CH09 A320 Hydraulics Flashcards
HYD_001
There are ___ separate and independent hydraulic systems. Designated as:
HYD_001
There are ___ separate and independent hydraulic systems. Designated as:
- Green
- Blue
- Yellow
HYD_002
What are the power sources of the GREEN hydraulic system?
Green:
▪ Engine-driven pump powered by ______ __ (______).
▪ ______ ______ ______ (______) (alternate).
HYD_002
What are the power sources of the GREEN hydraulic system?
Green:
▪ Engine-driven pump powered by engine 1 (primary).
▪ Power Transfer Unit (PTU) (alternate).
HYD_002
What are the power sources of the BLUE hydraulic system?
▪ _______ _______ _______ (primary).
▪ _______ ___ _______ ( ___) (alternate).
HYD_002
What are the power sources of the BLUE hydraulic system?
Blue:
▪ Electrically powered pump (primary).
▪ Ram Air Turbine (RAT) (alternate).
HYD_002
What are the power sources of the YELLOW hydraulic system?
▪ Engine-driven pump powered by ______ ___ (primary).
▪ ______ ______ ____ ( ____) (alternate).
▪ ______ powered pump (alternate).
▪ ______ pump – capable of only providing pressure for ______ ______ operation ( ____ ______ on HYD page)
HYD_002
What are the power sources of the YELLOW hydraulic system?
Yellow:
▪ Engine-driven pump powered by engine 2 (primary).
▪ Power Transfer Unit (PTU) (alternate).
▪ Electrically powered pump (alternate).
▪ Hand pump – capable of only providing pressure for cargo door operation (Not displayed on HYD page)
HYD_003
Explain the displays of the hydraulic system’s reservoir quantity indicator on the ECAM HYD page:
▪ Green pointer indicates _____ _____.
▪ Green rectangle range represents a ___ _____.
▪ Amber rectangle range represents ___ _____ and will cause an ECAM _____ __ ___ caution message.
NOTE: Quantity pointer must be within the _____ ____ during aircraft preflight with respective system ________
HYD_003
Explain the displays of the hydraulic system’s reservoir quantity indicator on the ECAM HYD page:
▪ Green pointer indicates fluid quantity.
▪ Green rectangle range represents a full quantity.
▪ Amber rectangle range represents low quantity and will cause an ECAM RSVR LO LVL caution message.
NOTE: Quantity pointer must be within the green rectangle during aircraft preflight with respective system depressurized
HYD_004
Explain the operation of the BLUE ELEC PUMP when its pb is selected AUTO (lights out). On the ground? In flight?
On the ground - pump is _________ _______ and runs _________ with _________ _________ _________.
In-flight - pump operates _________ regardless of engine operation provided __ _________ is available.
HYD_004
Explain the operation of the BLUE ELEC PUMP when its pb is selected AUTO (lights out). On the ground? In flight?
BLUE ELEC PUMP – AUTO (lights out):
On the ground - pump is automatically activated and runs continuously with first engine start.
In-flight - pump operates continuously regardless of engine operation provided AC power is available.
HYD_005
How are Fire Shutoff valve indications displayed on the ECAM HYD page?
Fire Shutoff valve indications displayed:
- ______ and ______ system Fire Shut off valves are depicted ______ the green engine pump depictions.
How are the valves controlled?
- Controlled by the respective ___ __ (__) ______ pb.
HYD_005
How are Fire Shutoff valve indications displayed on the ECAM HYD page?
Fire Shutoff valve indications displayed:
- Green and Yellow system Fire Shut off valves are depicted below the green engine pump depictions.
Controlled by the respective ENG 1(2) FIRE pb.
HYD_006
Which pumps are depicted on the ECAM HYD page?
o ______ Sys ENG 1 PUMP
o ______ Sys ______ PUMP
o ______ Sys ENG 2 PUMP
o ______ Sys ______ Pump
o __ __ __ (______ ______ ______)
o ___ ___ ___ (__ __ __)
HYD_006
Which pumps are depicted on the ECAM HYD page?
o Green Sys ENG 1 PUMP
o Blue Sys ELEC PUMP
o Yellow Sys ENG 2 PUMP
o Yellow Sys ELEC Pump
o PTU (Power Transfer Unit)
o Ram Air Turbine (RAT)
HYD_008
What are the indications when the Yellow Electric Pump is selected ON?
▪ ON (_____) appears on the _____ _____ _____ pb.
▪ The triangle on the ECAM HYD page next to the _____ _____ indication turns _____ _____.
HYD_008
What are the indications when the Yellow Electric Pump is selected ON?
▪ ON (white) appears on the YELLOW ELEC PUMP pb.
▪ The triangle on the ECAM HYD page next to the white ELEC indication turns solid green.
HYD_009
What is the function of the Power Transfer Unit (PTU)?
The PTU is a ________ hydraulic motor/pump which provides an ________ power source to either the ________ or ________ hydraulic systems.
How does it work?
NOTE: The PTU transfers ________ and _____ fluid between the ________ and ________ systems.
HYD_009
What is the function of the Power Transfer Unit (PTU)?
The PTU is a bidirectional hydraulic motor/pump which provides an alternate power source to either the Green or Yellow hydraulic systems.
NOTE: The PTU transfers power and not fluid between the Green and Yellow systems.
HYD_011
Describe the PTU indications on the ECAM HYD page.
o Green arrows pointing away from the ____ PTU label indicate that the PTU is _____ and ___ _____.
HYD_011
Describe the PTU indications on the ECAM HYD page.
o Green arrows pointing away from the white PTU label indicate that the PTU is armed and not operating.
HYD_011
Describe the PTU indications on the ECAM HYD page:
o Amber arrows indicate the PTU pb has been either _____ ___ or _______.
HYD_011
Describe the PTU indications on the ECAM HYD page:
o Amber arrows indicate the PTU pb has been either selected OFF or inhibited.
HYD_011
Describe the PTU indications on the ECAM HYD page:
o Solid green arrows pointing to the left indicate that the PTU is _________ _________ to the _______ hydraulic system.
o Solid green arrows pointing to the right indicate that the PTU is _________ _________ to the _________ hydraulic system.
HYD_011
Describe the PTU indications on the ECAM HYD page:
o Solid green arrows pointing to the left indicate that the PTU is supplying pressure to the Green hydraulic system.
o Solid green arrows pointing to the right indicate that the PTU is supplying pressure to the Yellow hydraulic system.
HYD_012
What is the indication on the E/WD memo section when the PTU is operating?
HYD_012
What is the indication on the E/WD memo section when the PTU is operating?
▪ HYD PTU appears
HYD_013
What conditions will automatically inhibit PTU operation?
- When ___ ______ switches are in ______ positions
(one ___ the other ___), and either:
▪ ______ ______ is on. or
▪ Nose wheel steering is ______ by the ______ ______ ______on the nose gear.
- When the ______ ______ pump is activated through either ______ ______ operation.
HYD_013
What conditions will automatically inhibit PTU operation?
- When ENG MASTER switches are in opposite positions (one ON the other OFF), and either:
▪ Parking brake is on. or
▪ Nose wheel steering is disconnected by the towing lever on the nose gear.
- When the Yellow Electric pump is activated through either cargo door’s operation.
HYD_014
What is the meaning of the FAULT light in the PTU pb?
Illuminates as the result of the following within either the _______ or _______ hydraulic system _______:
▪ Hydraulic fluid _______
▪ Low ___ _______
▪ Low hydraulic _______ _______
NOTE: The FAULT light does not represent the status or condition of the ___.
HYD_014
What is the meaning of the FAULT light in the PTU pb?
Illuminates as the result of the following within either the Green or Yellow hydraulic system reservoirs:
▪ Hydraulic fluid overheat
▪ Low air pressure
▪ Low hydraulic fluid level
NOTE: The FAULT light does not represent the status or condition of the PTU.
HYD_015
What is the function of the RAT MAN ON pb?
- Used to ________ deploy the Ram Air Turbine (RAT), which provides ________ power to pressurize the ______ hydraulic system.
- The ________ generator is ____ energized with use of this pb.
NOTE: The RAT will ____ automatically deploy with a failure of the ________ ________ pump.
HYD_015
What is the function of the RAT MAN ON pb?
- Used to manually deploy the Ram Air Turbine (RAT), which provides alternate power to pressurize the Blue hydraulic system.
- The emergency generator is not energized with use of this pb.
NOTE: The RAT will not automatically deploy with a failure of the Blue Electric pump.
HYD_016
What are the indications when the RAT is deployed?
- ___ ____ (_____) appears on the E/WD memo section.
- The white hollow_____ next to the _____ RAT indication on the ECAM HYD page turns _____ _____, and a line connects it to the rest of the_____ system indications .
HYD_016
What are the indications when the RAT is deployed?
- RAT OUT (green) appears on the E/WD memo section.
- The white hollow triangle next to the white RAT indication on the ECAM HYD page turns solid green, and a line connects it to the rest of the Blue system indications .
