I tried the trick with the back of a screw driver as mentioned in your link, and indeed this works! The short is gone. Not sure what has been the reason, could still have been some metal sputters I suppose. I don't see anything floating around inside the tube, but of course it could also be too small to see....
Michel On Dec 7, 7:24 pm, Dekatron42 <[email protected]> wrote: > I've had problems with swarf and small cut off pieces of electrodes inside > some Nixies and also Dekatrons, this has mostly happened tubes manufactured > by Mullard. I also read on another forum that this happened to a lot of the > Anita Calculators which used Mullard manufactured ZM1080's, here: > *http://www.vintage-radio.net/forum/showthread.php?t=73142*<http://www.vintage-radio.net/forum/showthread.php?t=73142>. > In some Dekatrons the loose pins could be shaken around, but in some cases > I had to hit them hard, after they had formed a short to get them loose > again. Sometimes there were burn marks left which meant that there was an > occasional flash over and in some cases there was a permanent path for the > current to pass through. I've had this problem with Z504S and Z505S plus > the ZM1050/Z550M. > > /Martin -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
