by Ray D and Anders in preparation for 60kV test. Rack insulators and f/t insulators cleaned with windex

BIAS current limit pot changed from 2.40 to 0.25
EZL current limit pot changed from 0.50 to 0.20

Testing max HV bias with Ray

Tested successfully to plc  limit of 50kV.

Dave M updated limit to 59kV. the limit will reset to 50 kV if PLC is restarted

Friday, December 12, 2014, 14:43: BIAS at 59kV and 55 uA. EZL at 20kV and 73 uA. No sparking observed.

Tuesday, December 16, 2014, 09:12: BIAS and EZL to 40kV and 20kV

Tuesday, December 16, 2014, 09:53: BIAS at 50 kV. One spark w/vaccum response at 50 kV

Tuesday, December 16, 2014, 10:20: BIAS and EZL to 0 to try and restart TP1B TP6

Tuesday, December 16, 2014, 10:33: Both turbos restated. BIAS and EZL at 50 kV and 20 kV

Tuesday, December 16, 2014, 11:23: BIAS at 60 kV. One audible spark with vacuum response.

Tuesday, December 16, 2014, 11:37: Another spark took out TP1B and TP6 again.

Tuesday, December 16, 2014, 11:42: Restarted TP1B and TP6

EE power supply switched on

Wednesday, December 17, 2014, 10:19: BIAS at 60kV for 10 min. EZL at 20kV

Wednesday, December 17, 2014, 13:13 : 3h at 60 kV (see attached screen shot)

Wednesday, December 17, 2014, 13:24: BIAS off

Wednesday, December 17, 2014, 13:40: All power supplies ON. TBHT autoramping to 290 A (240 A0. 4A / min

Wednesday, December 17, 2014, 13:46: IV4 opened

Wednesday, December 17, 2014, 16:10: Source on at 30 kV (previously tested to 50 kV)

Thursday, December 18, 2014, 08:21 : Starget autoraming to 290 A (240 A). 4 A / min

Thursday, December 18, 2014, 08:48: 40 kV

Thursday, December 18, 2014, 08:57: 50 kV

Thursday, December 18, 2014, 09:18: 60 kV. Extracting 1E-7 A on FC0

Thursday, December 18, 2014, 09:29: Increased COIL and ANODE to 3.6 A and 60 V

Thursday, December 18, 2014, 10:11: Large spark? Vacuum in source box compromised 6E-4 T.

Thursday, December 18, 2014, 10:24: Closed IV4 (red, but closed - IG6 vacuum good). Stopping turbos. Vacuum is increasing on CG1.

Thursday, December 18, 2014, 10:26: Shutting off water supply.

Thursday, December 18, 2014, 10:29: Venting through turbo vent valves.

Thursday, December 18, 2014, 10:35: Closed turbo vent valves.

Thursday, December 18, 2014, 10:37: Roughing

Thursday, December 18, 2014, 10:42: Pumping curve changing slope abruptly around 30 T and again around 2.5 T

Thursday, December 18, 2014, 10:48: Stopped roughing

Thursday, December 18, 2014, 12:14 : Venting

Thursday, December 18, 2014, 13:43: Roughing

possibly due to HV spark

Tuesday, December 16, 2014, 10:24: Starting TP1B and TP6

Tuesday, December 16, 2014, 10:26: Both turbos at speed. Power 15 W and 17 W.

Tuesday, December 16, 2014, 11:37: Happened again. Restarted.

 In preparation for leak check

Thursday, December 18, 2014, 16:37: Reconnected after leak check

Monday, December 22, 2014, 11:02: Water opened.

Largest response on the bottom of the insulator.

Thursday, December 18, 2014, 16:39: Closing pumping valves. Will allow system to leak up over night

Friday, December 19, 2014, 08:19: Venting

Friday, December 19, 2014, 11:55: F/T and insulator removed. Lid not yet installed. Spark marks found on the insulator (see attached photo).

Installed blank off on F/T Q. New o-ring (1-1/02235) and screws 10-24x0.50 (1-2/02526). F/T insulator reference ITA0439

Monday, December 22, 2014, 09:54: Roughing

Monday, December 22, 2014, 10:25 : 0.5 T at CG1

Monday, December 22, 2014, 11:00: No leak detected at 0.2 T

Monday, December 22, 2014, 11:01: Starting turbos

Monday, December 22, 2014, 11:02: Opened water flow on GE (and TP1B)

Monday, December 22, 2014, 11:03: Some noise from TP1B around 12 kRPM

Monday, December 22, 2014, 11:07: TP1B at speed

Monday, December 22, 2014, 11:10: TP1A timed out restarted. Bypass BV1A required.

Monday, December 22, 2014, 11:11: Turbos at speed.

Monday, December 22, 2014, 11:11: Vacuum at 2.6 E-5 T

Tuesday, December 23, 2014, 08:27 : Vacuum at 1.8E-6 T

Tuesday, December 23, 2014, 08:51: Opened water. Vacuum stable at 1.7E-6 T

Tuesday, December 23, 2014, 09:05: No leaks found with leak detector. Base leak rate <7.7E-8 mbar-l / s

Monday, January 05, 2015, 09:28: Repeated leak check. Both doors. Sprayed He through service cap cover. No response above 2.4E-8 mbar-l/s base leak rate.

A copper rod - not used was removed from one of the cooling lines.

Shutting of water supply to the source box. Water not needed.

Vacuum at 1.7E-7 T

Corrected title from off to timed out . It seems the controller lost contact with the pump when I touched the rack. The pump recovered right back to 38 kRPM upon restart.

The valve closes physically, but does not receive the closed signal.

Cycled the valve multiple times before finally showing closed state.

SN 11-231 from VIC

Wednesday, January 21, 2015, 13:34: Opened water flow.

Wednesday, January 21, 2015, 13:42: 30 / 15 kV (BIAS / EZL)

Wednesday, January 21, 2015, 13:4: 40 / 20 kV

Wednesday, January 21, 2015, 13:54: No sparks.

Wednesday, January 21, 2015, 13:56: 50 / 25 kV

Wednesday, January 21, 2015, 14:0: No sparks

Wednesday, January 21, 2015, 14:11: 55 / 30 kV

Wednesday, January 21, 2015, 14:45: No sparks

Wednesday, January 21, 2015, 14:47: 60 / 30 kV and  37 / 122 uA

Wednesday, January 21, 2015, 16:00: No sparks.

Wednesday, January 21, 2015, 16:02: PS off.

Thursday, January 22, 2015, 10:18 : Started TBHT heating

Thursday, January 22, 2015, 10:26: Opened isolation valve

Friday, January 23, 2015, 09:45: 30 / 15 kV

ANODE 200 V
COIL 0 A
EE -1400

Friday, January 23, 2015, 09:46: TBHT auto heating to 280 A (235)

Friday, January 23, 2015, 10:05
COIL 5.4 A 4.9 V

 Friday, January 23, 2015, 10:13: 40 / 17 kV

Coil voltage limited. Reduced to 0 A - minimal impact on FC0 current.

Friday, January 23, 2015, 10:24: 50 / 22 kV

Friday, January 23, 2015, 10:42: 60 / 26 kV

Friday, January 23, 2015, 11:45: Sparking activity. Seen and heard by people in the area.

Friday, January 23, 2015, 12:00: Reduced current limit on BIAS PS to 0.10 (on the pot)

Friday, January 23, 2015, 12:04: A couple more sparks.

Friday, January 23, 2015, 12:05: Anode current limited since shortly after the large spark at 11:45

Friday, January 23, 2015, 12:11: 50 / 23 kV

Friday, January 23, 2015, 12:48 : Restarted turbos after the spark. TP1B and TP6

Friday, January 23, 2015, 13:16: 55 / 25 kV

Friday, January 23, 2015, 14:44: ~ 5 sparks / hour for the last 60 min

Friday, January 23, 2015, 15:49 : No sparks for the last 60 min. Cooling target.

Friday, January 23, 2015, 16:14: Source and HV off.

Monday, January 26, 2015, 11:15: TBHT at 235A set point

Tuesday, January 27, 2015, 10:13: Source on

Tuesday, January 27, 2015, 10:13: 30 / 15 kV

Tuesday, January 27, 2015, 10:59: COIL to 3.5 A

Tuesday, January 27, 2015, 11:15: 40 / 20 kV

Tuesday, January 27, 2015, 13:17: 50 / 23 kV

Tuesday, January 27, 2015, 16:56: No sparks for the last 3 h. 1 spark earlier.

Tuesday, January 27, 2015, 16:59 30 / 14 kV

Tuesday, January 27, 2015, 17:02: Cooling down target. Source and HV off.

Friday, January 30, 2015, 10:50: Optics section accidentally vented during work on the ER

Monday, February 02, 2015, 13:24: Roughing TMS section

Monday, February 02, 2015, 13:39: Starting turbos

Monday, February 02, 2015, 13:45: Turbos at speed

Monday, February 02, 2015, 13:49: Vacuum at 5.7 E-5 T

Tuesday, February 03, 2015, 09:00: Vacuum low 1E-6 T. Backing pressure high ~ 75 mT. Caused by TP6.

Tuesday, February 03, 2015, 09:01: Turbos stopped to investigate vent screw on TP6.

Tuesday, February 03, 2015, 09:40: Venting through TP6

Gasket on the TP6 venting screw had fallen off. Re-installed.

Tuesday, February 03, 2015, 09:57: Roughing

Tuesday, February 03, 2015, 10:32: Started turbos

Tuesday, February 03, 2015, 10:45: Turbos at speed. Vacuum at 1.3E-5 T

Tuesday, February 03, 2015, 09:40: Venting

RGA installed on the 12" CF port below the Source Tray.

Wednesday, February 04, 2015, 13:45: RGA turned on and mass scan performed.

 By controls group

The PLC CPU came out of the socket around 11:50am today (Dave Morris). The CPU had not been properly attached. This resulted in full stop of all power supplies and vacuum pumps.

Restarted vacuum pumps at 12:10pm (20 min later).

Tuesday, February 17, 2015, 14:35: Roughing. Doors were difficult to get to seal.

Tuesday, February 17, 2015, 15:11: Started turbos

Tuesday, February 17, 2015, 15:34: Turbos at speed. Vacuum at 6.7E-6 T

Thursday, February 19, 2015, 12:14: Starting system again after the power outage

Thursday, February 19, 2015, 13:27: The performance of RP1 has degraded. Edi flushed some air through, which helped a bit. It now takes longer to start up.

Thursday, February 19, 2015, 13:33: Vacuum recovered.

Thursday, February 26, 2015, 10:11: Stopped turbos

Thursday, February 26, 2015, 11:23: Venting

Thursday, February 26, 2015, 11:39: Stopped venting at 550 T. To be continued later

Thursday, February 26, 2015, 15:46: Started roughing. Doors needed a push.

Thursday, February 26, 2015, 16:23: Started turbos

Thursday, February 26, 2015, 16:39: Turbos at speed. Vacuum at 5.2E-6 T

Friday, February 27, 2015, 09:22: Water on. Vacuum stable at 1.6E-7 T

Friday, February 27, 2015, 09:30: RGA on

Friday, February 27, 2015, 10:32: HV on. Ramping to TBHT 250 A at 4A/min

Friday, February 27, 2015, 16:38: Source off

Monday, March 02, 2015, 14:00: Gas lines purged. Opening.

Fixed a air leak on one of the Swagelok joints.

Monday, March 02, 2015, 14:47: RGA with Ne Open

Total 3.5E0-7T, IG1 9.7E-8 T
20Ne 6.3E-10 T
22Ne 1.7E-10 T

Mass 18 1.6E-7 T

Tuesday, March 03, 2015, 09:58: Started heating

Tuesday, March 03, 2015, 16:33: Finished ER testing. First ER scans made on mass 4.

Wednesday, March 04, 2015, 14:32: TSG:CB1 found off. Switched back on.

Emittance vs EE voltage studied

Thursday, March 05, 2015, 09:02 : Ramping source back up to 285 A (TBHT)

Thursday, March 05, 2015, 15:12: The following devices were found off

TMS:Q6
TMSQ1
TPS:CBC

Friday, March 06, 2015, 08:51: Found TPS:Q3 off. Switched back on.

Friday, March 06, 2015, 10:51 : Ramping down source

Friday, March 06, 2015, 12:08 : Source and HV off. Closed IV.

Graham will be doing some controls work

Monday, March 09, 2015, 09:16: Ramping up the source. IV opened

Monday, March 09, 2015, 09:23: Source biased and optics tune recovered.

Monday, March 09, 2015, 16:51: Opened Ne leak

Wednesday, March 11, 2015, 09:06: Found TMS:Q6/Q1 and TPS:Q4 off. Switched back on.

Thursday, March 12, 2015, 16:57: Finished more ER data taking. See attached spreadsheet

Friday, March 13, 2015, 08:41 : TMS:CBC1, TMS:CB5, TMS:Q2, TPS:Q3, TPS:CB2 found off. Switched back on.

Monday, March 16, 2015, 09:13: TMS:CBC1, TMS:Q3, Q2, TMS:VCB1,CB1 found off.

Monday, March 16, 2015, 09:14: Bias off. Stopping turbos

Monday, March 16, 2015, 15:26: Venting

Roughed down on Friday 20th

Tuesday, March 24, 2015, 09:49: Turbos started

Tuesday, March 24, 2015, 09:59: Turbos at speed. Vacuum at 2.8E-6 T

EPICS could not communicate with devices. Contacted controls (Dave M)

Thursday, April 02, 2015, 14:45: Stopped turbos.

Thursday, April 02, 2015, 15:10: Started venting through turbo pump (to 16 T)

Thursday, April 02, 2015, 15:12: Venting through VV1

RGA stopped working. Likely after a spark yesterday.