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New entries since:Wed Dec 31 16:00:00 1969
  ID Date Authordown Category Type Module Target/Number Subject Text Attachments
  1881   Tuesday, March 05, 2019, 07:20 David WangConditioning StationRepairTM2 TM2 HV test at TCSSpark between HV cover vertical mesh plate
and HS 60KV  bias connecting clamp 90degree
angle at 55 KV on TM2 top. HV cover is removed
  
  1884   Thursday, March 07, 2019, 09:12 David WangConditioning StationStandard OperationTM2 TM2 move from TCS to SHC.TM2 has been moved from TCS to SHC. The
move is smooth. 
  
  1893   Monday, March 18, 2019, 07:23 David WangConditioning StationRepairTM2 TM2 window line helium testNew seals with a blank off cap are installed
on TM2 window line water block.  
The seals are checked at TCS with 70 psi
  
  1894   Monday, March 18, 2019, 07:25 David WangConditioning StationMaintenanceTM3 TCS vacuum pumps have been stopped. The TCS will be vented soon for TM2
move.
  
  1901   Thursday, March 28, 2019, 10:27 David WangConditioning StationRepairTM2dummy febiad test targetTM2 new source tray helium pressure test at TCS.Helium pressure test on TM2 all water circuits
is done. 70 psi helium , 10 minutes test
time. Leak detector :base leak rate 0.0XE-9
  
  1920   Monday, May 13, 2019, 11:22 David WangITWRepair  ITW entrance module has been connnected.Entrance module has been connected back
to ITW. Everything is normal.
  
  1927   Wednesday, May 22, 2019, 11:50 David WangITEStandard OperationTM4 TM2 has been connected in ITE.TM2 has been connected in ITE. high active
water system and vacuum pumps are started.
The pumping down on TM2 and ITE is good 
 Ta58#TM2ITE_2019_June_._Conenction_checklist.pdf 
  1928   Wednesday, May 22, 2019, 11:52 David WangConditioning StationMaintenanceTM1 TM1 inpsection.TM1 shielding plates and their holding
bolts are inspected. No corrosion. 
TM1 is located at TCS now. Both TP1 and TP2
  
  1932   Tuesday, June 04, 2019, 08:46 David WangITEStandard OperationTM2 ITE water signal interlock check.ITE water signal interlock check is done.
Everything is good. Coil 2   circuit
no longer used in ITE . PQRU are looped as
  
  1935   Friday, June 07, 2019, 13:11 David WangConditioning StationDevelopmentTM4 TCS and TM4. TM4 has been connected at TCS for HV test.
TCS water system and vacuum pumps are switched
on. 
  
  1942   Thursday, June 13, 2019, 10:55 David WangConditioning StationRepairTM4 TM4 HV test at TCS without source tray.I brought up TCS bias to 57.5 KV on TM4
without source tray at TCS. It was kept at
this level about 1.0 hours. Some intermediate
  
  1943   Friday, June 14, 2019, 08:15 David WangITEStandard OperationTM2 5 shielding blocks are moved to ITE. ITE is configured to take proton beam.   
  1945   Friday, June 21, 2019, 07:16 David WangSouth Hot-CellDevelopmentTM4 TM4 new source tray leak check at SHC.New source tray was installed on TM4 yesterday.
LD was used to pump down all water lines.
Tube heater +D circuit has a big leak 
  
  1950   Monday, July 15, 2019, 13:29 David WangConditioning StationDevelopmentTM4 Vacuum surge when TM4 B line iwas supplied with water.Yesterday, TM4 B line was supplied with
water at TCS for testing.  TCS: IG1
and IG2 had big response on it. See attachment.
 vacuum_surge_on_B_line_with_water.png 
  1953   Friday, July 26, 2019, 11:28 David WangSouth Hot-CellStandard OperationTM4 TM4 move from SHC to TCS.Tm4 has been moved from SHc to TCS without
containment box. It is a new source tray
on TM4.  A layer of plastic sheet was
  
  1954   Friday, July 26, 2019, 11:41 David WangSouth Hot-CellStandard OperationTM4 TM4 with spare target electrical check and leak check.Electrical check on TM4 with spare test
target. PQ is still shorted to RU. But, The
short between 60KV bias and PQRU which we
  
  1961   Wednesday, August 14, 2019, 08:55 David WangITEStandard OperationTM2 TM2 has been disconnected in ITE.TM2 has been disconnected in ITE. The bias
jumper between U and T was burned out during
the last beam time. 
  
  1965   Friday, August 16, 2019, 08:46 David WangITEStandard OperationTM4ZrC #8.TM2 has been connected in ITE.TM2 has been connected in ITE. turbo pumps
have been started. ITE  and TM2 vacuum
are good.
  
  1966   Friday, August 16, 2019, 08:51 David WangConditioning StationRepairTM4 TM4 waterlines helium pressure test at TCS.LD base leak rate, 0.0Xe-9atm.cc/sec. Helium
pressure, 70psi. 5 minutes each circuit.
No response on all water line except containment
  
  1967   Friday, August 16, 2019, 08:52 David WangConditioning StationStandard OperationTM4 TM4 is moved from TCS to SW silo.TM4 is moved from TCS to SW silo this morning.
The move is good. 
  
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