Shutdown work in progress

On July 18, 2018, Posted by , In Operations, With Comments Off on Shutdown work in progress

ALS is down for the month of July and the first week or so of August. We are taking the opportunity to do a bunch of preventative maintenance on our beamlines. Some of the items include:
– cleaning the Be window on 502 (may help to decrease scatter in images)
– replacing air lines
– flushing the 501/503 monochromators
– drying out and cleaning all cryojets
– drying out and replacing various parts on the 821 and 502 cryocoolers
– replacing power supplies on detector PCs
– replacing the 501 dewar insulation and lid interface
– replacing the 501/502/503 LN2 innerter valves (they have become leaky over the years)
– replacing detector chiller coolant and rebuilding of the vacuum pumps
– upgrade CentOS on all linux boxes

Thank you for reading!

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