Fine metallic particles, which may originate from wear or failure of the lube oil service pump internal parts, are prevented from contaminating the bearings served by the lube oil system by __________.
• purpose and location of magnetic strainers in a lube oil system • difference between continuous protection in the system vs. periodic maintenance/cleaning of oil • how fine metallic particles behave in flowing oil (will they settle or keep moving?)
• In normal engine operation, when metallic wear particles are produced, do they appear suddenly in large amounts or gradually over time? How should the protection method match that behavior? • Think about oil flow speed in service piping, coolers, and tanks: where is the flow fast enough that particles stay in suspension, and where might they realistically settle out? • Which option would protect the bearings all the time while the engine is running, rather than only at certain intervals or under special conditions?
• Identify which options describe continuous, in-line devices versus batch or offline treatment methods. • Ask yourself: can gravity settling alone reliably remove very fine, light metallic particles from moving oil? • Verify which component is specifically designed to capture metallic particles (not just any solids) as the oil flows toward the bearings.
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