Hydraulics Flashcards
1
Q
When does the electric hydraulic pump come on?
A
Below 56.4%N2
1600psi
2
Q
Which hydraulic pump puts out more volume?
A
Engine driven pump puts out 10 times more than the electric.
3
Q
Where is the priority valve and what does it do?
A
In hydraulic system 1.
It gives priority to the flight instruments.
4
Q
What components does hydraulic system 1 power?
A
1/2 ailerons 1/2 rudder Inboard spoilers Outboard brakes Thrust reverser 1 Landing gear Steering Main door
5
Q
What components does hydraulic system 2 power?
A
1/2 ailerons 1/2 rudder Outboard spoilers Inboard brakes Thrust reverser 2 Emergency brakes
6
Q
What is the highest temperature for hydraulic fluid?
A
90 C
7
Q
How many hydraulic filters are there?
A
3 each with a bypass
8
Q
How many times will the accumulators actuate the main door, and emergency brakes?
A
Main door 4
Emergency brakes 6
9
Q
How much pressure does each hydraulic system produce?
A
#1 is 3000psi #2 is 2900psi
