 Tuesday, May 15, 2012, 09:46, Rick Maharaj, , , , , , , , target reinstalled pumping started
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Wednesday, May 16, 2012, 16:01, Anders Mjos, , , , , , , Problems/Solutions, Loose chip of insulator material detected 
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A chip of insulator material was detected below the lower target insulator stand-off (attachment - left picture). The chip may come from the tube
heater insulator above (attachment - right picture). The chip will be further investigated when the target is removed. |
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Wednesday, May 16, 2012, 18:10, Aurelia Laxdal, , , ITE, TM4, , , , SiC#27 cooling down
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Today: did a mass scan at 580A on TGHT and 230A on TBHT at 30kV. Found some A/q units discrepancies on the mass scan page. It may be a hall probe problem:
under investigations.
Uploaded the testing file on Docushare: http://documents.triumf.ca/docushare/dsweb/View/Collection-8539/Document-56575 |
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Wednesday, May 16, 2012, 19:55, Friedhelm Ames, , , , , , , Problems/Solutions, Hall probe reading wrong
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During the mass scan today it was discovered, that the mass calibration was off. Further investigation showed, that the Hall probe readings are a factor
of 1.31 lower than during previous measurements. A fault report has been issued to controls. |
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Thursday, May 17, 2012, 15:14, Anders Mjos, , , , , , , , Pumping down empty chamber
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Thursday, May 17, 2012, 15:14: Started roughing. Cooling lines blanked off.
Thursday, May 17, 2012, 16:52: Starting turbos.
Thursday, May 17, 2012, 17:00: Turbos at speed. Vacuum at 1.5E-5. |
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Thursday, May 31, 2012, 14:46, Anders Mjos, , , , , , , , Venting in preparation for Ta#38
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Thursday, May 31, 2012, 14:46: Switching off turbos
Thursday, May 31, 2012, 15:05: Venting |
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Monday, June 04, 2012, 11:40, Anders Mjos, , , , , , , In progress, Empty chamber
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HS water lines blanked.
Monday, June 04, 2012, 11:40: Roughing.
Monday, June 04, 2012, 11:58: Starting turbos. |
 Tuesday, June 26, 2012, 16:06, Anders Mjos, , , , , , , Done, Vented
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Anders Mjos wrote:
HS water lines blanked. |
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Tuesday, June 26, 2012, 18:04, Anders Mjos, FEBIAD anode end cap test, , , , Tube only, 38307-9, In progress, FEBIAD anode end cap test - ready
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Testing FEBIAD anode end cap as per dwg ITD0304 REV C
Target with TUBE ONLY. Do not use target heater.
Tuesday, June 26, 2012, 18:03: Roughing |
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Tuesday, June 26, 2012, 18:30, Anders Mjos, , , , , , , Problems/Solutions, Crack in source tray insulator
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| A crack in the insulator ITD0054 was observed while mounting the target assembly. See attachment. |
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Friday, June 29, 2012, 13:39, Friedhelm Ames, , , , , , , , start mass scan
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| start mass scan to do new mass calibration |
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Friday, June 29, 2012, 15:02, Friedhelm Ames, , , , , , , , mass scan finished
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mass spectrum saved as
plotdump-local-clean.txt_Jun29_12_14-55-43.txt
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Friday, June 29, 2012, 15:03, Friedhelm Ames, , , , , , , , start ramping down heater
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Friday, June 29, 2012, 16:39, Friedhelm Ames, , , , , , , , mass scan finished
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Friedhelm Ames wrote:
mass spectrum saved as |
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Tuesday, July 03, 2012, 09:23, Friedhelm Ames, , , , , , , In progress, start up again
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| purged Ne line and started cathode heater ramp up to 295 A |
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Tuesday, July 03, 2012, 19:05, Friedhelm Ames, , , , , , , Problems/Solutions, short in anode
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| A short in the anode has developed during the heater ramp up. Increasing the current limit did not cure it. Start heater ramp down to investigate. |
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Wednesday, July 04, 2012, 09:22, Friedhelm Ames, , , , , , , Problems/Solutions, turbo pumps stopped
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| turbo pumps stopped to prepare for venting for anode short investigation. |
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Wednesday, July 04, 2012, 13:07, Anders Mjos, , , , , , , Problems/Solutions, water lines purged
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Friedhelm Ames wrote:
turbo pumps stopped to prepare for venting for anode short investigation. |
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Wednesday, July 04, 2012, 15:33, Anders Mjos, , , , , , , Problems/Solutions, short in anode
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Friedhelm Ames wrote:
A short in the anode has developed during the heater ramp up. Increasing the current limit did not cure it. Start heater |
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Wednesday, July 04, 2012, 15:37, Anders Mjos, FEBIAD anode end cap test, , , , , , In progress, Pumping down
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Replaced grid containing ring (target side) with new ring. No contact between target and anode measured in lab.
NOTE: While closing up the VCR fittings the tube rotated causing the tube to flatten in a bend. This may reduce water flow on the heat shield circuit.
(see attachment) |
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