777 Hydraulic
by jerome meriweather
   

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Hydraulic Panel Right ELECT Selector Left ELECT Selector C2 Air Selector C1 Air Selector C2 Elect Pump Switch C1 Elect Pump Switch Right Engine Pump Left Engine Pump Ram Air Turbine
777 Photo and/or Graphic Element
  

The 777 airplane has three independent Hydraulic Systems: left, right and center. The Hydraulic System power:
  • Flight Controls
  • Landing Gear
  • Leading edge slats
  • Nose and main wheel steering
  • Thrust reversers
  • Trailing edge flaps
  • Wheel Bakes
Flight control system components are distributed so that any one Hydraulic Sysytem can provide adequate airplane controllability. A Ram Air Turbine (RAT) provides backup Hydraulic pressure for some flight controls.

 

dragLayer
Ram Air Turbine Switch
Left/Right Primary ENG Pump Switches
C1/C2 Primary ELECT Pump Switches
C1/C2 ELECT/Air Demand Pump Selectors
Left/Right ELECT/Air Demand Pump Selectors