This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | Next revision Both sides next revision | ||
venting_pumping_intermediate_image_box [2018/12/19 11:10] pereira [Filling Intermediate-image delay PPAC] |
venting_pumping_intermediate_image_box [2018/12/19 11:22] pereira [Filling Intermediate-image delay PPAC] |
||
---|---|---|---|
Line 76: | Line 76: | ||
Requirements: | Requirements: | ||
+ | * Verify that PPACs are not biased: | ||
+ | * Check that the detectors are unbiased by opening the [[HV bias|HV GUI]] | ||
+ | * Notify the system of the bias-off state by selecting the " | ||
* Verify that PPACs are in automatic mode with gas removed (**S3_Gas_Handling**) | * Verify that PPACs are in automatic mode with gas removed (**S3_Gas_Handling**) | ||
* The "GH System Status box should read "Auto Mode Gas Removed" | * The "GH System Status box should read "Auto Mode Gas Removed" | ||
- | * If gas is removed but the system is not in the automatic mode, consult the Beam Physicists or Device | + | * If gas is removed but the system is not in the automatic mode, consult the Beam Physicists or Device |
+ | * Confirm that PanelMate box " | ||
+ | * PanelMate box "Gas Flow Control" | ||
+ | * | ||
+ | * | ||
+ | * Open **S800Vac** and go to page 03 (" | ||
+ | * Isolate chamber by closing gate valves **I212GV** and **I215GV** | ||
+ | * [[Vacuum control|Turn off]] ion gauge **I213IG** | ||
+ | * Check box " |