Mon Nov 29 09:28:16 2004, Doug Preddy, Normal Running, Buffer tank empty
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Came down to check on system. CV211 was fully open, trying to charge the
system. Ripples on LHe in and PL neg. CV141 fully closed. I closed CV147 to
0.45 to try and move CV141 open. Checked the buffer tank pressure, it was
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Tue Nov 23 11:35:44 2004, Doug Preddy, Quench Recovery, Another power bump
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Compressor tripped off again due to a power bump. Meson hall water off, so
vacuum pumps off again.
Pumps back on , vacuum pumps on, starting compressor. |
Thu May 6 09:32:13 2004, Willy Andersson, Quench Recovery, Additional notes from last night power lead problems.
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When performing last nights refrigerator adjustments I also increased the
compressor discharge pressure to 11.25 barA. Also the backup air compressor
was tripped off again and I reset it. Finally I opened the city water flow
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Thu Oct 5 11:51:53 2006, Doug Preddy, Start Up, Adde 2 bottles UHP Helium
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Valved off purifiers, but left LN2 on. |
Fri Nov 9 16:24:33 2007, Doug Preddy, Maintenance, 2APLC Died
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thumb wheel panel all lite up. 2APLC rebooted by Klara (Thanks). M9BMP2 not
pumping properly. Edi is looking at it. |
Wed Aug 9 06:44:58 2006, Willy Andersson, Quench Recovery, // cold mode cooling continues.
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After restarting flow to the solenoid yesterday in // cold return mode
TIC121 just refused to go lower than about 29K even when we closed CV155
all the way. Tried various things, switching to // warm return, changing
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