13. Hydraulic Power Flashcards
1
Q
What should be done prior to checking fluid level?
A
Flaps must be retracted and pressure must read zero on both flight compartment indicators.
2
Q
What are the 2 damping accumulators pre-charged with?
A
Nitrogen gas at 750 psi
3
Q
If no pressure is present in the hydraulic system what will the accumulator gauges read?
A
The pressure of the nitrogen pre-charge.
4
Q
At what pressure will the system pressure relief valve opens?
A
Above 1750 psi.
5
Q
How many strokes of hand pump will be required to buildup pressure to 1300 psi?
A
Between 20 to 30
6
Q
What is the acceptable operating hydraulic pressure?
A
1300-1600 psi
(1225-1625 psi if mod equipped) we do
