Powerplant · Lesson 34 of 40
Engine Lubrication Systems
What engine oil does, how piston and turbine oils are graded and chosen, how wet-sump and dry-sump systems and their components work, and how chip detectors, filter checks and oil analysis find trouble, including the causes of excessive oil consumption.
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Part of A&P Complete
This lesson is in the full course
- Explain the functions of engine oil and the properties used to grade it, including viscosity and viscosity index
- Distinguish straight mineral, ashless dispersant and synthetic turbine oils and when each is used
- Trace oil flow through wet-sump and dry-sump systems and describe each main component
- Describe chip detector, filter and spectrometric oil analysis checks and what their findings mean
- Identify the causes of excessive oil consumption and the servicing practices that prevent oil problems