4.
On the ADIRS CDU:
-set the OFF/NAV/ATT selector switch related to the IR 1 (IR 2) to OFF.
5.
Do the IR 2 test as specified in para. 1 to 4.
6.
On the ADIRS CDU:
-set the OFF/NAV/ATT selector switch related to the IR 1 (IR 2) to NAV.
7.
On the panel 49VU (121VU):
- open the circuit breaker 4FP1 (4FP2).
8.
On the panel 49VU (121VU):
-after a time delay of 15 s, you can hear the horn.
- on the ADIRS CDU,The related FAULT legend continues to flash. The ON BAT light goes off. The ALIGN legend stays on.
-The horn stops.
- on the ADIRS CDU, the related FAULTlegend continues to flash then goesoff after a short time,
- on the upper ECAM display unit, the IR1 FAULT (IR2 FAULT) warning goes out of view.
- on the panels 130VU and 131VU the MASTER CAUT lights go off, - on the ADIRS CDU, the related ALIGN legend goes off.
You must get the same results on theF/O side.
On the ADIRS CDU:
-the related ALIGN legend comes on,
-then, the ON BAT light comes onduring 5 s.
- on the ADIRS CDU, the ON BAT lightcomes on.
-in the nose gear wheel:
* after a time delay of 15 s approx you can hear the horn. * on the door 121AL, on the panel 108VU, the ADIRU & AVNCS VENT light comes on.
- on the CAPT (F/O) PFD and ND, the attitude indications are shown.
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ACTION RESULT -------------------------------------------------------------------------------
-close the circuit breaker 4FP1 (4FP2).
9.
On the ADIRS CDU: set the OFF/NAV/ATT selector switch related to the IR1 (IR2) to OFF.
10.
Do the IR 2 test as specified in para. 6 to 8.
11.
On the panel 121VU: - open the circuit breaker 4FP3.
12.
On the panel 8VU:
-set the ATT HDG selector switch to CAPT/3.
13.
On the ADIRS CDU:
-
set the OFF/NAV/ATT selector switch related to the IR 3 to NAV.
-
set the SYS DISPLAY selector switch to 3.
14.
On the panel 121VU:
-close the circuit breaker 4FP3.
- on the ADIRS CDU, the ON BAT lightgoes off.
-the horn stops.
On the ADIRS CDU:the ALIGN legend goes off.
You must get the same results on theF/O side.
- on the CAPT PFD and ND the attitudeand heading indications from the IR 1 are not shown.
- on the ADIRS CDU:
*
the related ALIGN legend is on,
*
the ON BAT light is on.
* the related FAULT legend flashes. - on the upper ECAM display unit, the IR 3 FAULT warning comes into view.
- on the panels 130VU and 131VU, the MASTER CAUT lights are on.
-you can hear the single chime.
-after a time delay of 15 s, you can hear the horn.
- on the ADIRS CDU:
*
the related FAULT legend goes off.
*
the ON BAT light goes off.
*
the ALIGN legend stays on.
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15. On the ADIRS CDU:
-set the OFF/NAV/ATT selector switch related to the IR 3 to OFF.
16. On the ADIRS CDU:
-set the OFF/NAV/ATT selector switch related to the IR 3 to NAV.
17.
On the panel 121VU: - open the circuit breaker 4FP3.
18.
On the panel 121VU:
-close the circuit breaker 4FP3.
19.
On the ADIRS CDU:
-set the 3 OFF/NAV/ATT selector switches to OFF.
20.
On the panel 8VU:
-set the ATT HDG selector switch to NORM.
- on the ADIRS CDU:
*
the related FAULT legend continuesto flash then goes off after a short time,
*
the ALIGN legend goes off.
- on the ADIRS CDU:
* the ON BAT light comes on during 5
s.
* then, the ALIGN legend comes on.
- on the ADIRS CDU, the ON BAT light comes on.
-in the nose gear well:
* after a time delay of 15 s approx you can hear the horn. * on the door 121AL, on the panel 108VU, the ADIRU & AVNCS VENT light comes on.
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本文鏈接地址：A320飛機維護手冊 AMM NAVIGATION 導航1(72)
