Differences

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--- gas_handling_system [2017/05/14 10:05]
pereira [Filling CRDC1 and CRDC2 with Gas]
+++ gas_handling_system [2017/06/07 13:15]
pereira
@@ Line 50: / Line 50: @@
            * The display unit for the pressure at the pump has a needle indicator and is mounted under the [[Stations#Focal Plane Station|focal plane]] on the south support post
       * Ensure that the main valves on the gas bottles are open (see pictures below)
+      * Open valves downstream of regulators in each bottle
       * Ensure that the gas bottles are not empty
            * The gas regulators are not normally adjusted. They should all be set to provide a pressure around 20 psi
@@ Line 158: / Line 159: @@
   * Open **valves 6 and 22**
-  * Enter S3 vault and close main valves on [[#Preparation of gas bottles|gas bottles]]: P-10 for the [[Detectors#Ionization Chamber|ionization chamber]] (C<sub>4</sub>H<sub>10</sub>) and CF<sub>4</sub> (tetrafluoromethane) for the [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDCs]]
+  * Enter S3 vault and close valves downstream of regulators in [[#Preparation of gas bottles|gas bottles]]: P-10 for the [[Detectors#Ionization Chamber|ionization chamber]] (C<sub>4</sub>H<sub>10</sub>) and CF<sub>4</sub> (tetrafluoromethane) for the [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDCs]]
 ===== Tracking Gas bottles pressures =====

S800 Documentation