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Thread: Overhead panel pb.
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05-22-2007, 05:30 PM #1
- Join Date
- May 2007
- Location
- Latvia, Riga (EVRA)
- Posts
- 37
Overhead panel pb.
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05-22-2007, 08:53 PM #2
Hi Sergey,
Actually the only lights that are on on the overhead basically are the Apu, ON and Avail light, the Gen Fault Amber Lights and the Apu Bleed ON light if available as you saig the external power that in AVAIL or in ON... Remember the Airbus is a Dark cockpit configuration if no light means systems are working in AUTO if not normally you have lights for Systems OFF and Fault if something is not working... Also the Fuel Pumps if you are in the Gates they are in OFF!! Lighted white.
Take care,
Roberto
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05-23-2007, 04:20 AM #3
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- May 2007
- Location
- Latvia, Riga (EVRA)
- Posts
- 37
Thanks, Roberto!
When aircraft is in gate and powered by BAT 1/2:
1) - On overhead of Wilco A320 amber FAULT lights Hyd. ENG 1/2 PUMP, BLUE ELEC PUMP, green AVAIL and all Fuel PUMP's pb.'s OFF lights is on only;
- On overhead of PSS A320 amber FAULT lights GEN 1/2 , PACK 1/2, green AVAIL and all Fuel PUMP's pb.'s OFF lights is on only;
What is corrects?
2)Can I switch on Wing/Eng Anti Ice pb.'s or it can be switch on but start work only when first Engine start.
3)What External light I can switch on with bat only?
4) Can Static inverter supply AC power to feed BLUE/Yellow ELEC PUMP when aircraft is on bat ?
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05-23-2007, 04:46 PM #4
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05-30-2007, 11:05 AM #5
- Join Date
- May 2007
- Location
- Latvia, Riga (EVRA)
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a) Then, how Hydraulic Yellow system hydraulicaly powered on the ground with Bat only ?
b) Can BLUE/Yellow ELEC PUMP work on the ground when Eng 1. and Eng 2. is off from :
- BAT (through power inverter)???
- APU or EXT PWR ???
c) Can Yellow ELEC PUMP work in fly powered by AC from Emergence Generator when GEN 1/2 or (Eng 1/2). is fail??
d) Can I move the Trim, Rudder, Flaps, Ailerons/Elevators with Engines off ?
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05-31-2007, 12:09 PM #6
Dude,
a) You donīt operate any Hydraulic systems with the Batteries... Impossible the batteries are just to start the APU... Period... In an emergency electrical configuration when you only have batteries you deploy the Rat and that will drive you the emergency generator...
b)APU or Ext power Iīm telling you the batteries wonīt drive you anything...
c) Yes
d) No you cannot move them with the Engines off unless you pressurize in the maintenance panel the Hydraulics or you activate the Yellow Hydraulic pump that will enable hydraulics...
Regards,
Roberto
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05-31-2007, 01:44 PM #7
- Join Date
- May 2007
- Location
- Latvia, Riga (EVRA)
- Posts
- 37
Thanks, Roberto for your answers !
Yes, but during RAT and emergency generator start work (aprr. 8 sec) or if RAT fail, the batteries through power invertor supply power to ACC ESS BUSS. Hence the aircraft don't loss AC power to supply it to Electric Hydraulic pumps and to other systems.
Roberto, I find answer. The power invertor supply power to ACC ESS BUS when the aircraft speed is above 50 knots only.
Is this correct?
The Yellow and Blue Hydraulic pumps can work only if I have the APU or EXT PWR on.
Is this correct?
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05-31-2007, 03:08 PM #8
Dude...
Yellow and Blue work Hydraulic pumps only work with the APU the External too on the ground of course... Now on Electrical Emergency configuration when you loose all generators you basically start flying the plane with rudder and trim and the batteries start supplying certain systems not sure about the Hydraulics I think not... Then the Rat deploys and you get the emergency generator or you start the APU so you get your hydraulics through the Electrical pumps, and the green from the yellow with the PTU.
Roberto
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05-31-2007, 03:44 PM #9
- Join Date
- May 2007
- Location
- Latvia, Riga (EVRA)
- Posts
- 37
But if RAT and APU will not be started ?
How long time I can use accumulators for flying?
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05-31-2007, 06:37 PM #10
It doesnīt matter you are dead anyways..
Roberto
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