Rotor brake Flashcards Preview

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Flashcards in Rotor brake Deck (13):
1

How long can the rotor brake be held on for when in Acc Drive?

10 Minutes

2

How long can the Rotor Brake be left in park?

8 hours.

3

What is the pressure when the Rotor brake is selected to on?

55 Psi.

4

At what pressure does the thermal relief valve open ?

180 bar.

5

Under what normal parameters can the rotor brake be applied?

Nr below 47% and both engines off.

6

What will cause the [CHK RTR BRK] warning to come on?

Rotor applied with engine running.

7

What will cause [RTR BRK ON] caution?

Rotor brake hydraulic pressure above 3.5 bar.

8

What will cause the [RTR BRK FAIL] caution?

Dormant failure detected in rotor brake manifold (will only happen on ground)

9

Where is the Rotor brake control valve?

Front face of the No1 Hyd manifold.

10

What are the 4 electrically activated hydraulic valves?

Brake pressure Valve at the top.
Brake off Valve in the center.
Brake enable valve front bottom.
Brake on valve rear bottom.

11

What hydraulic pressure is being applied when the rotor brake is in Park?

140 Bar

12

What prevents you putting power to the rotor brake while in flight?

Weight on wheels switch.

13

With no power available to the aircraft how would you take the rotor brake off?

Manual release on rotor brake manifold.