Prevent wear and contamination that hurt performance.
For oil sampling, trend analysis - using historical results as the basis for normal results - provides the best indication of health. Any deviation from the trend may indicate a problem. Establishing a trend requires repeated (three to five) sample results from the same compartment. Oil and equipment hours must be accurate. That’s why it’s so important to fill out your sample label correctly.
|Elevated test results||Possible sources|
|Iron, chrome||Cylinder liners, piston rings|
|Iron, chrome, aluminum||Cylinder liners, piston rings, aluminum piston skirt|
|Lead, aluminum, iron||Lower rod and main bearings, crankshaft|
|Sodium, potassium, copper||Coolant contamination|
|Silicon greater than aluminum, iron, lead||Dirt, cylinder liners, piston rings, bearing overlay|
|Soot, iron, lead, chrome||Soot wear on cylinder liners, piston rings, bearings|
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