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2018 Shutdown » History » Version 8

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Stephen Hahn, 09/04/2018 10:21 AM


2018 Shutdown

Near Detector

  • Replace all rack rear filters; find new filters for LeCroy HV crates (in progress)
  • Clean HV cards and backplane in rear of LeCroy HV crates (to do)
    1. Also, test spares for correct operation (to do)
  • Magnet/Magnet Power Supply/LCW skid work: (After long discussion with Dave Pushka, decided doing nothing was less risk than taking following actions, if MINERvA only runs to 2019)
    1. Annual maintenance and repair; practice reversing polarity and improve HA (Walt Jaskierney)
    2. Drain and replace all water with distilled water
    3. While water is drained, replace flowmeter with flowmeter with stopcock
    4. While water is drained, replace filters (5) in large filter cylinder
    5. While water is drained, replace hand valve for DI bottle flow with one with finer control?
  • Replace RPS unit for rack FEV5 and FEU9. Set jumpers correctly for FEU11. (in progress)
  • Clean and improve MINOS DAQ rack A/C (to do)
  • Add new VMware Windows XP instance for video server readout of MINERvA cameras (to do)
  • Update the two MINOS Desktop computers to SLF 6.8 and put them on SLAM infrastructure (to do, talk to Bill Badgett)