Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  RH-ISAC, Page 95 of 138  Not logged in ELOG logo
  ID Date Authordown Category Type Module Target/Number Subject Text Attachments
  1815   Thursday, November 01, 2018, 11:42 David WangConditioning StationStandard OperationTM2UCx 25.TM2 HS line helium pressure test at TCS and helium spray at SHC..Chad and I did  leak check on TM2
HS line at SHC yesterday. Base LR 0.0XE-9
atm.cc/sec.   No response on LD.
  
  1829   Wednesday, November 28, 2018, 06:39 David WangConditioning StationStandard Operation  Disconnection checklist LpTa #56TM4 was disconnected in ITE. Checklist
list in attachment.
 LpTa#56_disconnection_checklist.pdf 
  1830   Wednesday, November 28, 2018, 07:04 David WangITEDevelopmentTM4LpTa 56New high current flexible cables inspection after LpTa#56 beam run.Inspected new high current flexible cables
during TM4 disconnection. The new cables
and adapters work fine.
 new_flexibble_cable_in_ITE_after_Ta#56_run_001.JPGnew_flexibble_cable_in_ITE_after_Ta#56_run_004.JPG 
  1833   Thursday, November 29, 2018, 06:38 David WangSouth Hot-CellStandard OperationTM4 Leak check TM4 UCx 26 at SHC.Chad and I did a leak check on TM4 HS line
with UCx 26# installed . Base LR 0.0X E-9
atm.cc/sec. Base pressure 0.0XE-4 torr. 
  
  1836   Tuesday, December 04, 2018, 12:36 David WangITEStandard OperationTM4UCx 26.TM4 has been connected in ITE/ Checklist.TM4 has been connected in ITE. See attachment
for connection checklist
 UCx26_TM4_connection_checklist.pdf 
  1844   Thursday, January 03, 2019, 13:30 David WangITWRepair  ITH:MP1ITH:MP1 inlet pressure showed 10torr after
power outage during holiday. All ITE/W turbo-pumps
were tripped because of it. Removed one shielding
  
  1845   Thursday, January 03, 2019, 13:41 David WangCraneRepair  Target hall crane PLC issue.Target hall crane did not work properly
after power outage during Christmas time.
The only movement could be operated is crane
  
  1846   Friday, January 04, 2019, 08:48 David WangITWStandard OperationTM2 TM2 has been disconnected in ITW.TP1, TP2 are still connected for next week
leak check. All water lines in TM2 are purged
with 80 psi air, each for 5 minutes.
 UCx25_TM2_disconnection_checklist.pdf 
  1848   Tuesday, January 08, 2019, 08:49 David WangITWStandard OperationTM2 TP1 TP1 have been disconnected in ITWStarted argon venting of ITW now.    
  1849   Wednesday, January 09, 2019, 06:26 David WangConditioning StationStandard Operation  TCS vacuum pumps have been stopped.The tCS will be vented soon for TM2 move
later this week.
  
  1852   Wednesday, January 09, 2019, 13:29 David WangITWRepair  ITH:MP1ITH: MP1 has been replaced due to its poor
performance.  Its motor and power cable
are taken out and reused on new pump. Vacuum
  
  1854   Thursday, January 10, 2019, 10:45 David WangConditioning StationStandard OperationTM2 TM2 is under vacum at TCS.TCS: TP1, TP2 and TP1S are started.    
  1856   Friday, January 11, 2019, 13:17 David WangConditioning StationStandard OperationTM2 TCS and TM2 vacuum system are switched off for this Sunday power outage. I will restart all pumps Monday morning.  
  
  1858   Monday, January 14, 2019, 07:07 David WangConditioning StationMaintenanceTM2 Restarted TCS vacuum system .No issue.   
  1861   Tuesday, January 22, 2019, 09:56 David WangITWMaintenanceTM2 ITW water system maintenance.ITW water system maintenance is done. All
working paddle wheels and coils are replaced.
ITW water system polyurethane tubes are replaced
  
  1862   Thursday, January 24, 2019, 10:34 David WangITWMaintenance  Changed 24VDC plugs of TP solenoid valves in ITW3 damaged 24VDC plugs of TP solenoid valves
are replaced. Inspected other plugs. All
of them are in good condition now. 
  
  1863   Monday, January 28, 2019, 10:41 David WangConditioning StationRepairTM2 TM2 water lines helium pressure test at TCSleak detector base LR: 0.0Xe-9atm.cc/sec.
helium 70 psi. test time : 3 minutes for
each circuit.The results in atm.cc/sec are
  
  1866   Thursday, February 14, 2019, 07:13 David WangConditioning StationStandard OperationTM2 TCS vacuum pumps have been stopped.Preparation on TM2 move from TCS to SHC.   
  1868   Friday, February 15, 2019, 12:05 David WangITEMaintenanceTM4 ITE annual vacuum leak check. Helium pressure test on all water lines:
70psi , 3 minutes. HS has a quick response
to 9Xe-9atm.cc/sec for 20 seconds. No response
  
  1869   Friday, February 15, 2019, 12:09 David WangITEMaintenanceTM4 ITE water system maintenance.The ITE water system maintenance job is
done. Changed all paddle wheels and coils
on ITE flow sensors. All using water poly-tubes
  
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