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Need guide how to repair Ln2 dewar


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  • 1 year later...
that's the guide i used to redo the vacuum on my old dewar, only difference is the original vacuum was held by a ball Bering and some


to remove it i used heat and a little force.


good luck


could you share some tips. I have the same ball bearing type but cant get it out. I used a heat gun and flat heat screw driver so far but had no luck.

Edited by lilchronic
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