R No specific 1 GENERATOR - GROUND PRESSURE MINI. 100 MB (1.45 PSI) R TO 1400 MB (20.3 PSI) 36122 1 ADAPTOR-CHARGING,PITOT PROBE R 98D34003500000 1 ADAPTER COVER-STATIC PORT
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B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
34-10-00-860-002 ADIRS Start Procedure
34-10-00-860-005 ADIRS Stop Procedure
R 52-41-00-410-002 Close the Avionics Compartment Doors after Access
3. Job Set-up
__________
Subtask 34-11-00-010-050
A. Get Access to the Avionics Compartment
(1) Put the access platform in position and open the access door 824. Subtask 34-11-00-860-056
B. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (PFDs only) (Ref. TASK 31-60-00-860-001).
(3)
Do the ADIRS start procedure (Ref. TASK 34-10-00-860-002).
(4)
On the center pedestral, on the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is at NORM.
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C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 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 34-11-00-480-050
D. Install the Ground Pressure Generator and the ARINC Reader.
(1) Remove the slip on covers from the static probes and the pitot probes.
R (2) Connect the static port of the GENERATOR - GROUND PRESSURE MINI. 100 R MB (1.45 PSI) TO 1400 MB (20.3 PSI) to the static and/or total probes on which you do the test :
(a)
the static probes with the ADAPTER COVER-STATIC PORT (98D34003500102) For CAPT circuit (ADIRU 1) and F/O circuit (ADIRU 2):
-7DA1 ZONE 127 STA 8750 for the LH static pressure ADM (19FP5)
-7DA2 ZONE 127 STA 8700 for the LH static pressure ADM (19FP7) and
-8DA1 ZONE 128 STA 9300 for the RH static pressure ADM (19FP4)
-8DA2 ZONE 128 STA 9350 for the RH static pressure ADM (19FP6)
(b)
the static probes with the ADAPTER COVER-STATIC PORT (98D34003500100) For the standby circuit (ADIRU 3) :
-7DA3 ZONE 121 STA 4250 for the static pressure ADM (19FP8) or
-8DA3 ZONE 122 STA 4250 for the static pressure ADM (19FP8)
(c)
the pitot probes with the ADAPTOR-CHARGING,PITOT PROBE or equivalent For CAPT circuit (ADIRU 1) :
-9DA1 ZONE 125 STA 5500 for the total pressure ADM (19FP1) For F/O circuit (ADIRU 2) :
-9DA2 ZONE 126 STA 5500 for the total pressure ADM (19FP2) For the standby circuit (ADIRU 3) :
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-9DA3 ZONE 125 STA 5500 for the total pressure ADM (19FP3)
(3) seal the Stby probes:
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 drain holes of the pitot probes with a piece of plastic and colored adhesive tape of very bright color.
(b)
Seal the opposite static probe of the standby ADM with the ADAPTER COVER-STATIC PORT (98D34003500103).
(4)
Start the ground pressure generator.
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