Subtask 30-31-00-941-051
B. Aircraft Maintenance Configuration
(1)
On the panel 25VU:
-Make sure that the PROBE/WINDOW HEAT pushbutton switch is released (the ON legend is off).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001)
(3)
Do the ADIRS start procedure (Ref. TASK 34-10-00-860-002)
(4)
On one MCDU get the SYSTEM REPORT/TEST ICE & RAIN page (Ref. TASK 31-32-00-860-007).
Subtask 30-31-00-865-055
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R R R R R R R 49VU ANTI ICE/PROBES/AOA/1 49VU ANTI ICE/PROBES/PHC/1 49VU ANTI ICE/PROBES/PITOT/1 122VU ANTI ICE/PROBES/PHC/3 122VU ANTI ICE/PROBES/2/TAT 122VU ANTI ICE/PROBES/2/PITOT 122VU ANTI ICE/PROBES/2/AOA 122VU ANTI ICE/PROBES/2/PHC 122VU ANTI ICE/PROBES/2/STATIC 122VU ANTI ICE/PROBES/3/PITOT 122VU ANTI ICE/PROBES/3/AOA 122VU ANTI ICE/PROBES/3/STATIC 122VU ANTI ICE/PROBES/1/STATIC 122VU ANTI ICE/PROBES/1/TAT 4DA1 2DA1 3DA1 2DA3 1DA2 3DA2 4DA2 2DA2 5DA2 3DA3 4DA3 5DA3 5DA1 1DA1 D04D03D02Y16 Y15 Y14Y13Y12 Y11 Z16Z15 Z14 Z13 Z12
4. Procedure_________
Subtask 30-31-00-710-051
A. Operational Test to Read the CLASS 3 FAULTS
-------------------------------------------------------------------------------
ACTION RESULT
-------------------------------------------------------------------------------
On the MCDU: - push the line key adjacent to the PROBES HEAT COMPTR 1(2)(3) indication - the PROBE HEAT COMPTR 1(2)(3) pagecomes into view
- push the line key adjacent to the CLASS 3 FAULTS indication. - the NO FAULT indication comes intoview
- push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.
5. Close-up
________ Subtask 30-31-00-942-051
A. Put the aircraft back to its initial configuration.
(1) Do the ADIRS stop procedure:
(a) On the panels 301VU and 500VU, set the PFD and ND potentiometers to OFF.
(b) On the ADIRS CDU, set the OFF/NAV/ATT selector switches to OFF. Subtask 30-31-00-862-053
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
COMPUTER - PROBE HEAT (PHC) (6DA1,6DA2,6DA3) - REMOVAL/INSTALLATION
___________________________________________________________________ TASK 30-31-34-000-002 Removal of the Probe Heat Computer (PHC) (6DA1,6DA2,6DA3) CAUTION : MAKE SURE THAT WHEN THE C/B 2DA1(2,3) IS OPEN, THE C/B'S 1DA1(2),
_______ 3DA1(2,3), 4DA1(2,3), 5DA1(2,3) ARE ALSO OPEN. THIS PREVENTS DAMAGE TO THE TAT AND THE PITOT PROBES.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific access platform 2.5 m (8 ft. 2 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
30-31-34-991-002 Fig. 401
3. Job Set-up__________
Subtask 30-31-34-865-051
A. Open, safety and tag this(these) circuit breaker(s):
R R R R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 6DA1 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU ANTI ICE/PROBES/PHC/1 2DA1 D03 49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 122VU ANTI ICE/PROBES/1/STATIC 5DA1 Z13 122VU ANTI ICE/PROBES/1/TAT 1DA1 Z12 FOR 6DA2 122VU ANTI ICE/PROBES/2/TAT 1DA2 Y15 122VU ANTI ICE/PROBES/2/PITOT 3DA2 Y14 122VU ANTI ICE/PROBES/2/AOA 4DA2 Y13 122VU ANTI ICE/PROBES/2/PHC 2DA2 Y12 122VU ANTI ICE/PROBES/2/STATIC 5DA2 Y11 FOR 6DA3 122VU ANTI ICE/PROBES/PHC/3 2DA3 Y16 122VU ANTI ICE/PROBES/3/PITOT 3DA3 Z16 122VU ANTI ICE/PROBES/3/AOA 4DA3 Z15 122VU ANTI ICE/PROBES/3/STATIC 5DA3 Z14
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