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Semi permanent plumbing done, and machine up & running. May be a small leak from the hot water valve as I have noticed a drip which seems to come and go irrespective of valve usage. Functionally though the machine is brilliant, makes a great long black virtually every time on both the single and double baskets, and the misses are always obvious in cause - (new beans, small grind change needed is usually the problem). Now, I just need to tame the steam/milk interface........
JavaB exactly right as usual. O-ring was as hard as nails and broke apart when removed. Seat has very minimal surface deterioration, I am certain it will easily seal when under boiler pressure. Now I need to complete the permanent plumbing hook up so testing/tasting can resume!
The antivac valve on an LC should splutter at start up - as you suggest.
It should then seal totally (nothing coming out at all)... either the seat is damaged or corroded... or if you are lucky.... just the O ring will need replacement.
Thanks Mal, a wealth of information there alright. It seems the small "leak" I have noticed is relatively normal on this type of machine. I had expected a bit of a splutter at start up, but not an almost continuous tiny outflow. Any comments from owners of (older) La Cimbali machines regarding the output from this valve would be appreciated.
Just finished my first test run of my M27 Start. All seems to work O.K. except for a very small but constant leak/hiss from the anti suction valve. I will remove and inspect for the cause, but what does this valve actually do? P.S. love the "dry" steam this machine makes!
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