SYSTEMS/HYDR

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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.

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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.