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ACTION RESULT -------------------------------------------------------------------------------
-push the APU MASTER SW twice - the warning,
(on/off) to reset the ECB APU EMER SHUT DOWN
(59KD). goes off.
On the overhead panel 25VU:
-the FAULT legend in the APU MASTER SW pushbutton switch goes off.
17. On the circuit breaker panel 121VU:
-close the circuit breaker
APU/FIRE/LP VALVE/NORM 4WF.
Subtask 26-22-00-710-058-B
B. APU LP Fuel-Valve dual Actuator Test.
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1. In the INT LT section of the In the cockpit:
overhead panel 25VU: - all annunciator lights come on fully
- put the ANN LT switch in the bright.
TEST position.
2. In the INT LT section of the In the cockpit:
overhead panel 25VU: - all applicable annunciator lights go
- put the ANN LT switch in the off.
BRT position.
3. On the circuit breaker panel
121VU:
- open the circuit breaker
APU/FUEL/LP VALVE/CTL 1QF.
4. On the overhead panel 25VU: On the overhead panel 25VU:
- push the APU MASTER SW - the ON legend in the APU MASTER SW
pushbutton switch. pushbutton switch comes on.
5. On the ECAM control panel: On the ECAM lower display unit:
- push the FUEL pushbutton - the FUEL system page comes into view,
switch. - the APU LP fuel-valve symbol is shown
in the open position.
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ACTION RESULT -------------------------------------------------------------------------------
6. On the APU FIRE panel 20VU:
-lift the guard and release the APU FIRE pushbutton switch.
7. On the APU FIRE panel 20VU:
-push the APU FIRE pushbutton switch and close the guard.
8. On the overhead panel 25VU:
-release the APU MASTER SW
pushbutton switch.
9. On the glareshield panel 130VU or 131VU:
-push the MASTER CAUT pushbutton switch.
On the APU FIRE panel 20VU:
-
the SQUIB legend in the AGENTpushbutton switch comes on.
On the ECAM upper display unit:
-
the warning, APU EMER SHUT DOWN MASTER SW .... OFF comes on.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights come on,
-a single chime is heard.
On the overhead panel 25VU:
-
the FAULT legend in the pushbutton APU MASTER SW comes on.
On the FUEL page of the ECAM lower display unit:
-
the APU LP fuel-valve symbol is shown in the closed position.
On the APU FIRE panel 20VU:
-
the SQUIB legend in the AGENTpushbutton switch goes off.
On the overhead panel 25VU:
-
the FAULT legend in the APU MASTER SWpushbutton switch goes off.
-
the ON legend in the APU MASTER SW pushbutton switch goes off.
On the ECAM upper display unit:
-
the warning, MASTER SW .... OFF goes off.
On the glareshield panels 130VU and131VU:
-
the MASTER CAUT lights go off.
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ACTION RESULT -------------------------------------------------------------------------------
10. On the overhead panel 25VU:
-push the APU MASTER SW twice (on/off) to reset the ECB (59KD).
11. On the circuit breaker panel 121VU:
-close the circuit breaker APU/FUEL/LP VALVE/CTL 1QF,
- open the circuit breaker APU/FUEL/LP VALVE/SPLY 2QF.
12. On the overhead panel 25VU:
-push the APU MASTER SW
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本文链接地址：A320飞机维护手册 AMM FIRE PROTECTION 防火2(72)
