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3. Job Set-up
__________
Subtask 22-10-00-860-056
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).
(3)
Make sure that the aircraft is in the clean configuration (on the FLAPS panel 114VU, the lever is in the 0 notch position).
Subtask 22-10-00-865-060
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FCU/1 9CA1 B05 49VU AUTO FLT/FMGC/1 10CA1 B02 49VU FWS/FWC1/SPLY 3WW F01 121VU AUTO FLT/FCU/2 9CA2 M21 121VU AUTO FLT/FMGC/2 10CA2 M17 121VU EIS/FWC2/SPLY 2WW Q07
Subtask 22-10-00-860-059
C. Take the applicable safety precautions before you open the LGCIU circuit breakers (Ref. TASK 32-00-00-860-001).
NOTE : You must do these actions to prevent probe heating and to simulate
____
a flight configuration.
Ignore the warnings related to this simulation.
Subtask 22-10-00-865-062
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU L/G/LGCIU/SYS1/NORM 121VU COM NAV/RAD ALTM/2 121VU COM NAV/RAD ALTM/1 121VU HYDRAULIC/LGCIU/SYS2 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 1GA 1SA2 1SA1 2GA 52GA C09K12K11Q35Q34
Subtask 22-10-00-860-057
E. Aircraft Maintenance Configuration
(1) On the center pedestal, on the SWITCHING panel 8VU, make sure that the AIR DATA selector switch is set to NORM.
(2) On the FCUs: - Push the baro reference selector knobs to get baro reference, - then turn them to set an altitude equal to zero feet on Captain's and First Officer's PFDs.
4. Procedure_________
Subtask 22-10-00-710-057
A. Do this test:
R R R R R R R NOTE : To do a check of the altitude alert circuit, you must do a check____ of FCU C/Bs plus FWC C/Bs in pairs. Thus, do steps 1 thru 4 four times, each time with one of these pairs of circuit breakers open: - 9CA1/2WW - 9CA1/3WW - 9CA2/2WW - 9CA2/3WW.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the center of the FCU:
-Turn the altitude selector knob to set an altitude of 1000 ft in the ALT field of the display window.
2. On the left (right) side of the FCU:
-Turn the baro reference selector knob to set an altitude of 500 ft on the Captain's PFD altitude counter.
3. On the left (right) side of the FCU:
-Turn the baro reference selector knob in the direction of an altitude of zero ft.
4. In the center of FCU:
-Turn the altitude selector knob to set an altitude of 30000 ft in the ALT field of the display window.
5. Close-up
________
Subtask 22-10-00-865-063The altitude alert audio warning (Cchord) operates only once briefly.On the two PFDs, altitude counter(yellow) framework flashescontinuously.
The altitude alert audio warning (Cchord) operates continuously.The altitude counter framework flashesamber continuously.
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