Hydraulic System Flashcards
What is the capacity of the hydraulic system reservoir?
5.3 Pints
What is the hydraulic SYSTEM capacity?
10 pints
The hydraulic pump has a variable delivery with constant pressure of ____ PSI
1500 PSI
Where is the hydraulic pump located?
The sump case of the main transmission
The hydraulic filter has a red indicating button that is set to pop out when a differential pressure across the element exceeds ____ PSID
70 +/- 10 PSID
Is the hydraulic filter a bypass or non-bypass assembly?
Non-bypass
The pressure release valve on the hydraulic system opens to relieve pressure build up at ____ PSI.
It re-seats at ____ PSI.
Open - 1725 PSI
Re-seats - 1530 PSI
The hydraulic solenoid valve fails in the ____ position in the event of an electrical failure
Open
The HYD PRESS LO caution light comes on at what PSI?
When does it go out?
The HYD PRESS LO light comes on at 1000 +/- 100 PSI
The light goes off at 1200 +/- 100 PSI
The hydraulic system supplies ____ PSI to the cyclic control system.
1500 PSI
A pressure reducing valve within the hydro system reduces pressure to the collective and directional controls to ____ PSI
1000 PSI
Pressure is supplied to the ____ when the HYD CONT switch is in the ON position
Servo system
When the HYD CONT switch is in the OFF position the pump outlet is blocked and ____ is supplied to the system
No power
The switch is a fail safe type, power is required to turn the solenoid valve ____
OFF
What reduces main rotor feedback with hydraulic pressure loss?
Irreversible valves
