747 Hydraulic Power
by jerome meriweather
|
| |
|
|
|
Up to Electrical
Right to Fuel System or Anti-Ice
Down to Cockpit Lights
To View a Control's Description, MouseOver it and ...
Click to "Show" - MouseDown to "Drag" - DoubleClick to "Hide"
|
|
747 Photo and/or Graphic Element
|
|
|
|
Engine Pump Switch
- ON - Allows associated engine-driven pump to supply pressure when the engine is rotating.
- OFF - Depressurizes the engine-driven pump.
Demand Pump Selector
- OFF - Shuts off the associated pump.
- AUTO - Operates when the respective engine-driven output pressure is low or when the FUEL CONTROL switch is placed in CUTOFF.
- ON - Pump operates continuously.
- AUX - Pressurizes system 4 on the ground if the ground handling bus is powered.
Demand Pump Press Lights
Indicates the DEMAND PUMP selector is off, pump is operating and output pressure is low, or the pump fails to operate.
SYS Fault Lights
Indicates low pressure, low reservoir quantity, or excessive fluid temperature.