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installation_fp_sci [2017/06/13 12:07] pereira [Pumping focal-plane chamber] |
installation_fp_sci [2017/06/13 12:10] pereira old revision restored (2017/06/13 12:06) |
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==== Pumping focal-plane chamber ==== | ==== Pumping focal-plane chamber ==== | ||
- | * In order to pumpdown the chamber, make sure that the manual vent valve is closed and the pressure-relief valve is properly | + | |
- | * Start manual pump to get a pressure below 50 mtorr | + | |
* Close the manual pump; open PanelMate **S800vac** and go to page 07. Select window **PUMPDOWN STATUS** and click on button **START PUMPDOWN**. The **PUMPDOWN STATUS** and **VENT STATUS** windows should display " | * Close the manual pump; open PanelMate **S800vac** and go to page 07. Select window **PUMPDOWN STATUS** and click on button **START PUMPDOWN**. The **PUMPDOWN STATUS** and **VENT STATUS** windows should display " | ||
* Wait for some hours until vacuum is good | * Wait for some hours until vacuum is good |