2) Do the ‘‘Prepare the Portable Tester for the System Test’’ part of this task: Flight Data Recorder
System - System Test, TASK 31-31-00-730-801.
SUBTASK 27-62-37-280-001
(3) Do the ‘‘Speedbrake Handle Position Analog Signal Test’’ part of this task: Flight Data Recorder
System - System Test, TASK 31-31-00-730-801.
SUBTASK 27-62-37-820-003
(4) If necessary, adjust the sensor [1].
(a) Loosen the clamping bolts [5].
(b) Turn the sensor until the tester shows the correct values at each speedbrake handle
position.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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(c) Tighten the clamping bolts [5].
(d) Make sure the tester shows the correct values at each speedbrake handle position.
SUBTASK 27-62-37-840-002
(5) Do the ‘‘Put the Airplane Back to Its Initial Condition’’ part of this task: Flight Data Recorder
System - System Test, TASK 31-31-00-730-801.
SUBTASK 27-62-37-410-002
　
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