(c)
Remove the third wire from the ground point.
1) Put a tag on the location of the ground to help you during the installation.
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A 737-300/400/500MAINTENANCE MANUAL
PRESSURE SEAL
SPLICE AREA
GROUND
STUD
CONDUIT
SENSOR SEE A
Nose Landing Gear Safety Sensor Installation
Figure 401 (Sheet 1)
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737-300/400/500MAINTENANCE MANUAL
S 494-020
(4) Attach a pull-line to the sensor wires.
NOTE: The pull-line will help you pull the wires for the new
____ sensor through the flexible conduit during installation. Make sure the line is longer than the length of the flexible conduit. You can attach something to the free end of the pull-line to stop the line at the end of the conduit.
CONDUIT
SHIM
TARGET
MOUNTING BOLTS
SENSOR
A
Nose Landing Gear Safety Sensor Installation
Figure 401 (Sheet 2)
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737-300/400/500MAINTENANCE MANUAL
S 024-008
(5)
Remove the sensor from the bracket on the shock strut steering collar.
S 034-010
(6)
Carefully pull the wires through the conduit and remove the pull-line from the wires.
TASK 32-09-02-404-011
3. Nose Landing Gear Safety Sensor Installation (Fig. 401)____________________________________________
A. Equipment
(1)
Ground Lock Assemblies - F72735, F27235-7 (Ref 32-00-01/201)
B.
References
(1)
AMM 32-00-01/201, Ground Locks
(2)
AMM 32-09-02/501, Nose Landing Gear Safety Sensor
(3)
SWPM 20-10-20, Bulkhead Pressure Sealing
C.
Access
(1)
Location Zone
204 Nose Landing Gear
D.
Procedure
(1) S 424-014Install the sensor on the bracket on the shock strut steering collar.
(2) S 494-012Twist the sensor wires together and attach the line (used during the removal procedure) to the wires.
(3) S 434-021Connect the sensor wires: (a) Carefully pull the wires through the conduit and remove the line from the wires. (b) Connect the sensor wires to the splices SP3168 and SP3166. (c) Connect the third wire (yellow) to the to ground location.
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737-300/400/500MAINTENANCE MANUAL
(d) Seal the pressure bulkhead (SWPM 20-10-20).
S 724-018
(4) Do the nose landing gear safety sensor adjustment/test procedure (Ref 32-09-02/501).
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A
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