Hydraulic System Presentation MENU The A320 family has

The A320 family has three independent hydraulic systems :

The GREEN and YELLOW hydraulic systems are each pressurized by an engine driven pump.

The YELLOW hydraulic system can also be pressurized by an electric pump. MENU

A Power Transfer Unit (PTU) enables the GREEN system to be pressurized by the

Fire shut off valves are located between the reservoirs and the engine driven pumps.

The BLUE hydraulic system is pressurized by an electric pump. MENU

In an emergency the BLUE system can be pressurized by the Ram Air Turbine

YELLOW USERS Each hydraulic system delivers a constant pressure to the users. MENU BLUE

MENU YELLOW USERS BLUE USERS GREEN USERS RAT ELEC ELEC 2

MENU Let’s briefly review the basic system using the ECAM HYDRAULIC page. .

MENU . The PTU, . The pressure indications.

The controls for the components that we have introduced are located on the overhead

The hydraulic system is fully automatic. However each pump and the PTU have an

Each hydraulic engine pump is controlled by a pb sw located on the overhead

Each hydraulic electrical pump is controlled by a pb sw. MENU

The RAT may be extended manually by using this guarded pb sw. Module completed

LIST OF SUBJECTS MENU EXIT GLOSSARY AUDIO FCOM RETURN YELLOW AND GREEN CIRCUITS

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>Hydraulic System Presentation MENU Hydraulic System Presentation MENU

>The A320 family has three independent hydraulic systems : The A320 family has three independent hydraulic systems : - GREEN, - YELLOW, - and BLUE. Now, let’s look at the systems in more detail. MENU

>The GREEN and YELLOW hydraulic systems are each pressurized by an engine driven pump. The GREEN and YELLOW hydraulic systems are each pressurized by an engine driven pump. MENU

>The YELLOW hydraulic system can also be pressurized by an electric pump. MENU The YELLOW hydraulic system can also be pressurized by an electric pump. MENU

>A Power Transfer Unit (PTU) enables the GREEN system to be pressurized by the A Power Transfer Unit (PTU) enables the GREEN system to be pressurized by the YELLOW system and vice versa. MENU

>Fire shut off valves are located between the reservoirs and the engine driven pumps. Fire shut off valves are located between the reservoirs and the engine driven pumps. MENU

>The BLUE hydraulic system is pressurized by an electric pump. MENU The BLUE hydraulic system is pressurized by an electric pump. MENU

>In an emergency the BLUE system can be pressurized by the Ram Air Turbine In an emergency the BLUE system can be pressurized by the Ram Air Turbine (RAT). MENU

>YELLOW USERS Each hydraulic system delivers a constant pressure to the users. MENU BLUE YELLOW USERS Each hydraulic system delivers a constant pressure to the users. MENU BLUE USERS GREEN USERS

>MENU YELLOW USERS BLUE USERS GREEN USERS RAT ELEC ELEC 2 MENU YELLOW USERS BLUE USERS GREEN USERS RAT ELEC ELEC 2 1 All the components we have talked about are displayed on the ECAM HYD page.

>MENU Let’s briefly review the basic system using the ECAM HYDRAULIC page. . MENU Let’s briefly review the basic system using the ECAM HYDRAULIC page. . The reservoirs, . The fire shut-off valves,

>MENU . The pumps, . The RAT, MENU . The pumps, . The RAT,

>MENU . The PTU, . The pressure indications. MENU . The PTU, . The pressure indications.

>The controls for the components that we have introduced are located on the overhead The controls for the components that we have introduced are located on the overhead hydraulic control panel. Let’s now go to the ECAM HYD page together with the hydraulic control panel. MENU

>The hydraulic system is fully automatic. However each pump and the PTU have an The hydraulic system is fully automatic. However each pump and the PTU have an associated pushbutton switch for abnormal operation. MENU

>Each hydraulic engine pump is controlled by a pb sw located on the overhead Each hydraulic engine pump is controlled by a pb sw located on the overhead panel. MENU

>Each hydraulic electrical pump is controlled by a pb sw. MENU Each hydraulic electrical pump is controlled by a pb sw. MENU

>The PTU is controlled by a pb sw. MENU The PTU is controlled by a pb sw. MENU

>The RAT may be extended manually by using this guarded pb sw. Module completed The RAT may be extended manually by using this guarded pb sw. Module completed MENU NEXT

>LIST OF SUBJECTS MENU EXIT GLOSSARY AUDIO FCOM RETURN YELLOW AND GREEN CIRCUITS LIST OF SUBJECTS MENU EXIT GLOSSARY AUDIO FCOM RETURN YELLOW AND GREEN CIRCUITS BLUE CIRCUIT CONTROLS ECAM PAGE