| At line 39 added 1 line. |
| + |
| Line 72 was replaced by lines 73-84 |
| - |
| + !Returning Liquid Helium Dewars |
| + please return dewars to the dewar station as soon as possible after the transfer |
| + *connect the dewar to the rubber hose of the dewar station |
| + *open the manual valve to the recovery |
| + *open the manual pressure release that is connected to the recovery on the dewar |
| + *check the other manual pressure release. it MUST be closed |
| + *retighten the locking nut of the Helium extraction port |
| + *connect the level probe |
| + |
| + IMPORTANT: |
| + recheck that all valves are in the right state and the level is reading before you leave |
| + [afterfill.png] |
| At line 73 added 1 line. |
| + In case you are unsure about certain procedures, please contact sample environment staff |
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