SYSTEMS/HYDR
PRESSURE INDICATION
Digital Pressure
Amber indicates cautionary operating range.
Pressure Scale/Pointer
If scale or pointer is amber that indicates the cautionary operating range.
QUANTITY INDICATION
Displays the percentage of fluid remaining for each hydraulic system.
Green – normal quantity, Cyan – reservoir requires refilling.
TEMPERATURE INDICATION
Indicates the hydraulic fluid temperature measured in the reservoir.
Green – normal operating range, Amber – cautionary operating range, Red – operating limit exceeded.
ENGINE PUMP SHUTOFF VALVE STATUS
Depicted as a circle with an internal line representing the valve position.
IN TRANSIT: white circle and a white line diagonal to the flow line.
ELECTRIC HYDRAULIC PUMP STATUS
Circle with an internal windmill.
The icons that represent electrical pumps are smaller than the engine-driven pump and PTU icons.
ENGINE DRIVEN HYDRAULIC PUMP STATUS
Depicted as a circle with an internal windmill.
POWER TRANSFER UNIT STATUS
Depicted as a circle with an internal windmill
HYDRAULIC FLOW LINE
Green – flow line is pressurized, White – not pressurized, White/Amber dashed – pressure is undetermined.
HYDRAULIC SYSTEM DISTRIBUTION BOX
Each distribution box indicates the airplane’s systems supplied by the respective hydraulic system.
Green – associated hydraulic system is pressurized, White – not pressurized, White/Amber dashed – pressure is undetermined.
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