-PRESSURE SET MUST NOT BE MORE THAN 1050 hPa (31 in Hg) OR LESS THAN 115 hPa (3.39 in Hg)
-CHANGES IN PRESSURE MUST NOT BE MORE THAN 6000 FEET/MINUTE
-DO NOT SUDDENLY OPEN LINES TO AMBIENT AIR WHILE THE PRESSURE GENERATOR IS CONNECTED.
CAUTION : THE TOTAL PRESSURE IN THE PITOT SYSTEM MUST NEVER BE LESS THAN THE
_______ STATIC PRESSURE. THE DIFFERENCE BETWEEN THE PITOT AND THE STATIC PRESSURE CIRCUITS MUST NEVER BE MORE THAN 368 hPa (10.86 in Hg).
1. Reason for the Job
__________________
Make sure that there are no leaks in the Captain and First Officer pitot and static circuits.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific colored adhesive tape 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
1EFF : ALL 1 34-13-00Page 581 1 1 Aug 01/05 1 1 1CES 1
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 34-10-00-860-005 ADIRS Stop Procedure 34-11-15-200-001 Inspection/Check of the Pitot Probe (9DA1,9DA2,9DA3)
3. Job Set-up
__________
Subtask 34-13-00-860-074
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 34-13-00-865-061
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/1/STATIC 5DA1 Z13
1EFF : ALL 1 34-13-00Page 582 1 1 May 01/05R 1 1 1CES 1
**ON A/C 001-049, 051-099, 101-105, 151-199,
Subtask 34-13-00-480-051
C. Installation of the Main Air Data System
(1) Remove the slip on covers from the static probes and the pitot probes of the main system.
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 probes with the ADAPTER COVER-STATIC PORT (98D34003500102). For CAPT circuit (ADIRU 1) and F/O circuit (ADIRU 2):
-
L static probe 1 7DA1, zone 127, STA 8750, for the LH static pressure ADM (19FP5)
-
L static probe 2 7DA2, zone 127, STA 8700, for the LH static
pressure ADM (19FP7)
and
-
R static probe 1 8DA1, zone 128, STA 9300, for the RH static pressure ADM (19FP4)
-
R static probe 2 8DA2, zone 128, STA 9350, for the RH static pressure ADM (19FP6).
(3)
Connect the ground pressure generator to the pitot probe with the ADAPTOR-CHARGING,PITOT PROBE. For CAPT circuit:
-
pitot probe 1 9DA1, zone 125
For F/O circuit:
-
pitot probe 2 9DA2, zone 126.
(4)
Seal the drain holes:
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.
Seal the drain holes of the pitot probes with a piece of plastic and/or colored adhesive tape of very bright color.
1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-13-00Page 583 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 106-149, 201-299, 301-399, 401-499,
Subtask 34-13-00-480-051-A
C. Installation of the Main Air Data System
(1) Remove the slip on covers from the static probes and the pitot probes of the main system.
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 probes with the ADAPTER COVER-STATIC PORT (98D34003500102). For CAPT circuit (ADIRU 1) and F/O circuit (ADIRU 2):
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