https://elog.triumf.ca/TIS/Test-Stand/791
https://elog.triumf.ca/TIS/Test-Stand/792
Tuesday, May 19, 2020, 06:01: Venting.
Troubleshoot / Leak Check ISAC TS.
Tuesday, May 19, 2020, 06:35: Quite a bit of condensation was found inside the TS. Most lines had water on them.
Tuesday, May 19, 2020, 07:09: Wiped out the interior. Running a fan inside to aid in the drying.
Tuesday, May 19, 2020, 08:20:
Opened lines FS#2,3,4. No visual leaks detected.
Installed previously used/outgassed HS (Ferran's tests). Replaced all the bolts.
Roughing.
Tuesday, May 19, 2020, 08:32: Multiple attempts made to rough. Doors not sealing?
Tuesday, May 19, 2020, 08:58: IT FINALLY SEALED!!! (Assistance was provided on the doors)
Tuesday, May 19, 2020, 09:02: BV1B Open.
Tuesday, May 19, 2020, 10:54: Vacuum @ 15.339 T.
Tuesday, May 19, 2020, 10:59: FS#2 opened.
Tuesday, May 19, 2020, 11:02: Vacuum @ 15.069 T.
Tuesday, May 19, 2020, 11:03: FS#3 opened.
Tuesday, May 19, 2020, 11:06; Vacuum @ 15.069 T
Tuesday, May 19, 2020, 11:07: FS#4 opened.
Tuesday, May 19, 2020, 11:10: Vacuum @ 15.069 T.
Tuesday, May 19, 2020, 11:11: FS#5 Opened.
Tuesday, May 19, 2020, 11:13: Vacuum @ 15.069 T.
Tuesday, May 19, 2020, 11:30: Close & purge cooling lines. Observe Vacuum.
Left open overnight. Ran the fan on it this morning.
All water lines into the TS closed. FS# 2,3,4,5, & 8.
Wednesday, May 20, 2020, 08:35: Roughing.
Wednesday, May 20, 2020, 08:50: BV1B open. Vacuum at 8 T and dropping.
Wednesday, May 20, 2020, 10:12: Vacuum at 2.635 T.
Wednesday, May 20, 2020, 10:14: FS#2 opened.
Wednesday, May 20, 2020, 10:17: Vacuum @ 2.646 T.
Wednesday, May 20, 2020, 10:19: FS#3 opened.
Wednesday, May 20, 2020, 10:24: Vacuum @ 2.764 T
Wednesday, May 20, 2020, 10:25: FS#4 opened.
Gradual increase is noted, but no obvious spike.
Wednesday, May 20, 2020, 10:28: Vacuum @ 2.816 T.
Wednesday, May 20, 2020, 10:32: Vacuum @ 3.606 T.
Starting to spike.
Wednesday, May 20, 2020, 10:36: Closed supply / return. Purged. Closed the lines Vacuum @ 4.173 T.
Wednesday, May 20, 2020, 10:54: Vacuum @ 3.984 T.
Wednesday, May 20, 2020, 10:58: FS#2 opened.
Wednesday, May 20, 2020, 11:10: Vacuum @ 3.858 T.
Wednesday, May 20, 2020, 11:11: FS#3 opened. Vacuum spiking 4.3T +
Wednesday, May 20, 2020, 11:15: Closed supply / return. Purged. Closed the lines Vacuum @ 4.614 T.
Wednesday, May 20, 2020, 11:47: Venting.
Wednesday, May 20, 2020, 13:12: Significant leak discovered on FS#3. Pressurized the lines to full pressure with water and waited 15 minutes. Small drops seen pushing out from the water block.
Removed old O-ring (Appeared to have a warp/bulge, very faint) Replaced with Sn C-Seal "Small Package" MIL-DTL-117H-TII C-E S-I / MIL-PRF-131K C-II.
T= 0.095"
D= 0.424"
Wednesday, May 20, 2020, 14:02: Roughing.
Wednesday, May 20, 2020, 14:08: BV1B open.
Wednesday, May 20, 2020, 15:28: Vacuum @ 1.242 T
Wednesday, May 20, 2020, 15:29: Open FS#3.
Wednesday, May 20, 2020, 15:31: Close FS#3 supply / return. Purged. Closed the lines Vacuum @ 2.462 T.
Wednesday, May 20, 2020, 15:42: Start venting to 200 T.
Removed Right coil line on FS#3 and blanked it off (G) (H).
Monday, May 25, 2020, 14:00: Roughing.
Monday, May 25, 2020, 14:02: BV1B open.
Monday, May 25, 2020, 15:16: Turbo pumps on.
Monday, May 25, 2020, 15:25: Ion gauge on.
Wednesday, May 27, 2020, 10:28: Ion gauge & turbo pumps off.
FS#(G)(H) right coil line - Lower G water block replaced leak checked / cleaned.
Line re-installed.
Wednesday, May 27, 2020, 12:56: Roughing.
Wednesday, May 27, 2020, 13:39: Turbo pumps on.
Wednesday, May 27, 2020, 13:47: Ion gauge on.
Monday, June 01, 2020, 06:47: Vacuum @ 5.12e-06T
Monday, June 01, 2020, 06:50: FS#3 opened. Vacuum @ 5.12e-06T.
Monday, June 01, 2020, 06:57: FS#2 opened. Vacuum @ 5.12e-06T.
Monday, June 01, 2020, 07:01: FS#4 opened. Vacuum @ 5.12e-06T.
Monday, June 01, 2020, 07:04: FS#5 opened. Vacuum @ 5.10e-06T.
Monday, June 01, 2020, 07:12: PS on
Monday, June 01, 2020, 07:15: FS#8 opened. Vacuum @ 5.03e-06T.
Monday, June 01, 2020, 07:16: Sources on.
Monday, June 01, 2020, 07:18: Auto-ramping TGHT / TBHT to 300 / 150 A @ 2 A per min. Vacuum limits adjusted:
7.000e-06 Vacuum ok, increment when less than this value.
8.000e-06 Vacuum exceeds, the last increment on TGHT / TBHT is backed off.
Monday, June 01, 2020, 09:17: Halt, adjust. Continue Auto-ramping TGHT / TBHT to 350 / 200 A @ 2 A per min.Vacuum @5.19 e-06T
Monday, June 01, 2020, 10:37: Auto-ramping TGHT / TBHT to 400 / 200 A @ 2 A per min.Vacuum @ 6.29e-06T.
Monday, June 01, 2020, 11:05: Auto-ramping TGHT / TBHT to 450 / 200 A @ 2 A per min.Vacuum @ 6.70e-06T.
Monday, June 01, 2020, 12:18: Tripped* restarted* Auto-ramping TGHT / TBHT to 350 / 150 A @ 4 A per min.Vacuum @ 6.70e-06T.
Tripped as the TGHT / TBHT "good vac" interlock is at 7.30e-06T.
Monday, June 01, 2020, 17:10: Lowered TGHT to 325A to avoid a trip and continue outgassing. Vacuum @ 7.00e-06T.
Tuesday, June 02, 2020, 06:06: Manually tap TGHT up to 350 A.
Tuesday, June 02, 2020, 06:39: Manually tap TGHT up to 375 A.
Wednesday, June 03, 2020, 09:37: Manually tap TGHT up to 400 A. Vacuum, @ 6.68e-06T.
Wednesday, June 03, 2020, 09:44: Manually tap TGHT up to 400 A. Vacuum, @ 6.90e-06T.
Wednesday, June 03, 2020, 10:45: Tripped* restarted* Auto-ramping TGHT / TBHT to 400 / 200 A @ 4 A per min.Vacuum @ 5.53e-06T.
Friday, June 05, 2020, 06:19: Manually tap TGHT up to 425 A.
Tuesday, June 09, 2020, 19:57: Auto-Cooling from 475 A to 0 A @ 1 A per min.
Wednesday, June 10, 2020, 06:32: PS off. Ion Gauge off. Turbo pumps off. |