TASK 22-10-00-710-006

 Operational Test of the FCU
 WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
 1. Reason for the Job
__________________
 To do a check of:
 -
the selector switches and the display windows

 -
the changeover logic between FCU1 and FCU2

 -
the re-initialization of the two microprocessors for a power cut of more than seven minutes.

 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
 3. Job Set-up
__________
 Subtask 22-10-00-861-055
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 22-10-00-865-055
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FCU/1 9CA1 B05
 1EFF : ALL 1 22-10-00Page 521 1 1 Feb 01/98 1 1 1CES 1 Subtask 22-10-00-865-059

 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FMGC/1 10CA1 B02 121VU AUTO FLT/FCU/2 9CA2 M21 121VU AUTO FLT/FMGC/2 10CA2 M17
 4. Procedure
_________
R **ON A/C 001-049, 051-061, 101-105, 201-203,
 Subtask 22-10-00-710-056
 A. Do this test:
 NOTE : During the test, ignore the visual and aural warnings.
____
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the FCU, on the EFIS control
 section:

 -Set the two "in Hg/hPa"
 selector switches to hPa.

 2. On the FCU:  The FCU shows these values:
 -Pull and turn the selector  - V/S: +30oo
 knobs to change the values in - ALT: 40000
 the display windows. - HDG: 359

 -SPD: 399
 -BARO pressure: 1013.
 3.
 Close the circuit breaker 9CA2.  No change.

 4.
 Open the circuit breaker 9CA1.  The FCU shows the same values as in step 2.

 5.
 On the FCU:  The FCU shows these values:

 -Change the values shown. - V/S: -40oo
 -ALT: 15800
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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
- HDG: 95
 - SPD: 120
 - BARO pressure: 1013
 6. Close the circuit breaker 9CA1.  No change.
 7. Open the circuit breaker 9CA2.  The FCU shows the same values as in
 step 5.
 8. Open the circuit breaker 9CA1.  On the FCU, all the values go out of
 view.
 9. Wait more than 7 minutes and then  At the end of the safety test, the FCU
 close the circuit breaker 9CA2.  shows these values:
 - V/S: +00oo
 - ALT: 00100
 - HDG: 000
 - SPD: 100
 - BARO pressure: 1013.
 The HDG-V/S indication is in view.
 10. Open the circuit breaker 9CA2.  On the FCU, all the values go out of
 view.
 11. Close the circuit breaker 9CA1.  The FCU shows the same values as in
 step 9.
 12. Close the circuit breaker 9CA2.  No change.
 13. On the FCU:  On the FCU:
 - Push then release the  - The TRK-FPA data is shown (indication
 HDG-V/S/TRK FPA pushbutton  and display windows).
 switch.
 - Push the pushbutton switch  - The HDG-V/S data is shown (indication
 again.  and display windows)
 14. Close the circuit breaker 10CA1.
 15. On the FCU, (at the end of the
　
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