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┃I  -~ A318                      ┃I      CONTROLSRandIINDICATORS  ┃SEQ 001 1 ┃I REV 25  ┃
┃  .,,,.8, ,, ~% A319            ┃                                ┃          ┃          ┃
┃ Lli,~ A320                     ┃                                ┃          ┃          ┃
┃      A~7-~'M" A321             ┃                                ┃          ┃          ┃
┃   FLIGHT CREW OPERATING MANUAL ┃                                ┃          ┃          ┃
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     YELLOW ELEC PUMP pb sw (springloaded)
ON
FAULT It
The electric pump is ON.
If the electrical power supply is removed, the pump will remain off when
electrical power is applied again.
The pump is off.
It comes on automatically when a crewman sets the lever of the cargo
door manual selector valve to OPEN or CLOSE.
This inhibits the operation of other yellow system functions (except
alternate braking and engine 2 reverse).
This amber light, accompanied by an ECAM caution, comes on if :
- the reservoir level is low
- air pressure in the reservoir is low
- the reservoir overheats
- pump pressure is low
- the pump overheats.
The light goes out when the crew selects OFF, except during an overheat
(The light stays on as long as the overheat lasts).
     PTU pb sw
    AUTO   : The bidirectional power transfer unit is armed and both the yellow and
                the green electrohydraulic valves are open.
                The power transfer unit runs automatically when the differential pressure
                between the green and yellow systems is more than 500 PSI.
Note : The PTU is inhibited during the first engine start and automatically
       tested during the second engine start.
OFF    : Both the green and the yellow PTU electrohydraulic valves close. Power
            transfer stops.
FAULT It : This amber light comes on, and a caution appears on the ECAM, if :
            - the green or the yellow reservoir overheats
            - the green or the yellow reservoir has low air pressure
            - the green or the yellow reservoir has a low flluid level.
            The light goes out when the crew selects OFF, except during an overheat
            (The light stays on as long as the overheat lasts).
(~ RAT MAN ON pb
The flight crew may extend the RAT at any time by pressing the RAT MAN ON
pushbutton.
Note : The RAT extends automatically if AC BUS I and AC BUS 2 are lost.
       (refer to 1.24.20).
CCM ALL
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┃I  -~ A318                      ┃        HYDRAULIC       ┃1.29.20     P 3   ┃
　
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本文鏈接地址：AIRBUS A320 Flight Crew Operating Manual3(153)