(4)
On the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is at NORM.
(5)
Make sure that the flaps are fully retracted (Ref. TASK 27-50-00-866-009).
(6)
On the FCU, set the CAPT (F/O) Baro-Correction to display STD below the altitude scale on the CAPT (F/O) PFD .
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B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 105VU ELEC/CSM/G /EV AUTO/SPLY 7XE C01 122VU ANTI ICE/PROBES/2/PITOT 3DA2 Y14 122VU ANTI ICE/PROBES/2/STATIC 5DA2 Y11 122VU ANTI ICE/PROBES/3/PITOT 3DA3 Z16 122VU ANTI ICE/PROBES/3/STATIC 5DA3 Z14 122VU ANTI ICE/PROBES/1/STATIC 5DA1 Z13
Subtask 34-13-00-480-050
C. Install the Ground Pressure Generator
(1) Remove the slip on covers from the static probes and the pitot probes.
R (2) Connect the GENERATOR - GROUND PRESSURE MINI. 100 MB (1.45 PSI) TO R 1400 MB (20.3 PSI) to the static and pitot probes of the aircraft:
For CAPT circuit (ADIRU 1) and F/O circuit (ADIRU 2), connect the ground pressure generator to the static probes with the ADAPTER COVER-STATIC PORT (98D34003500102):
-
L static probe 1 7DA1, zone 127, STA 8750, for the L static pressure ADM (19FP5)
-
L static probe 2 7DA2, zone 127, STA 8700, for the L static
pressure ADM (19FP7)
and
-
R static probe 1 8DA1, zone 128, STA 9300, for the R static pressure ADM (19FP4)
-
R static probe 2 8DA2, zone 128, STA 9350, for the R static
pressure ADM (19FP6) For the standby circuit (ADIRU 3), connect the ground pressure generator to the static probes with the ADAPTER COVER-STATIC PORT (98D34003500100):
-L static probe 3 7DA3, zone 121, STA 4250, for the static pressure ADM (19FP8) or
-R static probe 3 8DA3, zone 122, STA 4250, for the static pressure ADM (19FP8).
Connect the ground pressure generator to the pitot probes with the ADAPTOR-CHARGING,PITOT PROBE or equivalent:
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-
pitot probe 1 9DA1, zone 125, for the L total pressure ADM (19FP1).
For F/O circuit:
-
pitot probe 2 9DA2, zone 126, for the R total pressure ADM (19FP2).
For the standby circuit:
-
pitot probe 3 9DA3, zone 125, for the standby total pressure ADM (19FP3).
(3) Seal the drain holes of the pitot probes with colored adhesive tape.
CAUTION : WHEN YOU SEAL THE DRAIN HOLE IN THE PITOT PROBE, DO NOT
_______ SEAL THE HOLE DIRECTLY WITH THE COLORED ADHESIVE TAPE. ALWAYS PUT A PIECE OF PLASTIC ON THE HOLE AND USE THE TAPE TO ATTACH THE PLASTIC. IF YOU SEAL THE DRAIN HOLE DIRECTLY WITH THE ADHESIVE TAPE, THERE IS A RISK THAT SOME OF THE ADHESIVE WILL STAY ON THE HOLE AND COLLECT PARTICLES. THIS CAN SUBSEQUENTLY CAUSE BLOCKAGE OF THE HOLE AND THUS INCORRECT OPERATION OF THE PROBE.
(a) Seal the opposite static probe of the standby ADM with the ADAPTER COVER-STATIC PORT (98D34003500103).
(4)
Move the vane of the three AOA sensors to the upper position. Keep the AOA sensors in position with colored adhesive tape.
(5)
Start the ground pressure generator.
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4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105, 201-209,
Subtask 34-13-00-720-061-A
A. Functional Test of the Altitude and Airspeed Data
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
On the ground pressure generator, set a static pressure and a total pressure as given in the table below.
2.
On the SWITCHING panel 8VU:
-
set the AIR DATA selector to CAPT/3.
-
set the AIR DATA selector to F/O/3.
3.
At the end of the test, on the ground pressure generator:
-slowly balance the pressure in the static and total pressure lines.
- open the lines to get the
atmospheric pressure.
4. Stop the pressure generator.
On the CAPT and F/O PFDs, compare andwrite the altitude and airspeed valuesfor the ADIRU 1 and 2.
On the CAPT and F/O PFDs, compare andwrite the altitude and airspeed values for the ADIRU 3 and 2.
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