Oil Flashcards
Oil pressure min and max
Min 1.0bar
Max 6.5bar
What can happen when there is less the oil pressure is 1.0bar?
Can lead to total loss of power due to an engine failure
Oil quantity min and max
Min 4.5l
Max 6.0l
What is the oil consumption?
0.1l /hr
Oil temperature min and max
Min -30degC
Max +140degC
Possible outcome over the max oil temperature. How would you reduce the temperature?
> 140degC can lead to total loss of power due to engine failure.
Therefore reduce power on affected engine.
What type of Oil is used?
Shell Helix Ultra or Aeroshell
When should you measure the oil quantity to be the most accurate?
After 30mins as 100% of the oil has returned to the pan.
How many oil systems are there?
Each engine has two separate oil systems
1 for Engine and Turbocharger
1 for Gearbox and Propeller Governor System
Oil Lubrication
Wet sump lubrication. Oil is everywhere - oil cooled by separate cooler on underside of engine.
1st circuit lubricates engine and turbocharger
2nd circuit lubricates gearbox and serves governor system and regulation of propeller