Question about Bernina Bernette 75

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My Bernette 203 will not cut the material or thread. I need to know the correct placement of the cutting knives.

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First to see if the top blade is pressing against the lower blade when it goes past to make the cut.
You should be able to push the top blade to the right and have it spring back to the left. Do that to see if there is a small amount of presser on the lower blade.

Next, the cutting part of the top blade should drop just under the lower blade buy about 2 mil.

Also the lower blade should be level with the needle/stitch plate.

Blades also may need sharpened. The top one can be done with just about any sharpening tool but the botom is carbide so you will need a dimond wheel to sharpen it

Hope this helps

Posted on Apr 11, 2011

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Posted on Jan 02, 2017

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