This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
playground:sputter [2017/03/20 09:51] jacobs |
playground:sputter [2021/03/22 10:17] carter |
||
---|---|---|---|
Line 17: | Line 17: | ||
- Ensure that desired beam target is loaded. | - Ensure that desired beam target is loaded. | ||
- | - Set buncher tubes to correct configuration for desired beam species. | + | - Set buncher tube selector switch to correct configuration for desired beam species. Only rotate the switch clockwise. This switch is a large high voltage rotary switch and the proper position aligns the position number in the center of the arrow marker The position between numbers fells like a detent but is actually the switch wiper falling between the contacts. Do not have the switch in an apparent detent position. Move the switch to the middle of the friction range with the number properly aligned with the arrow marker. |
- Check vacuum on LE extension, temperature gauge on cryopump should be at minimum value. | - Check vacuum on LE extension, temperature gauge on cryopump should be at minimum value. | ||
- Open source gate valve by pressing either button on gate valve control at source gate. | - Open source gate valve by pressing either button on gate valve control at source gate. | ||
- | - Set cesium reservoir controller temperature set point (green numbers): 123C for ones of uAs, 130C for tens of uAs. | + | - Set cesium reservoir controller temperature set point (green numbers): 117C for ones of uAs, 120C for tens of uAs. |
- Remove grounding hook from power supply platform and hang on gate before closing. | - Remove grounding hook from power supply platform and hang on gate before closing. | ||
- Close both gates to source area. Orange lights on Glassman supplies should come on at gate closing. (If not, check other gate on the other side of the accelerator; both must be secured.) | - Close both gates to source area. Orange lights on Glassman supplies should come on at gate closing. (If not, check other gate on the other side of the accelerator; both must be secured.) |