john.worden@LIGO.ORG - posted 15:45, Wednesday 14 January 2015 - last comment - 16:26, Wednesday 14 January 2015(16074)
XEND Pumpdown
Kyle and Gerardo opened the XEND to the beam tube today.
The turbo was valved out, the ion pump valved in, and the gate valve to the tube/80K pump opened.
Plot attached. The pressure has fallen from 1e-6 to 8e-8 and is still moving the right way.
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The clean room remains on at X-end, righ above BSC9, clean room will be dealt with by facilities tomorrow.