Helium Liquefier (QT) System
| Task# | Task | Frequency | Comments |
|---|---|---|---|
| 1 | Check the gHe bottles' level on west-wall of the cryoplatform | Monday/Wednesday/Friday | Replace if the level is low |
| 2 | Check the number of LN2 portable dewars outside the loading dock | Everyday | Inform Kun to order LN2 portable dewars if the number of dewars is less than 2 |
| 2 | Record the number of gHe and gN2 bottles at the outside rack | Monday/Wednesday/Friday | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1831993347 Inform Kun to order gas bottles (gHe and gN2) if the counts are less than 2 |
| 3 | Check gHe pressure and LN2 pressure of the outside tanks | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1940801906 |
| 4 | Check QT HR3 gauges | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1940801906 |
| 5 | Check QT liquid (Dewar/purifier) levels | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=1727227200 |
| 6 | Check LCW main inlet, an outlet to NM4 | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=558588447 |
| 7 | Monitoring QT compressor LCW temperatures | Every morning, evening | (setting up this is still in progress) Alarm conditions: T_inlet > 95F or T_out > 115F |
| 8 | Filling LN2 to the QT purifier using portable Dewar | Monday, Wednesday, Friday | Mark the date, time, and levels before and after filling Procedure: Filling LN2 on Purifier Dewar ** Need to be qualified with large portable liquified gas dewar handling training (FN000475 / OJ) ** |
| 9 | Filling gHe outside tanks using tube-trailer | One every 3 months | Instructions will be added soon |
Roots Pumps system
| Task# | Task | Frequency | Comments |
|---|---|---|---|
| 1 | Check oil levels of all 4 pumps | Once everyday | Required levels:
|
| 2 | Check LCW inlet, and outlet parameters to the ROOTS | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=0 |
| 3 | Check ROOTS pumps pressure and temperature using HMI | Every morning, evening | https://docs.google.com/spreadsheets/d/1EDTHSeUDGJ9b6beYizHEAJ8-Z1rAiQbZMgKhmloPLw8/edit#gid=761047776 |
UVA-NMR system
| Task# | Task | Frequency | Comments |
|---|---|---|---|
| 1 | Check Lambda/2 cable connectivity | Once a week | If a cable has a problem, then mark it with a label |
| 2 | |||