I acquired this decommissioned turbomolecular pump. It's a Turbovac50, the same model currently in use on my vacuum chamber. As it turned out, the pump was contaminated with oil. This video is meant to provide a glimpse into this pump. Unfortunately, the cleaning was not entirely successful. The smell of oil is still noticeable. So, I'll have to disassemble the pump again to thoroughly clean the rotor and ball bearings as well.

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