(3) Stage 2:
(a)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(18) set the selector switch to U1.
(b)
Record the voltage (U1*).
(c)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(18) set the selector switch to U2.
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(d)
Record the voltage (U2*).
(e)
From the voltages U1* and U2*, calculate the voltage U*:
U* = U1* - U2*
(4)
Stage 3:
(a) Calculate the algebraic value T that has been introduced with the ADJUSTING TOOL - NWS GEARBOX (13) installed between the RVDT 3GC
(16) and the N/WS gearbox (10):
T = U - U*
(5)
Remove the RVDT 3GC (16) (Ref. TASK 32-51-19-000-001).
(6)
Carefully loosen the screws (11) through elongated holes of the ADJUSTING TOOL - NWS GEARBOX (13). Leave the ADJUSTING TOOL - NWS GEARBOX (13) installed.
(7)
Install the RVDT 3GC (16) (Ref. TASK 32-51-19-400-001).
(8)
Stage 4:
(a)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (18), set the selector switch to U1 and then U2.
(b)
On the ADJUSTING TOOL - NWS GEARBOX, adjust the two knurled adjusters (14). (this will move the drive plate (12) of the gearbox (10)) until you get:
U1 = U2 (plus or minus 10mV)
This figure is the value U (reference)
NOTE : When you turn the knurled adjusters, the gear box plate
____ (12) moves and changes the secondary voltages U1 and U2. When you turn the knurled adjuster:
-
in one direction, U1 increases and U2 decreases,
-
in the other direction, U2 increases and U1 dcreases.
(9) Stage 5:
(a)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (18), set the selector switch to U1.
(b)
Adjust the two knurled adjusters (14) again (this will compensate the value T put in with the installation of the ADJUSTING TOOL -NWS GEARBOX (13) until you get:
U1 = U (reference) minus (T/2) (plus or minus 10mV) This figure is the value U (final)
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(10)
Tighten the two knurled adjusters (14). Make sure that the position of the drive plate does not move.
(11)
Make sure that:
U1 = U(Final)(plus or minus 10mV) If the value is not in the limits, do the procedure from stage 4 again.
(12)
Remove the RVDT 3GC (16) (Ref. TASK 32-51-19-000-001).
(13)
Tighten the screws (11) through elongated holes of the ADJUSTING TOOL
-NWS GEARBOX (13).
(14)
TORQUE the screws (11)to between 0.1 and 0.15 m.daN (8.84 and 13.27 lbf.in)
(15)
Loosen the knurled adjusters (14).
(16)
Remove the ADJUSTING TOOL - NWS GEARBOX (13).
(17)
Install the RVDT 3GC (16) (Ref. TASK 32-51-19-400-001).
(18)
Do a check for the integrity of the adjustment:
(a)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(18) set the selector switch to U1.
(b)
Record the voltage.
(c)
On the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST
(18) set the selector switch to U2.
(d)
Record the voltage.
(e)
Make sure that:
U1 = U2 plus or minus 20mV. If the value is not in the limits, do the procedure from step (2) again.
(19)
On the panel 402VU, put the A/SKID & N/W STRG switch in OFF position.
(20)
Remove the SENSOR-VOLTAGE TEST (F26792000) or SENSOR - VOLTAGE TEST (18).
(21)
Connect the electrical connector (19) to the RVDT 3GC (16).
(22)
Do the procedure again for the RVDT 4GC (monitor channel).
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(23) On the panel 402VU, put the A/SKID & N/W STRG switch in ON position. Subtask 32-51-00-865-079
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3GG, 4GG
5. Close-up
________ Subtask 32-51-00-581-054
A. Lower the aircraft to the ground (Ref. TASK 07-11-00-586-001). Subtask 32-51-00-740-053
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