D.
Install the Truck Tilt Sensor Target Bracket (Fig. 201)

 S 112-100
 (1)  
Clean the mounting surfaces of the target bracket, shim, and landing gear with the solvent.

 (2)  
Apply sealant to the mounting surface of the sensor support bracket.

 S 422-091

 (3)  
Do these steps to install the sensor target bracket:

 (a)
Position the bracket and shim on the landing gear.

 S 392-101
 NOTE: Install the shim in the same location and orientation
____ that is was removed.
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747-400 MAINTENANCE MANUAL
 (b)  Secure the target support bracket with the bolts, washers, and nuts.
 S 142-102
 (4)  
Wipe away the excess sealant.

 S 822-103

 (5)  
Do the task to adjust the sensor clearance.

 S 722-094

 (6)
Do the task which does a test of the wing gear truck tilt sensor.

 TASK 32-61-22-822-077
 6.  Adjust the Truck Tilt Sensor for the Wing Gear (With the Sensor Adjustment__________________________________________________________________________ Tool)_____
 A.  General
 (1)  
This is an optional task to adjust the sensor. Use this task if you have the sensor adjustment tool and do not want to jack the airplane.

 B.  
Consumable Materials

 (1)  
C00259 Primer - BMS 10-11, TYPE I

 (2)  
A00247 Sealant - BMS 5-95

 C.  
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
AIPC 32-61-57

 D.  
Equipment

 (1)  
LJ015U1310-5, Sensor Adjustment Tool

 NOTE: You must lift the airplane with jacks if you do not have this
____ tool. Do the task to adjust the sensor without the sensor adjustment tool.
 E.  Access
 (1)  Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

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 F. Prepare for Adjustment
 S 492-067
 WARNING: YOU MUST CAREFULLY INSTALL GROUND LOCKS IN ALL LANDING GEAR.
_______ AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  Make sure you install the ground locks for the main landing gear (AMM 09-11-00/201).
 S 492-068
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)
Make sure you install the main gear door locks (AMM 32-00-30/201).

 S 862-069

 (3)  
Make sure the control handle for the landing gear is in the DN position.

 G.
Adjust the Truck Tilt Sensor

 NOTE:____Do not loosen the target bracket to adjust the sensor gap. If the target bracket fastenners are loosened, you must put sealant on the bracket fastenners.
 S 012-069
 (1)  Remove the retaining bolt and nut from the torsion link pin.
 S 942-070
 CAUTION: DO NOT INSERT THE DIGITAL GAGE INTO THE SENSOR GAP ADJUSTMENT
_______ TOOL UNLESS THE TOOL IS INSTALLED ON THE WING LANDING GEAR IN POSITION ONE OR TWO AND TIGHTENNED WITH THE STAR WHEEL. IF THE GAGE IS INSTALLED WHEN THE ADJUSTMENT TOOL IS NOT TIGHTENNED, THE GAGE MAY BE DAMAGED.
 (2)  Assemble the sensor gap measurement tool.
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