757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(70)

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 S 032-068
 (3) Disconnect the nose gear upper torsion link (AMM 32-21-09/401).
 NOTE: Do the steps in the removal task which removes the apex bolt
____ that connects the upper and lower torsion links.
 S 982-069
 (4)  Position the torsion link until the gap on the Not Compressed-Sensor known to be within tolerance is 0.09 +/- 0.01 inches.
 NOTE: Use the torsion link shim to hold the weight of the
____
 torsion link. (Fig. 202)

 S 222-070
 (5)  
Measure the sensor gap.

 S 822-071

 (6)  
If the sensor gap is not within tolerance (Fig. 201) do the task to adjust the sensor gap.

 S 932-072

 (7)  
Remove the tag attached to the sensor.

 S 492-073

 (8)  
Remove the torsion link shim.

 S 432-074

 (9)  
Connect the upper and lower torsion links (AMM 32-21-09/401).

 NOTE: Do the steps in the installation task which installs the apex
____ bolt to connect the upper and lower torsion links.
 I. Adjust the Sensor Gap
 S 032-075
 (1)  
Remove the screws (7 and 10) to remove the sensor (3) from the mounting plate.

 S 032-076

 (2)  
Remove the shim (6) from the mounting plate.

 NOTE:____The shim is bonded to the mounting plate. It can be hard to remove.
 S 112-077
 (3)  Clean the mounting plate where the shim (4) was attached with solvent (AMM 20-10-22/701).
 

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 S 432-078
 (4)  
Use the screws (7 and 10) and the nuts (8) to install the new shim (6) and the sensor (3) to the mounting plate.

 (a)  
Do not bond the shim at this time.

 S 822-079
 (5)  Remove layers of the lamination from the shim (6) to adjust the distance (Fig. 201).
 NOTE: Each layer of the lamination on the shim (6) is 0.003
____
 inches thick.

 S 432-080
 (6)  
When you get the correct distance, remove the sensor (3) and bond the shim (6) to the mounting plate with the adhesive.

 S 432-081

 (7)
Use the screws (7 and 10) and nuts (8) to install the sensor (3).

 S 722-082

 (8)  
Do the procedure to retest the sensor.

 J.
Retest the Sensor

 S 012-044
 (1)  
Open the access panel, 119BL, to get access to the PSEU
 (AMM 06-41-00/201).

 S 722-045

 (2)  
Do a target position test to make sure the sensor operates
 correctly.

 (a)  
Set the sensor channel with the PSEU's SENSOR CHANNEL SELECT switch.

 (b)  
Push the TARGET TEST switch and make sure the TARGET NEAR Light comes on.

 S 862-054
 (3)  Push the RESET switch on the front panel of the PSEU to erase the PSEU memory.
 NOTE: The display will flash the code EEE while it erases the
____
 memory.

 K. Put the Airplane Back to Its Usual Condition
 S 412-046
 (1)  Close the access panel, 119BL.
 

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 (2)  S 862-047Lower the nose of the airplane and remove the jacks (AMM 07-11-02/201).
 (3)  S 862-048Remove the electrical power if it is not necessary (AMM 24-22-00/201).

 

　
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