Question about Bernina Virtuosa 160
I run the zig-zag stich to do applique. My white thread is coming out a dirty grey and black. I thought this was oil/dirt in the machine so I cleaned it as best I could. I then took it to be serviced and cleaned and it came back even worse. There is black dirt coming out all over the stiching.
The machine is a Bernina Virtuosa 160
Is this the top thread or your bobbin thread? The technician should have pulled out the tension disk assembly and cleaned it, not just spray more lubricant/cleaner on it. Is this a Bernina certified shop?! Take it back and get him to do it again right, it sounds like carbon/dirt build up in the disks. Have him pull the assembly apart and make sure it's not something else wrong with the disks themselves like oxidization etc.
If it's your bobbin thread.. your bobbin case is just dirty and the spring needs to be cleaned.
The thread doesn't really touch any other parts of the machine, hopefully your technician isn't using grease as this just causes more headaches for attracting more lint and then dirt.
Posted on Apr 17, 2009
It can only be coming from somewhere in the thread path. This could also be coming from below the needle plate. Clean everything with a q-tip real well. Take the hook out and clean below the needle plate from undernieth. A common placed missed.
Posted on Apr 21, 2009
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Posted on Jan 02, 2017
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