Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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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
  2178   Monday, January 18, 2021, 12:29 David WangITWStandard OperationTM2Nb#9ITW vacuum and TM2 water lines leak check .ITW primary and secondary vacuum vessel
leak check are done. There is a 5XE-8 atm.cc/sec
leak on Exit service cap NW side square panel. 
  
  2180   Friday, January 22, 2021, 12:34 David WangITEStandard Operation  ITE HV test.ITE annual HV test is done. No module in
station. The bias power supply has been ramped
up to 49KV on control page. We still have
  
  2181   Monday, January 25, 2021, 10:57 David WangSouth Hot-CellRepairTM4 TM4 steers short investigation.Cables were disconnected for steers in
containment box. The Megga measurement (500V)
result from the top of the module: 
  
  2182   Monday, January 25, 2021, 12:33 David WangITWStandard Operation  ITW bias HV testRamp up ITW bias to 57KV. no spark. 200uA
leaking current at 57KV. The test is done
without target module in station.  
  
  2183   Wednesday, January 27, 2021, 14:30 David WangCoolingDevelopment  High active water system purgingHigh active water are purged to holding
tank at B2  level. There should be around
48 gallons are purged out of system. No purging
  
  2184   Wednesday, February 03, 2021, 09:14 David WangConditioning StationStandard OperationTM4 TM4 from TCS to SW silo.TM4 is moved from TCS to SW silo. The moving
is smooth.
 
  
  2185   Wednesday, February 10, 2021, 11:34 David WangAssembly/Bench TestStandard Operation  Old resin can and 2A window RH clamp field measurement at silo. Old resin can:  0.5 meter 360 degree
rotation above silo area, 350u sv/hr.  
On contact  3.0 to 3.5 msv/hr. 
  
  2186   Wednesday, February 10, 2021, 13:30 David WangSafe Module ParkingStandard Operation  TM2 and TM4 electrical check without targets. TM2 at SMP under vacuum. TM4 at silo. 
Frank and I did the tests. Everything is
fine on TM4 check.  On TM2,  all
 TM2_and_TM4_electrical_check_without_target.pdf 
  2187   Friday, February 12, 2021, 07:07 David WangITEMaintenance  ITW and ITE clean up.Vacuum cleaned ITW and ITE station. 
  
  2189   Thursday, February 18, 2021, 12:33 David WangITERepair  ITE:TP1SITE TP1S new pump is installed today. Reset
pump life time on controller to 0 hr. 
  
  2190   Thursday, February 18, 2021, 12:59 David WangAssembly/Bench TestMaintenance  TM3 source tray and old resin can storage in lower cyclotron basementTM3 old source tray, old target hall high
active water resin tank, and  old 2A
window RH clamp are transferred from TH to
  
  2191   Tuesday, February 23, 2021, 09:00 David WangAssembly/Bench TestMaintenance   target staion vacuum pumps inspection.Edi and I inspected roughing pump ITM MP1,
primary backup pump ITHMP1, and secondary
backup pump ITHMP2. We checked oil level
  
  2193   Tuesday, March 02, 2021, 08:12 David WangConditioning StationStandard Operation   TCS leak check. TCS leak check: TCS IG1S1.6 XE- 6 torr.
LD  0.0XE-9atm.cc/sec.We used a long
pole to spray helium to TCS vacuum seals
  
  2194   Thursday, March 04, 2021, 11:20 David WangITWMaintenance  ITW water flow wheels and coils replacement.ITW water flow wheels and coils are replaced.
Wheels and coils on Oven, Tube, HS, EE, MSP,
Febiad coil, containment box window, dump,dump
  
  2195   Thursday, March 04, 2021, 13:54 David WangConditioning StationStandard OperationTM3 TM3 has been moved to NHC from siloTM3 has been moved from silo to NHC. The
move is successful. NHC ram stand and NHC
protection railings are checked and installed.
  
  2203   Tuesday, March 23, 2021, 09:47 David WangSouth Hot-CellStandard OperationTM3 TM3 has been moved from TCS to SHC.Frank and I removed Tm3 from TCS to SHC.
The move is successful. 
  
  2205   Thursday, March 25, 2021, 10:38 David WangSpent Target VaultStandard Operation C#1Remove pail 237 spent target C#1 from storage vault to mini storage. Pail 237 only has 200u sv/hr field at 0.5
meter. On contact measurement: 0.9 to 1.6
m sv/hr.and less than 80 count contamination
  
  2209   Wednesday, April 21, 2021, 10:32 David WangSouth Hot-CellStandard OperationTM3 Remotely remove TM3 from SHC to siloOn 2021-04-19, Frank and I remotely removed
Tm3 from SHC to silo . The moving is successful.
  
  2210   Wednesday, April 21, 2021, 10:34 David WangSouth Hot-CellStandard OperationTM4 Remtely remove TM4 from Silo to SHC. On 2021- 04-20,  Tm4 is removed from
Silo to SHC. The moving is smooth. 
  
  2211   Wednesday, April 21, 2021, 11:18 David WangCoolingMaintenance  Refilling high active wtaer system and starting HA water pumps. High active water system is refilled. Air
are drained out of  system before pump
to be started. Following sequence are used
  
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