Question about Janome Memory Craft 9000 Computerized Sewing Machine

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The bobbin grinds when I start to so

The bobbin makes a grinding noise when I start to sew. Especilly when I am doing a fancy stitch like applique. Once the machine is running, it doesn't grind anymore but evetually the bobbin thread get bound up underneath. I took it into the shop for repair, they reseaded the bobbin case and said it was fine. It still does not work though.

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Hi,

Sounds like a bobbin case related problem. Unplug the machine, then remove the needle plate to get access to the black bobbin case. Inspect the underside of it  VERY carefully for ANY marks or roughness. You can expect very fine 'scratches', but no chunks or rough bits.Now check the metal rim that the bobbin case sits on is PERFECTLY smooth. particularly look for any tiny burrs on the top or inside edge of the rim, or any sign of a needle hit. Should not be any! If there are, the mechanic shoul fix it at no extra cost cos he missed the problem. Whilst checking the bobbin case, look for ANY marks on the top surface of it. The SLIGHTEST mark WILL upset the sewing.

Hope this assists! 

Posted on Oct 22, 2007

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https://books.google.com/books?id=MQneD8cQ5KAC&pg=PA13&lpg=PA13&dq=mitered+applique+corner&source=bl&ots=1sHsUrkVAz&sig=1WZ-i2-T3RtvUEW797sHxTKiq4E&hl=en&sa=X&ved=0ahUKEwiaoZeiwunKAhVslYMKHewdDFEQ6AEIKzAC#v=onepage&q=mitered%20applique%20corner&f=false


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Practice, practice, practice!

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