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CL-65 Study Guide > Hydraulic System > Flashcards

Flashcards in Hydraulic System Deck (13):
0

How many separate hydraulic systems are there in the CRJ?

3

1

What is the normal pressure in each hydraulic system?

3000 psi

2

Low pressure caution occurs at what pressure?

<1800 psi

3

Hydraulic high pressure occurs at what pressure?

3200 psi

4

What is the normal hydraulic system quantity?

45% to 85%

5

Hydraulic high temperature condition occurs at what temperature?

Greater than or equal to 96 Celsius

6

The HYD HI TEMP caution indicates that hydraulic fluid is hot in which part of the system?

The reservoirs

7

How many hydraulic pumps are there?

6 (three full time "a" pumps and three part time "b" pumps)

8

When will the hydraulic b pumps operate?

When switched on or with switches in auto when flaps are moved out of the 0 position

9

When will hydraulic pump 3B operate?

When switched on or when switch is in auto, at least one generator is online and flaps are out of the 0 position or when the ADG deploys

10

What type of hydraulic fluid is used?

Skydrol

11

What color is the hydraulic fluid?

Purple

12

When will pressure relief occur?

Greater than or equal to 3750psi