Bernina dating vintage

Posted by / 29-Oct-2017 17:26

The first thing to do is to remove all dust and fluff, wherever you can find it.Between the feed dogs is a favourite place for it to collect.In the case of a vintage machine that has been out of use for a long time, the mechanism may be very stiff or have seized up completely.Oil it thoroughly (but wiping away any excess) and leave it for a while for the oil to penetrate. It's important to check the bobbin tension as you will get poor results and possibly broken or snagging thread if it's wrong.

Run your finger over this and if it feels rough (probably due to needle strikes) then smooth off any burrs with fine emery. In the case of a second hand machine, make sure that all the bobbins that came with it (and any extra ones that you buy) are of the right sort.Remove the needle, the foot and the needle plate to facilitate cleaning.The needle plate is a plate beneath the foot with cut-outs through which the feed dogs protrude, generally secured by one or two screws.In modern top loading machines the bobbin is dropped horizontally into a mechanism in front of the needle plate.Many very old (like pre-war) machines have a completely different bobbin fitting into a bullet-shaped shuttle which is thrown through a loop in the upper thread to make each stitch.

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Anything that moves needs oiling on its bearings, joints or sliding surfaces, except for nylon gears, wheels or cams - these are generally greased for life. Never use bicycle oil, or motor oil, or grease, or olive oil, or Vaseline, or anything else. Apply no more than a drop of oil to each bearing or connection.