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Service AI specializes in providing accessories and spare parts for laboratory instrumentation in a niche area of the market. Our business strategy focuses on meeting the unique needs and requirements of popular equipment that is widely used but no longer manufactured or supported by its original manufacturers.   With over 25 years of experience in supporting scientists with laboratory instrumentation and spare parts, our knowledgeable and dedicated team takes pride in ensuring that every recertified or new instrument and spare part we supply is fully tested and certified by a manufacturer-trained engineer. We guarantee that our products will work and provide proof of performance documentation when applicable.  

We only supply refurbished laboratory instrumentation that our team of experts are trained and certified to work on, ensuring that we deliver high-quality instruments and reliable service to our customers.

At Service AI, we understand the importance of safe shipping and delivery, and we take utmost care in ensuring that our products are delivered safely to our clients. Additionally, we offer professional installation services upon request.

Procedure to change Vacuum Pump Oil used in Beckman Optima ultracentrifuges and Avanti J30I centrifuges

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Procedure to change Vacuum Pump Oil used in Beckman Optima ultracentrifuges and Avanti J30I centrifuges

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  • Prior to draining the oil, it is always best to operate the vacuum pump until it is at its normal operating temperature of approximately 65ºC.

  •  Always take a test run in the ultracentrifuge with the vacuum pump running to warm up the existing oil. When the pump oil is warm it is less viscous and contaminants will mix with the oil.

  •  Stop the test run. Release vacuum by depressing the "VACUUM" key on the ultracentrifuge keypad, which will stop the vacuum pump and release the vacuum. Turn off power to the instrument and unplug the instrument power cable from the AC Mains.

  •  Disconnect the vacuum pump power cord. Disconnect the vacuum hose from the inlet port. Remove the vacuum pump from the centrifuge. Place the vacuum pump on the flat surface to perform the work.

  •  Remove the exhaust filter. Locate the vacuum pump drain plug. Place the waste oil container under the drain plug. Remove the drain plug. Drain the oil. Always consider and treat the waste oil as hazardous. Hand over the waste oil container to the laboratory safety official at the site for disposal.

  •  Replace the drain plug.

  •  Remove the oil fill plug (normally on top of the pump housing) Add vacuum pump oil until the correct level is reached in the sight-glass. Replace the oil fill plug.

  •  Replace the exhaust filter. It is good practice to always install a new exhaust filter after oil replacement as a part of the preventive maintenance procedure.

  •  Replace the vacuum pump into the centrifuge. Inspect the vacuum pump hose carefully before reconnecting it to the vacuum pump. Replace hose if you observe faults or fine cracks in it.

  •  Reconnect the power cord. Make a test run to verify proper operation of the vacuum pump and centrifuge.

 Important tips:

  •  Do not mix hydrocarbon based oils with synthetic oil in vacuum pumps.

  •  Use only “Beckman” Direct Drive Vacuum Pump Oil (Beckman PN. 341661 and Beckman PN. 392760) or oil that is recommended by vacuum pump manufacturer.

categories Centrifuges
tags Direct Drive Vacuum Pump Oil, Beckman PN. 392760, Beckman Optima ultracentrifuge, Avanti J30 centrifuge, vacuum pump oil, How to change vacuum pump oil, PN. 392760, PN. 341661, Beckman Coulter Optima, Avanti J30I, Avanti J30, Beckman L80K, Beckman TLX
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