(3) set the selector switch to U2.
(d)
Record the voltage (U2)(in AC voltage).
(e)
Check that the algebraic value D:
(U1 - U2) = D = C +/- 20mV
(f)
If the value D is not in the limits, do the procedure from stage 7 again.
(12)
If the value is correct, on panel 402VU, put the A/SKID & N/W STRG switch in OFF position.
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(13)
Remove the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (3).
(14)
Connect the electrical connector (4) to the RVDT 3GC (1).
(15)
Fill the housing of the worm screw (5) with SEALANTS (Material No. 09-008E).
(16)
Apply a layer of SEALANTS (Material No. 09-008E) at the areas identified S.
Subtask 32-51-00-820-061
E. Set the NWS Zero Position for the sensor 4GC NOTE : It is necessary to adjust the gear box/sensor 4GC at the same
____
value as the gear box/sensor 3GC to prevent:
-differences between the command and monitoring acquisition thresholds,
-unwanted fault messages.
(1)
On panel 402VU, make sure that the A/SKID & N/W STRG switch in OFF position.
(2)
Connect the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (F26792000-1) (3) between the connector (4) and the RVDT 4GC (1).
(3)
Connect an AC voltmeter (minimum range: 0-20V, accuracy: 1 mV, frequency: 50-2000 Hz) to the SECONDARY VOLTAGE connections on the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (3).
(4)
On panel 402VU, put the A/SKID & N/W STRG switch in ON position.
(5)
Stage 9:
(a) Use a spatula to remove the sealant:
-
from the areas identified S
-
from the housing of the worm screw (5)
NOTE : Do not cause damage to the surface protections on these
____
parts.
(b)
On the sensor box, loosen the screws (2) to release the sensor (1).
(c)
On the sensor box, turn the worm screw (5) to get the algebraic difference between U1 and U2 secondary voltage: C
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(U1 - U2) = C NOTE : When you turn the worm screw (5), the sensor moves and
____ changes the secondary voltages U1 and U2. When you turn the worm screw (5):
-
in one direction, U1 increases and U2 decreases,
-
in the other direction, U2 increases and U1 decreases.
(d) Record the voltages U1 and U2 (in AC voltage).
(6)
TORQUE the screws (2) to between 0.29 and 0.35 m.daN (25.66 and 30.97 lbf.in).
(7)
Stage 10:
(a)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(18) set the selector switch to U1.
(b)
Record the voltage (U1)(in AC voltage).
(c)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(3) set the selector switch to U2.
(d)
Record the voltage (U2)(in AC voltage).
(e)
Check that the algebraic value E:
(U1 - U2) = E = C +/- 20mV
(f)
If the value E is not in the limits, do the procedure from stage
(9) again.
(8)
If the value is correct, on panel 402VU, put the A/SKID & N/W STRG
switch in OFF position.
(9)
Remove the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (3).
(10)
Connect the electrical connector (4) to the RVDT 4GC (1).
(11)
Fill the housing of the worm screw (5) with SEALANTS (Material No. 09-008E).
(12)
Apply a layer of SEALANTS (Material No. 09-008E) at the areas identified S.
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F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3GG, 4GG, 2EN1, 2EN2
5. Close-up
________ Subtask 32-51-00-860-071
A. Aircraft Maintenance Configuration
(1)
If the front of the aircraft is lifted off the ground, lower the aircraft to the ground (Ref. TASK 07-11-00-586-001).
(2)
If the nosewheels are on grease plates, move the aircraft to remove the grease plates (Ref. TASK 09-10-00-584-002).
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本文鏈接地址：A320飛機維護手冊 AMM LANDING GEAR 起落架9(10)
