 Monday, September 09, 2019, 06:38, David Wang, Conditioning Station, Standard Operation, TM4, UCx27, HS and window line leak check.
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| TM4 HS and window line are helium pressure checked at TCS. 70 psi helium 5 minutes. No response @1.2XE-8 atm.cc/sec. They are leak free. |
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Tuesday, September 10, 2019, 08:25, David Wang, Conditioning Station, Standard Operation, TM4, UCx27, Argan vent TCS.
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| TCS is argon vented. TM4 is disconnected at TCS. |
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Tuesday, September 10, 2019, 14:04, David Wang, ITW, Standard Operation, , , ITW water interlock check.
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| ITW water interlock check is finished. Everything is good. |
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Thursday, September 12, 2019, 09:26, David Wang, ITW, Repair, TM4, , ITW bad vacuum issue and trouble shoot.
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ITW secondary vacuum was bad in last two days after TM4 was connected in ITW. Today when check the exit 2 module, I found a small needle valve on exit
2 module top was slightly opened for some reason in past months. The valve is closed . ITW vacuum is returned to normal status. |
Friday, September 13, 2019, 13:36, David Wang, ITW, Standard Operation, TM4, UCX27, TM4 conenction in ITW checklist 
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| TM4 was connected in ITW this Tuesday. See attachment for checklist. |
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Friday, October 04, 2019, 16:43, David Wang, Conditioning Station, Standard Operation, TM2, , TM2 has been connected at TCS.
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| TM2 has been connected at TCS this morning. helium pressure test on Tm2 HS line is done. No leak. |
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Friday, October 04, 2019, 16:50, David Wang, South Hot-Cell, Standard Operation, TM4, , UCx 28 target with TM4 SHC leak check and electrical check.
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TM4 HS Leak check result is good . No leak. electrical check after target installation: Bias to chassis 550 Mohm. Coils are shorted each other and shorted
to 60 KV bias. ABCD to 60KV bias 500V Megga measurement are 100M at least which is good. EE to bias are OL at 500V. The electrical check result is good.
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Monday, October 07, 2019, 14:03, David Wang, ITE, Standard Operation, TM2, Ta 59, TM2 has been connected in ITE.
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| Tm2 with Ta 59 has eben connected in ITE. Turbo pumps are started. See checklist |
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Wednesday, October 23, 2019, 06:56, David Wang, ITW, Standard Operation, TM4, UCX 28, TM4 UCx 28 disconnection checklist
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| TM4 was disconnected in ITW. See checklist. |
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Friday, October 25, 2019, 06:43, David Wang, Safe Module Parking, Development, TM3, , SMP vacuum
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TM3 was moved into SMP Oct 25 morning. After two nights pumping down, SMP CG1 read 30mtorr this morning. The pump is stopped. SMP will be
vented soon for TM3 moving back to silo. |
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Wednesday, October 30, 2019, 11:18, David Wang, ITW, Standard Operation, TM4, UCx 29, UCx 29 connection checklist
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| See attachment |
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Thursday, October 31, 2019, 10:17, David Wang, Assembly/Bench Test, Maintenance, TM2, , Febiad target gas line leak check.
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Feibiad gas line for ITE and its adapter fittings for TM2 are tested today by installing them on a dummy water stem. No leak on VCO fitting, adapter
o-rings, and all Swagelock fittings of this assembly. Manual valve on gas line works fine. The positional check on gas line between TM2 and ITW will
be fulfilled next Tuesday during module disconnection. |
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Tuesday, November 05, 2019, 11:57, David Wang, ITE, Standard Operation, TM2, Ta 59, Ta#59 disconnection checklist
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| See attachment |
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Thursday, November 07, 2019, 08:56, David Wang, Conditioning Station, Standard Operation, TM2, SiC#38, TM2 in TCS.
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Helium pressure leak check on TM2 HS line at TCS is done. No leak. Also, Helium are sprayed to gas line adapter and fittings. No leak. TM2 is connected
at TCS. Anode plug on TCS is connected to module 52pin connector. Water system is started. Vacuum pumping down is good. HV cover will be installed today. |
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Tuesday, November 19, 2019, 13:41, David Wang, ITE, Standard Operation, TM2, SiC 38# febiad, TM2 SiC#38 connection check list.
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| TM2 was connected in ITE 12th Nov. attach checklist |
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Wednesday, November 27, 2019, 13:46, David Wang, Conditioning Station, Standard Operation, TM2, SiC 38# febiad, TM2 SiC #38 disconnection checklist.
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| TM2 was disconnected in ITE yesterday. |
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Friday, November 29, 2019, 13:10, David Wang, ITE, Standard Operation, TM2, SiC 39# febiad, TM2 SiC#39 connection check list.
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| TM2 has been connected in ITE. All turbo-pumps are started. |
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Thursday, January 02, 2020, 09:55, David Wang, Cooling, Standard Operation, , , I turned on HALC water pump MP2.
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HALCW MP2 is switched onnow. There is a small amount of air trapped in system. The pump works fine. Water level and system resistivity will be
monitored for a while.
LALCW P5 and P6 are switched on for cooling HALCW. HALCW MP2 is in operation now. |
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Thursday, January 02, 2020, 10:10, David Wang, Crane, Standard Operation, , , TH crane issue.
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Target hall crane does not work properly after TH crane main power is switched off during Christmas time in control room. I switched the main power
back this morning. The only movement could be operated is crane rotation. Power is supplied crane. The control on N-S, E-W and up-down movements
do not work. We had the same problem last year. After trouble shooting, It was pointed to a PLC battery issue. Control group changed the battery and reloaded |
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Tuesday, January 07, 2020, 08:02, David Wang, Cooling, Standard Operation, , , Switch on HALCW MP2
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HALCW MP2 is switched on this morning after yesterday cooling tower maintenance. LALCW P5 and P6 pumps are started by isac operator as well. The
system is good so far. |
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