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--- venting_pumping_object_box [2024/02/06 09:35]
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+++ venting_pumping_object_box [2024/02/06 09:37]
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-The vent valve should also be closed when you begin. Before you start venting, make sure of the following:
+The vent valve and the roughing valve RV should be closed when you begin.
-  * The beamline gate valves D2341 BGV and D2303 BGV are closed
-  * The IG is off
-  * The roughing valve RV is closed.
-  * The turbo pump gate valve TVG is closed. If the chamber will be vented for a long time, the turbo pump should be switched off .
 The venting procedure is as follows:
+  - Notify the Control Room and inform them that they can disregard the EXP alarm that will occur
+  - Close the beamline gate valves D2341 BGV and D2303 BGV
+  - Turn off the IG
+  - Close the turbo pump gate valve TVG. If the chamber will be vented for a long time, the turbo pump should be switched off
   - Monitor the pressure RBT_BTS31:BPG_D2337:VP_RD in a data browser
   - Open the vent valve

S800 Documentation