If you notice something to be reported immediately, then please email Dustin (dustin@virginia.edu) and call the Target Expert on-call at that moment.
Target Monitoring and Maintenance Guide for Target Expert Shift
see Target Expert (click) page for the detailed information
(weekly basis)
Target Monitoring and Maintenance Guide for Target Helper Shift
Revised (10/16/2022)
Target_Monitoring_and_Maintenance_Guide_10_07_2022.pdf
Target_Monitoring_and_Maintenance_Guide.pdf
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 to the purifier using a portable 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, and also the main LW inlet | 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 | |||