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Message ID: 256     Entry time: Wednesday, February 05, 2020, 14:53
Author: Isaac Earle 
Category: Maintenance 
Type: Target 1 
Specific: Cooling 
Subject: T1 & T2 cooling package MRO work completed 

 Annual MRO work on the T1 and T2 cooling packages is now complete.  The following tasks were performed:

  • Water from both packages drained to the South TNF holding tank (samples taken)
  • All Proteus paddle wheels, shafts, and o-rings replaced (5 each at T1 and T2)
  • All Cuno filters changed
  • Archived data for all sensor readbacks inspected.  Only faulty sensor was B1A:T1CS:FGDEM
  • Both packages refilled and restarted; Operating smoothly; Inspected for leaks, none found; Demin flow at ~1.0gpm
  • B1A:T1CS:FGDEM readback is fixed with new paddle wheel
  • South TNF holding tank water released after approval from RPG
  • Old filters added to plastic pail with other T1/T2 filters located directly north of the BL1A blocks boot-box area
  • Active water from filter canisters dumped into the RH lab active sink
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