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gas_handling_system [2018/04/09 12:35]
pereira [Removing Gas from Focal Plane Detectors]
gas_handling_system [2018/04/11 16:13] (current)
pereira [Removing Gas from Focal Plane Detectors]
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       * Ensure **I265GV** is closed (in PanelMate **S800vac.ui page 07**) to isolate focal plane vacuum chamber from the rest of the beamline       * Ensure **I265GV** is closed (in PanelMate **S800vac.ui page 07**) to isolate focal plane vacuum chamber from the rest of the beamline
       * Confirm that the focal plane chamber is under vacuum       * Confirm that the focal plane chamber is under vacuum
-      * Confirm that the only open gas handling system valves are **4, 5, 6, 20, 21, and 22**+      * Confirm that the only open gas handling system valves are **4, 5, 6, 7, 20, 21, 22 and 23**
       * (Check section on [[vacuum control|vacuum control]] for further details.)       * (Check section on [[vacuum control|vacuum control]] for further details.)
  
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           * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system           * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system
  
-  * Close **valve 6**+  * Close **valves ​6** and **7**
  
   * Open **valve 2**; the flow reading at MFC #1 should jump momentarily   * Open **valve 2**; the flow reading at MFC #1 should jump momentarily
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           * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system           * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system
  
-  * Close **valve 22**+  * Close **valves ​22** and **23**
    
   * Open **valves 10 and 15**   * Open **valves 10 and 15**
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   * Close **valves 8 and 24**   * Close **valves 8 and 24**
  
-  * Open **valves 6 and 22**+  * Open **valves 6, 7, 22 and 23**
  
   * Enter S3 vault and close valves downstream of regulators in [[#​Preparation of gas bottles|gas bottles]]: P-10 and CF<​sub>​4</​sub>​ (tetrafluoromethane). Close the main valve for the C<​sub>​4</​sub>​H<​sub>​10</​sub>​ bottle.   * Enter S3 vault and close valves downstream of regulators in [[#​Preparation of gas bottles|gas bottles]]: P-10 and CF<​sub>​4</​sub>​ (tetrafluoromethane). Close the main valve for the C<​sub>​4</​sub>​H<​sub>​10</​sub>​ bottle.
gas_handling_system.1523291740.txt.gz ยท Last modified: 2018/04/09 12:35 by pereira