Hydraulics Flashcards

1
Q

Normal hydraulic operating pressure

A

3000 PSI

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2
Q

RAT operating pressure

A

2500 PSI

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3
Q

What causes RAT to auto deploy

A

Dual engine failure
Low fluid level in G/Y or G/B reservoir

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4
Q

When does green electric pump run

A

If one engine fails, green electric pump runs for 25s when gear is selected up.

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5
Q

When does blue electric pump run?

A

OEI in addition to a PRIM1 or 3 loss to ensure sufficient power for the rudder.

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6
Q

What causes yellow electric pump to run?

A

Eng 2 failure if the flap lever is not at zero and spf >100kts

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