Out Gas & MB1 check (Or leak check 2.0)
Ref: https://elog.triumf.ca/TIS/Test-Stand/809 - Leak Checks
Ref: https://elog.triumf.ca/TIS/Test-Stand/803 - Fault
WP I2020-08-19-1 For MB1 work
Thursday, September 03, 2020, 11:23: Vacuum remains stable @ 1.03e-06T.. PS on. Auto-ramp TGHT / TBHT to 350 / 150 A @ 2 A per min.
Thursday, September 03, 2020, 13:06: TS Tripped. Vacuum Spikes again. Appears the water leak is still ongoing.
Thursday, September 03, 2020, 13:49 Waterlines are all close. Vacuum becoming more stable.
Tuesday, September 08, 2020, 07:40: Ion Gauge & turbo pumps off.
Wednesday, September 09, 2020, 06:13: Venting.
FS#2 - R TGHT (C) feed through and section had been removed and re-souldered both on the water block and the feed through.
Tuesday, September 15, 2020, 09:47: Roughing.
Tuesday, September 15, 2020, 10:47: TP1B on.
Tuesday, September 15, 2020, 14:35 :TP1A on.
Tuesday, September 15, 2020, 14:42 : IG1 on.
Wednesday, September 16, 2020, 07:44: Vacuum @ 6.00e-06T.
Wednesday, September 16, 2020, 07:47: FS#2 waterline opened. Vacuum stable @ 6.00e-06T.
Wednesday, September 16, 2020, 08:02: Vacuum @ 5.97e-06T. Vacuum stable.
Wednesday, September 16, 2020, 08:03: FS#3 open. Vacuum stable.
Wednesday, September 16, 2020, 08:09: FS#4 open. Vacuum stable.
Wednesday, September 16, 2020, 08:24: FS#5 open. Vacuum stable @ 5.91e-06T.
No vacuum spikes noted.
Wednesday, September 16, 2020, 08:42: PS on. Note: Once Vacuum reaches 3.5e-06T, begin auto-ramping.
Wednesday, September 16, 2020, 09:25: It appears the leak is still here. But very subtle. Vacuum @ 6.18e-06T. Many curse words uttered. PS off. Locked out. Purge waterlines.
Thursday, September 17, 2020, 08:21: Vacuum @ 3.32e-06T.
Thursday, September 17, 2020, 08:23: Opened FS#5.
Thursday, September 17, 2020, 08:55: Opened FS#4. Vacuum @ 3.12e-06T.
Thursday, September 17, 2020, 09:51: Opened FS#3. Vacuum @ 3.12e-06T
Thursday, September 17, 2020, 10:21: Opened FS#2 Vacuum @ 3.12e-06T.
Thursday, September 17, 2020, 10:52: Gradual climb on IG1. Vacuum @ 4.44e-06T.
Thursday, September 17, 2020, 10:53: IG1 & turbo pumps off. Purge water from FS#2.
Thursday, September 17, 2020, 11:37: Venting.
Checked: Upper line & Lower line independently. No obvious leak detected. Checked O-rings. Replaced w/ C-Seals.
Thursday, September 17, 2020, 13:31: Roughing.
Thursday, September 17, 2020, 14:06: TP1B on.
Thursday, September 17, 2020, 19:11: TP1A on.
Friday, September 18, 2020, 12:07: FS#2 opened. Vacuum @ 2.48e-06T
Friday, September 18, 2020, 12:12: FS#2 Closed. Vacuum spiked to near 6.0e-05T.
Friday, September 18, 2020, 12:15: FS#2 fully purged.
Tuesday, September 22, 2020, 06:51: Ion gauge & Turbo pumps off.
Tuesday, September 22, 2020, 08:10: Venting.
O-rings swapped for fresh new ones w/ vacuum grease on (C) & (D) water blocks.
Tuesday, September 22, 2020, 09:27: Roughing.
Tuesday, September 22, 2020, 10:10: TP1B on.
Tuesday, September 22, 2020, 12:20: TP1A on.
Tuesday, September 22, 2020, 15:02: Vacuum @ 2.97e-06T.
Tuesday, September 22, 2020, 15:05: Opened FS#2. No immediate response.
Tuesday, September 22, 2020, 15:13: Gradual vacuum spike to 2.6e-06T. Closed FS#2
Wednesday, September 23, 2020, 06:36: Ion gauge & turbo pumps off.
Wednesday, September 23, 2020, 11:38: TP1B on only. IG1 on.
Wednesday, September 23, 2020, 15:37: LD: 0.0e-09 atm-cc/sec. Vacuum @3.9e-06T.
Wednesday, September 23, 2020, 15:38: Open valve to TP1B.
Wednesday, September 23, 2020, 15:41:
LD: 0.0e-09 atm-cc/sec. Vacuum @3.67e-06T.
Wednesday, September 23, 2020, 15:51: LD: 0.0e-09 atm-cc/sec. Vacuum @3.67e-06T. No response on LD.
Wednesday, September 23, 2020, 15:57: 70 PSI of He on line (C) TGHT Right side. LD: 0.0e-09 atm-cc/sec. Vacuum @3.73e-06T. Flush line
Wednesday, September 23, 2020, 15:59: LD: 1.7e-09 atm-cc/sec. & Rising.
Wednesday, September 23, 2020, 16:00: LD: 4.1e-09 atm-cc/sec & rising. Line (C) confirmed again.
Wednesday, September 23, 2020, 16:04: LD & He disconnected. IG1 & TP1B off. Remove (C) Right TGHT line in the morning. Will aim to replace the source tray side. Feed through side has already been done.
Thursday, September 24, 2020, 07:16: Venting.
Remove FEBIAD & Source tray side R-TGHT line (C) from FS#2. Blank off with blind double block.
Thursday, September 24, 2020, 08:41: Roughing
Thursday, September 24, 2020, 09:12: TP1B on.
Thursday, September 24, 2020, 09:18: Ion gauge on.
Thursday, September 24, 2020, 10:17: TP1A on.
Thursday, September 24, 2020, 14:20: Connect LD & Set-up He. Vacuum @ 2.92e-06T. LD: 0.0e-09 atm-cc/sec.
Thursday, September 24, 2020, 14:22: Open valve to TP1B.
Thursday, September 24, 2020, 14:24: Vacuum @ 2.95e-06T. LD: 2.2e-08 atm-cc/sec. 70 PSI of He on line (C) TGHT Return side.
Thursday, September 24, 2020, 14:30: Vacuum @ 2.74e-06T. LD: 1.5e-08 atm-cc/sec.
Minimal change.
Tuesday, September 29, 2020, 04:50: IG1 off. Turbo pumps off. |