Turbocharger Emergencies

Question 1

What are the 4 reasons for Unexplained Loss of Manifold Pressure? (4)
(POH 3-27)

Answer 1

1. Induction System Coupling Leak (or a loose/failed induction coupling hose)
2. Exhaust System Leak
3. Wastegate Actuator (Slope Controller) Loss of oil pressure (due to loss of Engine Oil Pressure)
4. Internal Turbocharger component Failure

Question 2

What are the 3 broad categories pertaining to Engine Abnormal Situations?

Answer 2

1. Induction
2. Ignition
3. Overheat and Over-Temp.

Question 3

Anytime you have an Unexpected Loss of Manifold Pressure in the 22T, what is issue poses the most time critical threat?

Answer 3

EXHAUST System Leak

-

Question 4

When you have an Unexpected Loss of Manifold Pressure in the 22T, which issue poses the most time critical threat?

Answer 4

EXHAUST System Leak
- Risk of FIRE due to engine components exposure to High Temp Exhaust Air.

Loss of Engine Oil Pressure
- Engine will fail.

Question 5

On Preflight of a 22T what are you looking for with the Exhaust Pipes?

Answer 5

Sturdy and stable without much give.