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installation_fp_sci [2019/07/01 09:04]
pereira [Vent focal-plane chamber]
installation_fp_sci [2019/07/01 09:05]
pereira [Vent focal-plane chamber]
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 {{:wiki:NewPanelMate-S800FPVac.jpg?950|Panel Mate Vacuum FP chamber}} {{:wiki:NewPanelMate-S800FPVac.jpg?950|Panel Mate Vacuum FP chamber}}
   * Close I265GV (gate valve separating FP box from rest of beam line) is closed.   * Close I265GV (gate valve separating FP box from rest of beam line) is closed.
-  * Click on the **VENT STATUS** window and begin the venting procedure. The **VENT VALVE I260VV** window will turn red and display "OPEN". The pressure should remain constant because the manual venting valve is still closed. The turbo GV I260GV will be closed, isolating the turbo pump from the focal-plane chamber.+  * Click on the **VENT STATUS** window and begin the venting procedure. The **VENT VALVE I260VV** window will turn red and display "OPEN". The pressure should remain constant because the manual venting valve is still closed. The turbo GV **I260GV** will be closed, isolating the turbo pump from the focal-plane chamber.
   * Gently open the manual venting valve until the pressure displayed in the Pirani Gauge (see figure below) increases by ~1 torr every 15 seconds (see figures below)    * Gently open the manual venting valve until the pressure displayed in the Pirani Gauge (see figure below) increases by ~1 torr every 15 seconds (see figures below) 
 {{:wiki:fp-pirani.jpg?350|FP chamber manual venting valve}}  {{:wiki:fp-pirani.jpg?350|FP chamber manual venting valve}} 
installation_fp_sci.txt ยท Last modified: 2023/08/18 10:19 by noji