(2)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
(3)
On the overhead panel, on the ADIRS CDU, set the OFF/NAV/ATT selector switches to OFF.
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(4)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(5)
Make sure that the work area is clean and clear of tool(s) and other items.
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TASK 34-42-00-710-001 Warning Test of the Radio Altimeter WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
1.
Reason for the Job
__________________
Test of the operation of the RA warning.
2.
Job Set-up Information
______________________
A. 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 27-80-00-866-004 Extending the Slats on the Ground 27-80-00-866-005 Retracting the Slats on the Ground 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure
3. Job Set-up
__________ Subtask 34-42-00-860-050
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Ref. TASK 31-60-00-860-001).
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Subtask 34-42-00-865-051
B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION ------------------------------------------------- IDENT. LOCATION------------------------
121VU COM NAV/RAD ALTM/2 1SA2 K12
121VU COM NAV/RAD ALTM/1 1SA1 K11
4. Procedure_________
Subtask 34-42-00-710-051
A. Test of the Operation of the RA Warning
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the center pedestal:
-move the slat/flap control lever to the position 1 (Ref. TASK 27-80-00-866-004).
2. On the rear circuit breaker panel 121VU:
- open the circuit breaker 1SA1.
- open the circuit breaker 1SA2.
The slats extend to the full position.
On the CAPT and F/O PFDs:
-
the altitude 0 ft. stays in view. On the upper ECAM display unit:
-
the NAV RA1 FAULT indication comes
into view. On the CAPT and F/O glareshield panels:
-
the MASTER CAUT lights come on. In the loud speakers:
-you can hear the single chime.
On the CAPT and F/O PFDs:
-
the altitude 0 ft. goes out of view.
-
the RA warning comes into view. On the upper ECAM display unit:
-
the NAV RA1 FAULT indication stays in view.
-
the NAV RA2 FAULT indication comes into view.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------On the CAPT and F/O glareshield panels:
-the MASTER CAUT lights stay on. In the loud speakers:
-you can hear the single chime.
3. On the rear circuit breaker panel 121VU:
-close the circuit breakers 1SA1 On the CAPT and F/O PFDs:
and 1SA2. - the RA warning goes out of view after 15 seconds.
-
the altitude 0 ft. comes into view. On the upper ECAM display unit:
-
the NAV RA1 FAULT and NAV RA2 FAULT indications go out of view.
5. Close-up
________
Subtask 34-42-00-860-051
A. Put the aircraft back to its initial configuration.
(1)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
(2)
Put the aircraft in clean configuration (Ref. TASK 27-80-00-866-005).
(3)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
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