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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ID Date Authordown Category Type Module Target/Number Subject Text Attachments
  1438   Friday, February 10, 2017, 09:56 David WangConditioning StationStandard Operation  water has been refilled to TCS:TK2 TCS:TK2 , Water has been refilled to 28.5"
level. It was 15.1". Fall protection
equipment  are used during the job.
  
  1444   Monday, March 06, 2017, 08:01 David WangCoolingRepair  HALCW resin tank replacement.HALCW resin tank has been replaced. The
old tank is stored in middle-west silo now.
The field on old resin tank bottom is about
 11x 
  1445   Tuesday, March 07, 2017, 09:25 David WangITWRepair  ITW HALCW 2" return line ball valve seals replacement.Leaking seals on ITW HALCW 2" return
line ball valve have been replaced. 8 liter
waters are drained out for this job. Water
  
  1446   Tuesday, March 07, 2017, 14:41 David WangITEMaintenance  ITE dump plug water circuit is closed for ITE IG1S small surge.It is closed @ 2:35PM by closing supply
side valve first , the return side valve
of ITE dump plug .
  
  1447   Wednesday, March 08, 2017, 14:09 David WangITEMaintenanceTM2 ITE IG1S increasing.By retrieving data further, It has been
found no directly relationship between IG1S
surging and dump plug water opening. Vacuum
 ITE_IGIS_surge.pngITE_IG1S_and_PNG4.pngITE_IG1S_back_to_normal_overnight.pngITE_IG1S_behavior_from_Feb_08th_to_Mar_10th.png 
  1452   Thursday, March 16, 2017, 10:32 David WangSpent Target VaultRepairTM4 TM4 and its silo rust photosI watched rust on TM4 and its silo. Most
of rust are on est side of module and silo.
See attachments
 13x 
  1456   Tuesday, March 21, 2017, 11:59 David WangConditioning StationRepairTM4 Rust inpsection on TM4 service cap inside surface and shielding plug surface. Yasmine and I did a rust inpsection on
TM4 service cap inide surface and shielding
plug surface. No rust has been found. Also,
 11x 
  1460   Thursday, March 23, 2017, 11:42 David WangConditioning StationMaintenanceTM4 TM4 Sevice cap rust are cleaned out.TM4 service cap rust are cleaned out at
TCS. All top surface of TM4 are wiped and
cleaned . The module looks good now. see
 TM4_clean_up_at_TCS_006.JPGTM4_clean_up_at_TCS_007.JPGTM4_clean_up_at_TCS_002.JPGTM4_clean_up_at_TCS_008.JPGTM4_clean_up_at_TCS_005.JPG 
  1464   Monday, March 27, 2017, 06:33 David WangITEStandard Operation  ITE clean upITE clean up is done.  HV cage inside
is wiped.
  
  1465   Monday, March 27, 2017, 12:55 David WangSpent Target VaultRepair  S/W silo rust clean upRust on S/W silo and cover plate stored
at silo area are cleaned up.
 rust_removal_at_sw_silo_001.JPGrust_removal_at_sw_silo_002.JPGrust_removal_at_sw_silo_003.JPGrust_removal_at_sw_silo_004.JPGrust_removal_at_sw_silo_005.JPG 
  1471   Wednesday, March 29, 2017, 14:11 David WangConditioning StationStandard OperationTM4 small leak on TM4 Ta(-) water line.A small leak has been found on TM4 Ta(-)
which is marked as "B" on terminal
blocks. The LD base Leak rate is 1.2XE-8
 TM4_2017_leak_check_in_ITE.png 
  1472   Thursday, March 30, 2017, 11:21 David WangConditioning StationRepairTM4 Leak check on TM4 Ta(-) water lines in service capLeak check on TM4 Ta(-) water lines in
service cap is done. LD base LR after 50minutes
pumping down:0.0xE-9 atm.cc/sec. base pressure:
  
  1474   Tuesday, April 04, 2017, 10:23 David WangConditioning StationStandard OperationTM4 Helium pressure leak check on TM4 Ta(-) water lines This morning, The helium pressure leak
check on TM4 Ta(-) is done after TM4 finished
conditioning yesterday.  LD base LR:8.0XE-9
  
  1475   Tuesday, April 04, 2017, 10:24 David WangConditioning StationStandard OperationTM4 Stopped TCS pumps this morning Argon vented TCS and TM4 after pumps
are stopped.
  
  1476   Tuesday, April 04, 2017, 14:39 David WangCraneStandard Operation  Crane check main hoist on jogging with shielding plug lifted. Today, I checked TH crane main hoist 
when shielding plug is installed into ITE
pit. I did  some jogging actions on
  
  1477   Tuesday, April 04, 2017, 14:40 David WangITEStandard OperationTM4 TM4 has been connected in ITEall turbo-pumps are started. Everything
looks fine so far.
  
  1479   Wednesday, April 05, 2017, 11:57 David WangITEMaintenance  ITE target module flange o-ring repalcementITE target module tank flange o-ring was
replaced yesterday before TM4 moving. ITE:
IG1S reading looks fine so far. 
  
  1480   Wednesday, April 05, 2017, 14:13 David WangConditioning StationMaintenanceTM1 TM1 and TCS vacuum system are connected togetherI started two turbo-pumps on TM1 and one
small TP on TCS. They are work fine. 
  
  1481   Thursday, April 06, 2017, 12:33 David WangConditioning StationRepairTM1 TM1 rust inpsection and removalTM1 inside service cap surface and shielding
plug surface are visually inspected yesterday.
No rust has been found. I cleaned all rust
  
  1488   Tuesday, April 11, 2017, 14:06 David WangConditioning StationStandard OperationTM4 SHC, TM2 leak check on HS line.Chad and I did leak check on TM1 HS line
at SHC. 0.0XE-9 atm.cc/sec.  No leak.
  
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