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27 Cards in this Set
- Front
- Back
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What is strait mineral oil |
No additives for foaming, cleaning or viscosity |
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What is Ashless oil |
Has additives and used for no ash |
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What is synthetic oil |
Man made via chemistry |
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Multiviscosity oil |
Like 5w-30 viscosity will change with temps |
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Purpose of oil in recip. |
Cleans, cool, lubes, seals, cushions |
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Important part of oil |
Viscosity |
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How determine oil grade |
Operating load, speeds, temp |
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Oil flow control valve |
Direct around cooler when cold |
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Oil contaiments |
Gas, moisture, acid, dirt, carbon, metal particle |
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Where take oil temp |
Before hot part of engine |
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What metal in oil means |
Potential Engine failure |
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What causes foaming |
Diluted oil, contaminated, too high level |
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How know blocked oil passage |
High temps |
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How know if not enough oil |
High temps and low pressure |
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Oil type for turbine |
Synthetic |
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2 types of oil coolers for turbine |
Air and fuel cooled |
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What is flash and fire point |
When vapors are released, when actual fire can be supported |
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Weight of engine oil |
7.5 lbs per gallon |
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Why oil duliltion system |
Easy start in cold |
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Purpose of oil |
Reduce friction |
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What is S.O.A.P. |
measure oil trends, use multiple samples |
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Where use carbon seals |
Gearboxes, shaft seals |
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Key purpose of lube in turbine |
Main shaft bearing |
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Where are oil filters |
Between oil pump and bearings |
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Why recip. Only high viscosity index |
Small change over wide temps |
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Recip high viscosity |
Large clearances |
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Impact viscosity |
Temp and pressure |
