ELOG Solenoid

Solenoid logbook

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Entry time:	Wed Jan 15 13:55:35 2025
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> Started M9B MYCOM helium compressor circulating helium through system last > Friday. Right hand purifier was regenerated previously, LN2 fill system > started and flow started from buffer through purifier to low pressure > return line to compressor. Left in this mode over the weekend. Curtis came > in on weekend to add new full LN2 dewar to purifier. > > Started // warm return cooling Monday. > Tuesday morning solenoid temps about 35 K and TI121 about 35 K so > switching to // cold cooling. > > Note: > > PDI 104 guage is very slugish to respond, needs to be replaced or cleaned. > TI148 and TI149 need to be recharged with helium, they do not work yet. > TIC121 may be reading too high a temperature, try to verify it with TE147 > before JT effect begins. Now TI121=20.7 K TE147=25 K HIC155 is full > open still. > LIC108 is reading too high, reads 22% LHE but really is no LHE at this > point. Encoding: HTML ELCode plain Suppress Email notification

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