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 33 of 136  Not logged in ELOG logo
Entry  Tuesday, June 30, 2020, 10:18, Travis Cave, South Hot-Cell, Standard Operation, TM4, Test Proton to Neutron Target, Module move 

 TM#4 has been moved from the east target station to the south hot cell.

Entry  Monday, June 29, 2020, 10:09, David Wang, ITE, Standard Operation, TM4, P2N test., ITE turbo pumps are stopped 

ITE venting is in processing.

Entry  Friday, June 26, 2020, 15:00, David Wang, ITW, Maintenance, , , ITW TP1 and TP1S. 

ITW TP1 can not be started yesterday. Also, TP1S was difficult to start , and had a high current draw after.  We changed both of them in pit today. TP1 and TP1S are started successfully after replacement.

Entry  Friday, June 26, 2020, 10:43, Adam Newsome, Spent Target Vault, Standard Operation, , , Routine mechanical inspection: storage vault and mini-storage drive systems IMG_20200626_092538.jpgIMG_20200626_093208.jpgIMG_20200626_093924.jpgIMG_20200626_093951.jpg

An inspection was performed on drive systems for both storage vaults (main and mini) by Adam Newsome and Dan McDonald. The functionality was not tested. Overall, nothing concerning was discovered.

Main Storage Vault:

  • Chain inspected (OK) and lubricated
  • Gearbox inspected - OK
  • All drive system set screws checked and tightened (note: chain drive screw slightly loose)
  • Sprocket alignment checked - OK
  • Limit switches checked - OK
  • Emergency close mechanism cable checked - OK

Mini-Storage:

  • Chain inspected - OK
  • Set screw checked - OK
  • Gearbox inspected - OK (need inventory/spare in stock)
  • Roller wheels checked - OK

 

Entry  Thursday, June 25, 2020, 09:45, Travis Cave, ITW, Standard Operation, TM2, Graphite #1, Module move 

 TM#2 with the graphite #1 target has been moved from the south hot cell to the west target station.

Entry  Tuesday, June 23, 2020, 10:56, David Wang, Safe Module Parking, Standard Operation, , , SMP annual service.  

Dan and I did the SMP annual  maintenance service today. Lid open/close , vessel rotation and limit switch check, lubricate chains, tighten fasteners, and visual inspection.  Everything works fine.

Entry  Friday, June 19, 2020, 11:21, David Wang, ITE, Repair, TM4, P2N test., ITE TP3 is replaced. 

ITE TP3 is replaced. ITE is under vacuum again. All turbo pumps are started successfully. Current draw on pumps are normal so far.

Entry  Thursday, June 18, 2020, 13:25, David Wang, ITE, Standard Operation, TM4, P2N test., Disconnect TM4 in ITE. 

TM4 has been disconnected in ITE. Vacuum pumps and gauge are not disconnected yet.

Entry  Thursday, June 18, 2020, 13:22, David Wang, ITW, Standard Operation, TM2, C#1, Remove of TM2 from ITE to SHC. 

Remotely remove TM2 from ITW to SHC. The move is good.  Shielding plug is put back to ITW.

Entry  Thursday, June 18, 2020, 09:11, Travis Cave, ITW, Standard Operation, TM2, Graphite #1, Module move 

 TM#2 with the graphite #1 target has been moved from the south hot cell to the west target station.

Entry  Wednesday, June 17, 2020, 09:53, David Wang, South Hot-Cell, Standard Operation, TM2, C#1, C#1 target electrical check and leak check at SHC. C#1_target_electrical_and_leak_check.pdf

Target to HS is 400 ohm. The rest check is good. See attachment.

Entry  Wednesday, June 17, 2020, 09:49, chad fisher, South Hot-Cell, Standard Operation, TM4, C#1, C#1 installed C#1_Target.jpg

Target C#1 has been installed on TM4 with new high current fasteners torqued to 130in lbs.

 

 

Entry  Tuesday, June 16, 2020, 09:37, Travis Cave, South Hot-Cell, Standard Operation, TM2, no target, Module move 

 TM#2 with no target has been moved from the south west silo to the south hot cell.

Entry  Thursday, June 11, 2020, 12:36, David Wang, Safe Module Parking, Repair, TM3, , TM3 containment box and service tray field measurement.  
At 15cm distance: Containment box window 21msv maximum. Service tray 8.0msv maximum.
At 0.5 meter distance 360degree rotation: containment box high 10msv, low 4.3msv.
Maximum 170 to 180 counts(44-2) on swipes taking from service cap inside.
0 to 20 counts(44-2) on air sample at 0.5 meter to containment box window panel.
80 counts(44-2) on air sample taking from service cap inside.  The contamination level in service cap is low.

 

Entry  Thursday, June 11, 2020, 11:49, David Wang, ITE, Maintenance, , , ITW and ITE thermocouple status. 

  ITW - 2A2

o    2A2DSP-TC3 - not connected in El room

o    2A2COL-TC2 - does not work inside module

o    2A2COL-TC3 - does not work inside module

·         ITE - 2A3

o    2A3COL-TC3 - works, but plug needs repair in ITE pit

 Anders and I checked ITW and ITE thermocouple status. See result above.  Frank and I will fix the 2A3COL-TC3 loose cable to plug issue.

Entry  Thursday, June 04, 2020, 10:51, David Wang, Conditioning Station, Standard Operation, , , TH floor mop up. 

Jason Sargeant mopped up TH floor this morning. The mop head was checked after the job. There are 1500 counts on it. He think this level is reasonable low. 3000 counts would be normal in past.

Entry  Thursday, June 04, 2020, 10:40, David Wang, Conditioning Station, Maintenance, , , Three manual valves are closed on TCS water system  TCS_return_line_closed_valves_001.JPGTCS_return_line_closed_valves_002.JPG

Three manual valves are closed on TCS water system return line in experimental hall. See attachments. It is for TCS TK2 water level slow drop trouble shooting.  These valves will be opened again right after troubleshooting.  

TCS TK2 water level no change(11.1 inches) in this week after valves are closed. I will keep these three valves closed for one more week.

I opened these valves. In two week times, The TK2 level dropped 0.1 inches. The water level change could be a result of evaporation of water in system. We will keep watching on it.

Entry  Monday, June 01, 2020, 12:46, David Wang, ITE, Maintenance, , , ITH:CM6 ,CM6S and ITM:CM3 calibration. 

Edi calibrated ITH:CM6, CM6S and ITM:CM3. By the same time,  ITH:MP1 and MP2  lubricate oil level are checked. Everything looks fine. No oil  leak on both pumps. 

Entry  Monday, June 01, 2020, 12:40, David Wang, Crane, Maintenance, , , TH crane festoon cable maintenance 

Tom Kauss corrected the TH crane  festoon cable loops. He lubricated festoon cable wheels as well.    The maintenance is done.

Entry  Friday, May 22, 2020, 13:26, David Wang, ITW, Repair, , , ITW water leak. itw_water_leak_001.JPGitw_water_leak_005.JPGitw_water_leak_009.JPGitw_water_leak_013.JPG

A water leak was found on a fitting connecting ITW dump return line pressure gauge on top of exit module. TM tank flange, o-ring slot and o-ring were contaminated by water and water rust. Frank and I cleaned the flange and o-ring slot . We changed a new TM tank o-ring, vacuumed around other 3 module flanges. The leak fittings with pressure gauges were removed . I put a blind cap on removed fitting spot.. Water are switched back to ITW. No leak on blind cap.

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