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ACTION RESULT -------------------------------------------------------------------------------
32. On the maintenance panel 50VU:
-push the TMR RESET pushbutton switch.
33. On the FWD Attendant Panel (FAP) 120RH:
-push the PRE REC ANN. STOP membrane switch.
34. In the cabin at the first and second seatrow:
-close the doors of all related emergency oxygen containers.
35. On circuit breaker panel 49VU:
- open circuit breaker 2WR. R - close circuit breaker 3WR.
36. On the overhead panel 21VU:
-push and hold the MASK MAN ON pushbutton switch for more than 6 sec.
On the maintenance panel 50VU:
-
the On indicator light in the TMRRESET pushbutton switch comes on during the time the pushbutton is pushed.
On the overhead panel 21VU:
-
the SYS ON indicator light goes off.In the cabin:
-
the emergency announcements stop.
On the overhead panel 21VU:
-
the SYS ON indicator light comes on.
In the cabin:
-
the emergency announcements are heard.
In the cabin at the first and second seatrow:
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ACTION RESULT -------------------------------------------------------------------------------
-release the MASK MAN ON pushbutton switch.
37. On the maintenance panel 50VU:
-push the TMR RESET pushbutton switch.
38. On the FWD Attendant Panel (FAP) 120RH:
-push the PRE REC ANN. STOP membrane switch.
39. on circuit breaker panel 49VU:
-close circuit breaker 2WR, 5WR and 6WR.
-some of the doors of the emergency oxygen containers open immediately.
-after approx. 6 sec. the doors of the remaining emergency oxygen containers open.
On the maintenance panel 50VU:
-
the On indicator light in the TMRRESET pushbutton switch comes on during the time the pushbutton is pushed.
On the overhead panel 21VU:
-
the SYS ON indicator light goes off.
In the cabin:
-
the emergency announcements stop.
R **ON A/C 106-149, 301-399,
Subtask 35-23-00-720-054-A
C. Functional test of automatic mask release
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
On the circuit breaker panel 49VU:
- open circuit breaker 2WR and 3WR:
2.
On the overhead panel 21VU:
-lift the switch guard and push and hold the MASK MAN ON pushbutton switch for more than 30 sec.
-release the MASK MAN ON
pushbutton switch.
3.
On the maintenance panel 50VU:
-push the TMR RESET pushbutton switch.
On the overhead panel 21VU:
-the SYS ON indicator light comes on.
In the cabin:
-all doors of the emergency oxygen containers open.
On the maintenance panel 50VU:
-after approx. 30 sec. the FAULT indicator light in the TMR RESET pushbutton switch comes on.
-
the FAULT indicator light in the TMRRESET pushbutton switch goes off.
-
the On indicator light in the TMRRESET pushbutton switch comes on during the time the pushbutton is pushed.
On the overhead panel 21VU:
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ACTION RESULT -------------------------------------------------------------------------------
4. In the cabin at the first seatrow:
-close the door of all related emergency oxygen containers.
5. At the vacuum source:
-
slowly decrease the pressure to 14800 ft. (4500 m)
-
slowly increase the pressure to 0 ft. (0 m).
6. On the maintenance panel 50VU:
-push the TMR RESET pushbutton switch.
7. At the electronic rack 103VU:
-remove the SWITCH OFF relay 9WR.
-install a wire between pin A2 and A3 of the relay socket.
8. In the cabin at the first seatrow:
-the SYS ON indicator light goes off.
In the cabin at the first seatrow:
-
the door of the respective oxygencontainers open at 14000 +0 -500 ft. (4260 +0 -150m).
On the overhead panel 21VU:
-
the SYS ON indicator light comes on.
On the maintenance panel 50VU:
-
the On indicator light in the TMRRESET pushbutton switch comes on during the time the pushbutton is pushed.
On the overhead panel 21VU: 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM OXYGEN 氧气(125)
