This shows you the differences between two versions of the page.
Next revision | Previous revision Next revision Both sides next revision | ||
venting_pumping_object_box [2018/04/25 17:21] pereira created |
venting_pumping_object_box [2018/04/25 17:42] pereira [Vent Object chamber] |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== Venting/ | ====== Venting/ | ||
+ | |||
+ | ===== Vent Object chamber ===== | ||
+ | Requirements: | ||
+ | |||
+ | * Open **S800Vac** and go to page 01 (" | ||
+ | * Verify that OBJ SCI is not biased: | ||
+ | * Check that the detectors is unbiased in the HV module sitting in dU6 | ||
+ | * Notify the system of the bias-off state by selecting the " | ||
+ | * Isolate chamber by closing gate valves **I177GV** and **I190GV** | ||
+ | * [[Vacuum control|Turn off]] ion gauge **I188IG** | ||
+ | * Check box " | ||
+ | {{: | ||
+ | * In order to begin venting process, select box "VENT STATUS" | ||
+ | * Box "VENT STATUS" | ||
+ | * Turbo gate valve **I188GV** will be automatically closed | ||
+ | * Vent valve **I190VV** will be automatically opened. However, the pressure in the chamber (ass seen in **I191PG** will not change because we need to open the manual venting valve | ||
+ | * Go to the S800 OBJ station and slowly open the manual valve {{: | ||
+ | * When **I191PG** reads atmospheric pressure select the box "VENT STATUS" | ||
+ | * The status in the box "VENT STATUS" | ||
+ | * Close the manual valve | ||
+ | * You can now open the chamber | ||
+ | |||
+ |