The insulator for the TGHT terminals cracked during an attempt to remove a seized bolt.The right TGHT block was removed with the target and the bolt cut to remove the target. The single stand-off insulator on the target assembly cracked in the process.

Friday, March 04, 2016

Re-installed the TGHT terminal with new Keensert.

Two Ta-tubes sealed with 2 end caps each placed in the vacuum chamber. 

Friday, March 11, 2016, 15:03: Rouging

Monday, March 14, 2016, 09:43: Caps still on the tube. Vacuum on CG1 5 mT

Wednesday, March 16, 2016, 08:37: Venting

Back up heat shield for UC#15

Wednesday, March 16, 2016, 09:58: Roughing

Wednesday, March 16, 2016, 12:54: Started Turbo pumps

Wednesday, March 16, 2016, 13:02: Turbos at speed, Vacuum at 7.16E-06T

Thursday, March 17, 2016, 08:30: Opened water on heat shield circuit. Vacuum stable at 3.0E-07T. No response on RGA.

Thursday, March 17, 2016, 08:37: Auto-Ramping started. TGHT to 500A @ 2A/min. EE to 1500V.

Thursday, March 17, 2016, 15:40 @ 500A and 6.76E-07T

Friday, March 18, 2016, 08:35: Auto-cooling. Vacuum @5.87E-07T.

Friday, March 18, 2016, 14:13: Source off. Stopped turbo pumps.

Tuesday, March 29, 2016, 13:22: venting

Tuesday, March 29, 2016, 14:43: Roughing.

 Wednesday, March 30, 2016, 14:33: Venting   -AM

to test the effect of extraction when biasing of the target.

Anders Mjos wrote:

to test the effect of extraction when biasing of the target.

 Testing finished. Switched back to negative polarity.

Friday, June 03, 2016, 14:50: Turbo pumps started.

Friday, June 03, 2016, 15:22:  RGA on.

Monday, June 06, 2016, 15:40: RGA still connected. OK. Screen shot saved. Vacuum @ 8.5E-07T

Wednesday, June 08, 2016, 15:26: RGA off

Wednesday, June 08, 2016, 15:29: Ion gauge off. Turbo pumps off.

Thursday, June 09, 2016, 12:44: Venting -AM

 Graham Waters is looking into this problem. The IOC has been rebooted a couple of times.

Monday, June 20, 2016, 12:50: roughing down

Monday, June 20, 2016, 14:30: Turbo pumps on. Ion gauge on.

Monday, June 27, 2016, 09:00: Ion gauge off. Turbo pumps off.

Friday, June 24, 2016, 08:06: Ion gauge IG6 OFF. Turbo pumps TP6 and TP2 off.

Friday, June 24, 2016, 09:58: Venting.

Friday, June 24, 2016, 10:17: Remove emittance scanner for inspection.

Friday, June 24, 2016, 10:20: Roughing.

Disassemble, inspect.

Move bearing along screw. Acetone to break down old grease. Wiped clean. Move bearing back and forth, use pick to remove dirt. Re-grease.

Clean, and reassemble.

Test emittance scanner (outside of vacuum) . Draw in OK. Draw out OK.

Friday, June 24, 2016, 13:35: Venting.

Install emittance scanner.

Friday, June 24, 2016, 14:10: Roughing.

Test. Draws in fine. Draw out fails 3/4 of the way back up.

Friday, June 24, 2016, 14:32: Turbo pumps started.

Friday, June 24, 2016, 14:37: Ion gauge on.

Work to continue when more information is found on emittance scanner motor & history.

Wednesday, June 29, 2016, 16:28 : Roughing

Thursday, June 30, 2016, 08:44: Turbo pumps on.

Thursday, July 07, 2016, 13:11: Turbo pumps off. Ion gauge off.

Monday, July 11, 2016, 12:50: Venting. ERROR on PuTTY.

Monday, July 11, 2016, 13:05: IOC WHITEOUT?

Monday, July 11, 2016, 13:25 All returned to normal.

Dave Morris increased the current from ~ 1 A to ~2.5 A. This seem to solve the problem with the in/out drive of the emittance meter

Monday, July 11, 2016, 13:49: Begin roughing.

10 µL: K & Rb added

5 µL: Cs added

Monday, July 11, 2016, 14:59 : Turbo pumps started.

Monday, July 11, 2016, 15:33 : Ion gauge on.

Tuesday, July 12, 2016, 08:13 : RGA on.

Tuesday, July 12, 2016, 08:18 : Water, power/sources on. Vacuum stable at 3.2E-7 T. No response on RGA.

Tuesday, July 12, 2016, 08:35: Auto-ramping TBHT only @ 1A/min to 110A. EZL/EE/BIAS to 13/1.5/30 kV.

Wednesday, July 13, 2016, 08:17: Reduced TBHT to 100 A -AM

Wednesday, July 13, 2016, 18:15: Auto-cool @ 1.5A/min

Thursday, July 14, 2016, 08:20: Sources/power off

Thursday, July 14, 2016, 08:27: RGA off, IV4 closed, Ion gauge off. Turbo pumps off. Water lines closed.

Thursday, July 14, 2016, 12:57: Venting

Thursday, July 14, 2016, 14:41:  Roughing started.

Thursday, July 14, 2016, 15:41: Turbo pumps started.

Thursday, July 14, 2016, 15:58: Ion gauge & RGA on.

Friday, July 15, 2016, 08:15: Water, power/sources on. Vacuum stable at 3.9E-7 T. No response on RGA.

Friday, July 15, 2016, 08:25: Optics on. BIAS/EZL/EE to 30/13/1.5kV

Friday, July 15, 2016, 08:30: Auto-ramp TBHT to 110A @ 2A/min

Friday, July 15, 2016, 11:19; Auto-ramp TBHT to 130A @ 2A/min

Friday, July 15, 2016, 11:21: IV4 opened

Monday, July 18, 2016, 09:03: TBHT cooling started @ 2A/min

Monday, July 18, 2016, 09:04: RGA disconnected/Filament off.

Monday, July 18, 2016, 10:16: Sources off. IV4 closed. Turbo pumps off.

Monday, July 18, 2016, 11:17: Venting. Note* Global reset used each time VV1 was opened and closed. VV1 becomes non-responsive otherwise.

Monday, July 18, 2016, 11:25: Water purged. Power off/lockout.

Monday, July 18, 2016, 12:19: Roughing.

Monday, July 18, 2016, 13:13: Turbo pumps on.

Monday, July 18, 2016, 13:18: Ion gauge on.

Tuesday, July 19, 2016, 08:28: Power/Water on. No response on RGA. Vacuum stable @ 2.63E-7 T.

Tuesday, July 19, 2016, 08:43: Optics on. BIAS/EZL/EE on 30/13/0 kV. Auto-ramp TBHT to 110A @ 2 A/min.

Tuesday, July 19, 2016, 10:15: Auto-ramp TBHT to 130A @ 2 A/min.

Tuesday, July 19, 2016, 13:325: Auto-ramp down TBHT @ 2 A/min - AM

Tuesday, July 19, 2016, 13:36: Optics and BIAS / EZL / EE off -AM.

Tuesday, July 19, 2016, 14:28: Turbos off/Turbo vent.

Tuesday, July 19, 2016, 14:33: Venting.

Tuesday, July 19, 2016, 15:14: Roughing.

Tuesday, July 19, 2016, 15:48: Turbo pumps started.

Tuesday, July 19, 2016, 15:55: Ion Gauge on.

Wednesday, July 20, 2016, 08:15: RGA On.

Wednesday, July 20, 2016, 08:25: Power/water on. No response on RGA. Vacuum stable @ 2.7E-7 T

Wednesday, July 20, 2016, 08:28: Sources on BIAS/EZL/EE @ 30/13/0 Kv

Wednesday, July 20, 2016, 08:31: Auto-ramping TBHT @ 2A/min.

Wednesday, July 20, 2016, 13:01: Auto-Cooling TBHT @ 3A/min.

Wednesday, July 20, 2016, 14:45: Sources off.

Wednesday, July 20, 2016, 14:47: RGA off. IV4 Closed.

Wednesday, July 20, 2016, 14:49: Turbos off.

Wednesday, July 20, 2016, 14:53: Power off. Water line purged.

Thursday, July 21, 2016, 07:52: Venting

Fault report submitted. 9156

Thursday, July 28, 2016, 09:55: Controls group resolved the issue by cycling the power on the canbus controller

Thursday, July 28, 2016, 10:00 Roughing.

Heat Shield Test (Fully Cleaned).

For all 6 tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

-Start Roughing by 10:10am +/- 1 minute and ensure previous HS started venting by 9:15am to meet timeline.

HS# 41751-1 . OR, Acetone, Methanol. TGHT only.

No insulators, bracket, or gripper arms. Blank/Plate. No source cup.

Monday, August 08, 2016, 09:58: Ta#49 removed from test stand.

Monday, August 08, 2016, 10:07: 41751-1 placed into test stand. Door open for 9 minutes.

Monday, August 08, 2016, 10:10: Roughing.

Monday, August 08, 2016, 10:18: BV1B OPEN. Opened @ 88T.

Monday, August 08, 2016, 10:40: Both Turbo pumps started.

Monday, August 08, 2016, 10:45: Ion gauge on. TP1B @ speed 42 KRPM.

Monday, August 08, 2016, 10:48: TP1A @ speed 38 KRPM.

Monday, August 08, 2016, 11:45: RGA on. Vacuum @ 2.02E-6T

Tuesday, August 09, 2016, 08:14: Water lines opened. No response on RGA. Vacuum stable @ 1.99E-7T

Tuesday, August 09, 2016, 08:19: Power/sources on.

Tuesday, August 09, 2016, 08:30: TGHT auto-ramping to 580A @ 2A/min. Vacuum stable @ 1.99E-7T

Tuesday, August 09, 2016, 11:15: Screen shots and check made @ 329-330A

Tuesday, August 09, 2016, 13:20: TGHT @ 580A. Vacuum @4.23E-7T

Tuesday, August 09, 2016, 16:00: Auto-cooling @ 2A/min. Vacuum @ 3.77E-7T

Wednesday, August 10, 2016, 08:00: Vacuum @ 1.70E-7T. RGA off. Ion gauge off. Turbos off.

Wednesday, August 10, 2016, 09:14: Venting.

Heat Shield Test (Fully Cleaned).

For all 6 tests:

-Start Turbo pumps & Ion gauge as soon as available on ISAC TEST STAND VACUUM Screen.

-Start Roughing by 10:10am +/- 1 minute and ensure previous HS started venting by 9:15am to meet timeline.

HS# 41751-2 . OR, Acetone, Methanol. TGHT only.

No insulators, bracket, or gripper arms. Blank/Plate. No source cup.

Wednesday, August 10, 2016, 09:47: 41751-1 removed from test stand. Exchange target & End plates to 41751-2

Wednesday, August 10, 2016, 10:07: 41751-2 placed into test stand. Door open for 20 minutes.

Wednesday, August 10, 2016, 10:10: Roughing.

Wednesday, August 10, 2016, 10:13: Doors finally sealed for roughing.

Wednesday, August 10, 2016, 10:23: BV1B OPEN. Opened @ 59T.

Wednesday, August 10, 2016, 10:45: Both Turbo pumps started.

Wednesday, August 10, 2016, 10:50: Ion gauge on. TP1B @ speed 42 KRPM.

Wednesday, August 10, 2016, 10:53: TP1A @ speed 38 KRPM

Wednesday, August 10, 2016, 11:45: RGA on. Vacuum @ 3.56E-6T

Thursday, August 11, 2016, 08:16: Water lines opened. No response on RGA. Vacuum stable @ 2.34E-7T

Thursday, August 11, 2016, 08:19: Power/sources on

Thursday, August 11, 2016, 08:30: TGHT auto-ramping to 580A @ 2A/min. Vacuum stable @ 2.36E-7T

Thursday, August 11, 2016, 11:15: Screen shots and check made @ 329-330A.

Thursday, August 11, 2016, 13:25: TGHT @ 580A. Vacuum @4.16E-7T

Thursday, August 11, 2016, 15:54: Screen shots and check made @ 580A. Vacuum @4.43E-7T and increasing. Cool in Am.

Friday, August 12, 2016, 08:30: Auto-cooling started @ 2A/min. Vacuum @ 3.88E-7T

Friday, August 12, 2016, 13:20: Cooling Complete. Vacuum @ 2.16E-7T.

Friday, August 12, 2016, 13:33: Water lines purged. Power/sources off.

Monday, August 15, 2016, 08:07: Turbo pumps, Ion gauge, and RGA off.

Monday, August 15, 2016, 09:14: Venting.