Hydraulics Flashcards
1
Q
how many servos?
A
4
2
Q
purpose of system?
A
reduce workload of pilot moving flight controls
3
Q
hydraulic reservoir location
A
right center edge of the roof
4
Q
reservoir capacity
A
5.3 pints
5
Q
system capacity
A
10 pints
6
Q
hydraulic pump pressure
A
1500 psi
7
Q
hydraulic pump location
A
transmission sump case
8
Q
when does filter pop out?
A
70+-10psi
9
Q
when does pressure releif valve open
A
1725 psi
10
Q
when does pressure relief valve reseat?
A
1530 psi
11
Q
hydraulic solenoid valve default position?
A
on. hyd con switch requires power to turn close/off
12
Q
when does hyd press lo come on?
A
1000 psi. extinguishes at 1200 +-100
13
Q
cyclic pressure
A
1500 psi
14
Q
collective and pedal pressure
A
1000 psi
15
Q
servo description
A
two for cyclics at 45 degrees, one for collective, one for tail rotor
