 Tuesday, February 03, 2015, 09:40, Anders Mjos, , , , , , , Problems/Solutions, RGA installation 
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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. |
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Wednesday, January 28, 2015, 10:40, Anders Mjos, , , , , , , Problems/Solutions, Test Stand shut down for site wide power outage today
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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 |
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Wednesday, January 21, 2015, 13:40, Anders Mjos, , , , , , , In progress, HV BIAS Test
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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. |
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Tuesday, January 20, 2015, 14:31, Anders Mjos, , , , , , , Problems/Solutions, Ne leak disconnected for recallibration
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SN 11-231 from VIC |
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Monday, January 05, 2015, 09:20, Anders Mjos, , , , , , , Problems/Solutions, IV4 did not get close signal before the Hollidays
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The valve closes physically, but does not receive the closed signal.
Cycled the valve multiple times before finally showing closed state. |
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Monday, January 05, 2015, 09:06, Anders Mjos, , , , , , , Problems/Solutions, TSG:TP1A found to be timed out after the Hollidays
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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.
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Tuesday, December 23, 2014, 09:08, Anders Mjos, , , , , , , , Water closed for Christmas
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Shutting of water supply to the source box. Water not needed. |
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Monday, December 22, 2014, 11:06, Anders Mjos, , , , , , , Problems/Solutions, Copper rod removed
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A copper rod - not used was removed from one of the cooling lines. |
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Thursday, December 18, 2014, 16:38, Anders Mjos, , , , , , , Problems/Solutions, Leak found on service cap F/T Q 9 pin connector
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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. |
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Thursday, December 18, 2014, 14:34, Anders Mjos, , , , , , , Problems/Solutions, GE cooling water lines disconnected
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In preparation for leak check
Thursday, December 18, 2014, 16:37: Reconnected after leak check
Monday, December 22, 2014, 11:02: Water opened. |
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Tuesday, December 16, 2014, 10:18, Anders Mjos, , , , , , , Problems/Solutions, TP1B and TP6 stopped/fault
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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. |
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Friday, December 12, 2014, 14:09, Anders Mjos, , LP-FEBIAD, , , Tube only, , In progress, HV BIAS Test
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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
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Friday, December 12, 2014, 13:11, Anders Mjos, , , , , , , Problems/Solutions, HV inspection and cleaning
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by Ray D and Anders in preparation for 60kV test. Rack insulators and f/t insulators cleaned with windex |
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Friday, December 12, 2014, 13:11, Anders Mjos, , , , , , , Problems/Solutions, HV inspection and cleaning
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by Ray D and Anders in preparation for 60kV test. Rack insulators and f/t insulators cleaned with windex |
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Monday, November 24, 2014, 08:41, Anders Mjos, , , , , , , Problems/Solutions, TSG:RP1 replaced
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by Edi on Friday Nov 11th |
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Monday, November 03, 2014, 14:50, Anders Mjos, , , , , , , Problems/Solutions, IV4 did not close until 4th attempt
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Indicated with red valve on the EPICS vacuum page |
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Friday, October 31, 2014, 14:57, Anders Mjos, , LP-FEBIAD, , , Tube only, 38307-9, In progress, Test
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Friday, October 31, 2014, 14:47: Starting turbos
Friday, October 31, 2014, 14:57: Turbos at speed. Vacuum at 2.9E-5 T
Monday, November 03, 2014, 10:08 : Opened HS water circuit. Vacuum stable at 1.7E-7 T
Monday, November 03, 2014, 10:22: Starting auto ramping to 228A on TBHT at 1 A/min
Monday, November 03, 2014, 13:44: Target at temperature. Opening IV4.
Monday, November 03, 2014, 14:45: IV4 closed
Monday, November 03, 2014, 15:00: Starting cool down. 1 A/min |
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Monday, October 27, 2014, 09:26, Anders Mjos, , , , , , , Problems/Solutions, TSG:TP1B noisy
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e-fault 7748
Monday, October 27, 2014, 09:21: Switched off turbos
Friday, October 31, 2014, 10:43 : Venting
Friday, October 31, 2014, 14:3: Turbo replaced by vacuum group |
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Monday, October 20, 2014, 09:17, Anders Mjos, , , , , , , Problems/Solutions, Power bump this weekend tripped off all turbo pumps
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Monday, October 20, 2014, 09:17: Roughing
Monday, October 20, 2014, 09:18 : Turbos started
Monday, October 20, 2014, 09:29 : All turbos at speed
Monday, October 20, 2014, 10:11: Switched on optics |
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Tuesday, October 07, 2014, 09:32, Anders Mjos, , , , , , , In progress, Pumping down empty chamber
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Tuesday, October 07, 2014, 09:30: Roughing
Tuesday, October 07, 2014, 10:24: Starting turbos
Tuesday, October 07, 2014, 10:32 : Turbos at speed. Vacuum at 3.3E-5 T |
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