R B. APU LP Fuel-Valve dual Actuator Test.
R -------------------------------------------------------------------------------R ACTION RESULT R -------------------------------------------------------------------------------
R 1. In the INT LT section of the In the cockpit:
R overhead panel 25VU: - all annunciator lights come on fully
R - put the ANN LT switch in the bright.
R TEST position.
R 2. In the INT LT section of the In the cockpit:
R overhead panel 25VU: - all applicable annunciator lights go
R - put the ANN LT switch in the off.
R BRT position.
R 3. On the circuit breaker panel
R 121VU:
R - open the circuit breaker
R APU/FUEL/LP VALVE/CTL 1QF.
R 4. On the overhead panel 25VU: On the overhead panel 25VU:
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
R - push the APU MASTER SW - the ON legend in the APU MASTER SW
R pushbutton switch. pushbutton switch comes on.
R 5. On the ECAM control panel: On the ECAM lower display unit:
R - push the FUEL pushbutton - the FUEL system page comes into view,
R switch. - the APU LP fuel-valve symbol is shown
R in the open position.
R 6. On the APU FIRE panel 20VU: On the APU FIRE panel 20VU:
R - lift the guard and release the - the SQUIB legend in the AGENT
R APU FIRE pushbutton switch. pushbutton switch comes on.
R On the ECAM upper display unit:
R - the warning,
R APU EMER SHUT DOWN
R MASTER SW .... OFF
R comes on.
R On the glareshield panels 130VU and
R 131VU:
R - the MASTER CAUT lights come on,
R - a single chime is heard.
R On the overhead panel 25VU:
R - the FAULT legend in the pushbutton
R APU MASTER SW comes on.
R On the FUEL page of the ECAM lower
R display unit:
R - the APU LP fuel-valve symbol is shown
R in the closed position.
R 7. On the APU FIRE panel 20VU: On the APU FIRE panel 20VU:
R - push the APU FIRE pushbutton - the SQUIB legend in the AGENT
R switch and close the guard. pushbutton switch goes off.
R NOTE : Make sure that the APU FIRE pushbutton switch is in its latched____
R position before you close the guard.
R On the ECAM upper display unit:
R - the warning,
R APU EMER SHUT DOWN
R MASTER SW .... OFF
R goes off.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R R R
R R R
R R R 8. On the overhead panel 25VU: - release the APU MASTER SW pushbutton switch.
R R R R R R 9. 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.
R R R 10. On the overhead panel 25VU: - push the APU MASTER SW pushbutton switch.
R R R R 11. On the ECAM control panel: - push the FUEL pushbutton switch.
R R R 12. On the APU FIRE panel 20VU: - lift the guard and release the APU FIRE pushbutton switch.
R R R R R
R R R R
R
On the overhead panel 25VU:
-
the FAULT legend in the APU MASTER SW pushbutton switch goes off.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights go off.
On the overhead panel 25VU:
-
the ON legend in the APU MASTER SW pushbutton switch goes off.
On the overhead panel 25VU:
-
the ON legend in the APU MASTER SW pushbutton switch comes on.
On the ECAM lower display unit:
-
the FUEL system page comes into view,
-
the APU LP fuel-valve symbol is shown in the open position.
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本文链接地址：A320飞机维护手册 AMM FIRE PROTECTION 防火2(75)
