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With Correctly Located Sample Points
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| Real estate agents are often fond of telling us that the three most important considerations in selecting a property are location, location, and location. The same factors hold true for oil sampling. In circulating oil systems, the best location is a live zone of the system upstream of filters where particles from ingression and wear debris are the most concentrated. Usually this means sampling on fluid return or drain lines. In some cases where oil drains back to sumps without being directed through a line (e.g., diesel engine), the pressure line downstream of the pump (before the filter) must be used. Always avoid sampling from dead zones such as static tanks and reservoirs. Splash, slinger ring, and flood lubricated components are best sampled from drain plugs after considerable flushing or preferably, using a portable circulating off-line sampler. | ||||||||||||||||||
| Where to sample compressors. (42K) | ||||||||||||||||||
| Where to sample diesel engines. (48K) | ||||||||||||||||||
| Where to sample gearboxes. (38K) | ||||||||||||||||||
| Where to sample hydraulic systems. (34K) | ||||||||||||||||||
| Where to sample steam turbines. (57K) | ||||||||||||||||||
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