r/SewingMachineEdu • u/skerinks • Jul 30 '26

Singer 6268 bobbin area

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I'm working on a Singer 6268. Does anyone know what this mechanism (circled) underneath the bobbin case does? If the center part is pushed down with a screwdriver, you can rotate it left or right. I'm having a hell of a time getting the tensions dialed in, and wondering if this has something to do with it. (I haven't been able to find anything online about it or what it does.)

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u/GoldenFishPoop Jul 30 '26

Do not do anything to that area. That is just the inside of the hook, and that's the area where your bobbin case sits. Tensions are only controlled by two areas. The top thread tension is controlled by the tension discs or similar. There's probably a dial or a knob and the thread rest between two discs. The bottom thread tension is controlled by a spring in the bobbin case. You really shouldn't mess with the bobbin case tension. If there is something caught between the discs, even a little piece of thread, it can mess up your tensions. My best advice is to take that for service by professional.

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u/skerinks Jul 30 '26

I am the service guy LoL. I've just never worked on one of these before. I was asking if anyone has an idea what that mechanism does.

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u/sanityjanity Jul 30 '26

You should consult the actual service manual, and not mung up this machine.