HYDRAULICS

Question 1

When do the aux hyd pumps stop operating automatically?

Answer 1

When the EDP’s pressurise the system?

Question 2

At what hyd value does the hud sus give an RF and Lo indication?

Answer 2

.75 and .35

Question 3

Can you see all the systems powered on the hyd system synoptic?

Answer 3

Yes

Question 4

When flaps are out of up which pumps come on?

Answer 4

1/4 demand pumps operate.

Question 5

With a HYD CONTROL 1 caution what may be affected with the demand pump?

What must you do according to the checklist?

Answer 5

Automatic switching to turn on the demand pump and system indications may be failed.

Turn on the demand pump

Question 6

If the HYQUIM fails what strange things might you see?

Answer 6

Sys fault lights flask on and off
Hyd qty low messages appear/disappear
Hyd qty increases and decreases

Question 7

What is required for the HYD SYS FAULT light to come on?

Answer 7

PRESS lights on both EDP and Demand