* [./manual-filling-LN2 Instructions to fill with LN2 the CCD's dewar]  (**in progress**)



   * Pumping Procedure quick guide
This is a quick guide to not forget the main steps.

It does not substitute the training with Werner Laun nor the instructions you can find in the previous link.

There is copy of this sheet hanging on the vacuum set. 

[[Image(70cmTeleskop-Pumping-procedure-1.png, middle, width=900,margin-right=30)]]