Hydraulics Flashcards
How many hydr systems are there?
3
What official pressure do all 3 hydr systems operate at?
3000psi
Which MFD page shows the hydr system and parameters?
Hydraulic synoptic page
What pressure causes an Amber tick mark to appear next to it?
1800psi
What color is used for open shutoff valves, engine driven pumps that are on, and hydr lines that are pressurized?
Green
Will a failure of 2 hydr lines cause a complete loss of flight critical functions?
No, due to system design
What is Hydr system 1 comprised of?
One reservoir, one engine driven pump (EDP), one electrical DC motor pump (DCMP1), one shutoff valve (SOV 1), and an accumulator.
When will the DCMP 1 be commanded on with HYD 1 ELEC PUMP in auto?
TO & landing
What is HYD system 2 comprised of?
One reservoir, EDP 2, SOV 2, and an accumulator
What is HYD system 3 comprised of?
One reservoir, DCMP 2, and an accumulator
HYD system 3 is designed to operate in conjunction with which electrical systems?
The battery and RAT
What’s the only source of HYD power for system 3
The electric DCMP
Electric source for HYD system 3s DCMP
EMER BUS 3
If HYD 1 & 2 are lost will system 3 still have overheat protection?
No
What is the back up for HYD 1 & 2?
The PTU
