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Leak in MS

Question asked by carolpollard on Mar 22, 2019
Latest reply on May 2, 2019 by james_jenkins

Hi all,

 

We've been having what looks like a big Nitrogen leak, which on the water and air check showed Nitrogen was at 3000%. We think we managed to isolate it by capping the MS and the nitrogen showing even higher abundance which suggests its to do with the MS. We only just installed a brand new o-ring in the sideplate as a recent engineer visit for a routine PM showed there was a small leak. But now after the visit the leak seems even bigger! The leak did decrease slightly after installing the new o-ring but it continues to be very high.

 

Any ideas of what else could be causing the issue? We tried to use Argon to detect a leak but have had no luck

 

Thanks!
Caroline

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