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5 Cards in this Set
- Front
- Back
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ENG 1(2) PUMP pb
(HYD Panel) - ON - OFF - FAULT Light |
ON:
Pump is on when the engine is running. OFF: The pump is depressurized. FAULT Light wiith ECAM caution if: - Reservoir low level - Reservoir overheat (stays on while condition lasts) - Reservoir low air pressure - Low pump pressure (inhibited on the ground, when the engine is stopped) |
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BLUE ELEC PUMP pb
(HYD Panel) - AUTO - OFF - FAULT Light |
AUTO:
If AC power is available, the electric pump operates: - In flight - On the ground, if one engine is running. OFF: The pump is de-energized. FAULT Light with ECAM caution if: - Reservoir low level - Reservoir low air pressure - Reservoir overheat (stays on while condition lasts) - Pump low pressure (inhibited on the ground, when the engines are stopped) - Pump overheat |
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YELLOW ELEC PUMP pb
(HYD Panel) - ON - OFF - FAULT Light |
ON:
Electric pump is ON. If the electrical power supply is removed, the pump remains off when electrical power is applied again. OFF: The pump is off. It comes on automatically during cargo door operation. This inhibits the operation of other yellow system functions (except alternate braking and engine 2 reverse). FAULT Light: With ECAM caution if: - Reservoir low level - Reservoir low air pressure - Reservoir overheat (stays on while condition lasts) - Pump low pressure - Pump overheat |
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PTU pb
(HYD Panel) - AUTO - OFF - FAULT Light |
AUTO:
The power transfer unit is armed and both the Y and G electrohydraulic valves are open. PTU runs automatically when the differential pressure between the green and yellow systems is > 500 PSI. Inhibited: - during the first engine start, (on the ground + split MASTER SW + parking break or NWS disconnected) - during cargo door operation, and after that for 40 sec Automatically tested during the second engine start. OFF: Both the green and the yellow PTU electrohydraulic valves close. Power transfer stops. FAULT Light with ECAM caution if: - G or Y reservoir low air pressure - G or Y reservoir low level - G or Y reservoir overheat (stays on as long as the overheat lasts). |
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RAT MAN ON pb
(HYD Panel) |
The flight crew may extend the RAT at any time by pressing the RAT MAN ON pb.
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