Hydraulic System

Question 1

How many engine driven pumps supply hydraulic pressure and at what pressure?

Answer 1

2, 3000 PSI.

Question 2

With the loss of an engine, can the remaining pump supply pressure to operate all systems normally?

Answer 2

Yes.

Question 3

Hydraulic pressure operates what systems?

Answer 3

BLT SSN

Brakes.
Landing Gear.
Thrust Reversers.
Spoilers.
Speedbrakes.
Nosewheel Steering.

Question 4

When is the DC electrical AUX hydraulic pump used?

Answer 4

On the ground to set the parking brake without engines running and if a white HYD RES PRESS LOW CAS message.

Question 5

Can the AUX hydraulic pump be used in flight?

Answer 5

No.

Question 6

What are the Hydraulic Pump L or R ENG buttons used for?

Answer 6

Unload respective hydraulic pumps.

Question 7

Can you see the hydraulic fluid volume?

Answer 7

Yes, on the EIS display.

Question 8

What is checked inside the hydraulic Ground Service Panel?

Answer 8

2 Accumulator gauges.

Question 9

Amber HYD PRESS LOW CAS message indicates what?

Answer 9

Pressure delivered to either Hydraulic Pump is to low.