kyle.ryan@LIGO.ORG - posted 17:05, Tuesday 23 July 2013 (7188)
Pumping spool annulus at X-mid
Vented spool (in place of iLIGO BSC5) annuli -> No inner O-ring leakage -> removed temporary O-ring valves from bolted joint pump ports and connected permanent ion pump piping -> pumping annulus system with aux. cart overnight