Wing landing gear, outboard trailing edge flaps, normal brakes, and spoilers. Cooling and Monitoring
Inboard trailing edge flaps, nose and body gear steering, nose and body gear actuation, alternate brakes, and the center autopilot. Elevators, ailerons, spoilers, and the right autopilot. Elevators, ailerons, spoilers, and the left autopilot. Boeing 747 Hydraulic System Schematic
Systems 1 and 4 typically use powered by engine bleed air. Systems 2 and 3 typically use Electric Motor Pumps (EMP) . Wing landing gear, outboard trailing edge flaps, normal
Because hydraulic operation generates significant heat, the fluid is cooled via heat exchangers Wing landing gear
Wing landing gear, outboard trailing edge flaps, normal brakes, and spoilers. Cooling and Monitoring
Inboard trailing edge flaps, nose and body gear steering, nose and body gear actuation, alternate brakes, and the center autopilot. Elevators, ailerons, spoilers, and the right autopilot. Elevators, ailerons, spoilers, and the left autopilot.
Systems 1 and 4 typically use powered by engine bleed air. Systems 2 and 3 typically use Electric Motor Pumps (EMP) .
Because hydraulic operation generates significant heat, the fluid is cooled via heat exchangers
