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venting_pumping_object_box [2023/06/01 13:42] swartzj |
venting_pumping_object_box [2023/06/01 13:43] swartzj |
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* Before you start, make sure that the gate valves named D2341 BGV and D2303 BGV are closed and that the IG is off. | * Before you start, make sure that the gate valves named D2341 BGV and D2303 BGV are closed and that the IG is off. | ||
* The vent valve should also be closed when you begin. | * The vent valve should also be closed when you begin. | ||
- | * The valve to the turbo pump TVG should be closed. Valve FV should also be closed and the turbo pump should be switched off if the chamber will be vented for a long time. | + | * The valve to the turbo pump TVG should be closed. |
The procedure is then as follows: | The procedure is then as follows: |