[Hallb-engineering] [New Logentry] Follow-up Re: Follow-up Re: Follow-up Re: Follow-up Re: Follow-up Re: Hall B 4K cryoshutdown

kashy at jlab.org kashy at jlab.org
Thu May 24 09:45:03 EDT 2018

Logentry Text:
CPV603QB is in the shut state due to CAMAC work at ESR. CPV603QA and C are open because they have mechanical stops holding them open. I don't know when those stops were installed, but we need one in Hall B too.
I'm backing down on our supply pressure to limit the venting of helium. 
Cryo will work to get our QB valve open


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