Hydraulic Flashcards
1
Q
How many hydraulic systems are there?
A
3
2
Q
What are the normal hydraulic pressure ranges?
A
3000psi +/-200
Max PSI 3500psi
3
Q
What is the purpose of the PTU?
A
Provide System B pressure to operate auto-slats and leading edge devices
4
Q
When will the PTU operate?
A
Failure of System B when pressure drops below 2350psi
5
Q
What manually activates the standby hydraulic pump?
A
-Moving FLT CONTROL switch to STBY RUD
-Moving ALTERNATE FLAPS switch to ARM
6
Q
Which reservoirs have a standpipe?
A
A and B
7
Q
What will quantity show when reservoirs are empty?
A
A-20%
B-0%
