F. Do the Test for the Nose Landing Gear Not Compressed Sensor
NOTE:____This test will make sure the sensor operates correctly. It will not find an incorrect distance between the sensor and the sensor target.
S 222-031
(1)
If the mounting support or target for the sensor has been moved, make sure the sensor-to-target clearance is correct. Use the steps for the clearance adjustment.
S 012-032
(2)
Open the access panel, 119BL, to get access to the PSEU
(AMM 06-41-00/201).
S 722-033
(3)
Do a target position test to make sure the sensor operates
correctly.
(a)
Set the sensor channel with the PSEU SENSOR CHANNEL SELECT dials.
NOTE: Set the dials to the sensor number that you want to
____
test.
Sensor No. Sensor Description 067 Left side 068 Right side
(b)
Push the TARGET TEST switch on the PSEU.
1) Make sure the correct sensor number is shown on the display, and after four seconds that the TARGET FAR light comes on.
(c)
Hold or install the actuator test tool on the face of the sensor.
NOTE: You can use tape to attach the actuator to the sensor.
____
(d)
Push the TARGET TEST switch on the PSEU.
1) Make sure the correct sensor number is shown on the display, and after four seconds that the TARGET NEAR light comes on.
(e)
Remove the actuator from the sensor.
S 862-034
(4) 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.
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MAINTENANCE MANUAL
S 412-035
(5)
Close the access panel, 119BL (AMM 06-41-00/201).
S 862-036
(6)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 32-09-08-202-037
5. Measure / Adjust the Clearance for the Nose Landing Gear Not Compressed
_______________________________________________________________________ Sensor
______
NOTE: This task is not required if there is no evidence of damage and the
____
original shim is being reused.
A. General
(1)
If the sensor is installed correctly, the clearance between the sensor and the target will be as shown in Figure 201. You must measure the sensor gap if there is any evidence of damage or if the original shim is not used.. If an adjustment is necessary, you can remove layers of the lamination from the shim.
B.
Consumable Materials
(1)
A00273 Adhesive - BMS 5-126, Type III, Class 1
C.
References
(1)
06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels
(2)
07-11-02/201, Jacking Airplane Nose
(3)
AMM 20-10-22/701, Metal Surfaces
(4)
AMM 24-22-00/201, Electrical Power - Control
(5)
AMM 32-00-20/201, Landing Gear Downlocks
(6)
AMM 32-21-09/401, Nose Gear Torsion Links
D.
Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Control Cabin
711 Nose Landing Gear
(2)
Access Panels
119BL Main Equipment Center
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 1(68)
