Posted October 7, 20204 yr Hi Guys, I need a Dewar repairing guide . Attaching pics of the vacuum port. When I removed the vacuum port ,it sucked on the air hard for 2 seconds. So what I am thinking that there must be another reason for it to go bad. At the same time, I am unable to see any cracks on the surface. Nevertheless I want to re-vacuum and see the performance. Any input would be of great help. Thank You
October 7, 20204 yr Author Thanks for reply. I have seen that thread already but need a more comprehensive information on that.
October 7, 20204 yr 56 minutes ago, snehal50samarpit said: Thanks for reply. I have seen that thread already but need a more comprehensive information on that. Edited October 7, 20204 yr by Luumi
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