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| Purpose | Instructions/Links |
|---|---|
| System Startup Procedure | |
| Cooldown | |
| For planned power outage | |
| Taking purity measurements at various places in the system |
Troubleshoots
| Issue | Reason | What to do? |
|---|---|---|
| If the Dewar level indicators have large fluctuations | Level sensor tubes are contaminated | Fixing dewar level indicator FNAL Approved procedure: https://seaquest-docdb.fnal.gov/cgi-bin/sso/ShowDocument?docid=10401 |
| Coldheads blocking alarm | Possible contamination or cold heads have been running so long without any intake gHe for a while | |