System Review PTM CH-13 (Hydraulics)

Question 1

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

Answer 1

TWO, 3000psi

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

B-L-T-S-S-N
1. Wheel Brakes
2. Landing Gear
3. Thrust Reversers
4. Speed brakes
5. Spoilers
6. Nosewheel steering

Question 4

When is the DC electric AUX HYD pump used?

Answer 4

On the ground to set the parking brake without engines running and if a HYD RES PRESS LOW (White) CAS message

Question 5

Can the AUX HYD pump be used inflight?

Answer 5

NO

Question 6

AUX HYD Pump Limitations

Answer 6

2 minutes cumulative within a 15 minute window.

Then requires a 15 minute cool down period.

Question 7

Minimum temperature to operate the AUX HYD Pump?

Answer 7

-40 degrees C

Question 8

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

Answer 8

Unload respective hydraulic pumps.

Question 9

Can I see the hydraulic fluid volume?

Answer 9

YES, on the EIS Display

Question 10

What is checked inside the Hydraulic Ground Service Panel?

Answer 10

TWO ACCUMULATOR GAUGES

Question 11

HYD PRESS LOW (Amber) CAS signifies what?

Answer 11

Pressure delivered to either Hydraulic Pump is too low.