11.11 Flashcards
What is a disadvantage of synthetic oil in a hydraulic system?
More hygroscopic than mineral oil
Why is it necessary to pressurise hydraulic reservoirs?
To ensure that there is a positive supply of hydraulic fluid
Where, during maintenance can hydraulic oil be drained from?
The drain valve on the lowest part of the reservoir housing
Where could you get level indications for the system?
The hydraulic panel
The ECAM
Where would indication of pump wear be found?
The case drain filler
What causes the RAT to deploy?
When you lose all power
If there is a larger demand of a system what would occur?
Load shedding
What is the function of a hydraulic accumulator?
Accumulated energy and smooths out pulsations
What types of load does a static seal withstand?
Steady or pulsating loads
What prevents cavitation of the main system pumps?
Pre-charging
What material is usually used to manufacture low pressure tubing?
Stainless steel, Aluminium and titanium alloys