Main INDEX
Monthly INDEX
PREV
NEXT
User name hcf
Log entry time 14:50:04 on December 11,2001
Entry number 44675
keyword=reset vac pumps on top of sos
Walter and I reset the vacuum pumps on top of the SOS which service the
"A"-can. They have certainly been off since the power failure yesterday
(12/10/01). Bad vacuum in that area would increase the Moller heat load
as well as make the target cryo behave badly.
We cannot find a TV camera angle that will show any indicators on the pump
itself, but Paul B. said that there is a ring of ice that formed on the transfer line
between the A and B cans as a result of the pump being off. That ice is now
melting. The ice ring is visible from the upstream hall camera.