Oil System

Question 1

How is the oil cooled?

Answer 1

Fuel/Oil Heat Exchanger

Question 2

When should the oil be checked after engine shutdown?

Answer 2

5-30 minutes

Question 3

What is the meaning of a Check Oil amber annunciation when checking the oil level on the ROLS?

Answer 3

Oil is below the full level

Question 4

What should be done prior to dispatch regarding oil level on a cold airplane (Assuming ROLS showed an amber indication)?

Answer 4

You must visually check the sight gauge to determine if the oil is below the no dispatch level.

Question 5

What type of oil is approved for use in our powerplants?

Answer 5

Oils conforming to EMS-53110 Type 2 turbine oil (Flexjet recommends Eastman/Exxon/BP 2380)

Question 6

What are the minimum oil temperature limits for operating?

Answer 6

-40* C for engine start

5* C for idle power

15* C for takeoff (as long as Cold Wx operation procedures are followed)

above 27* C = GREEN indication

Question 7

You see an Amber Check Oil on the ROLS. What should be done prior to dispatch?

Answer 7

• You must visually check the sight gauge to determine if the oil is below the no dispatch level.