Threading a bobbin for White sewing machine model 425

SOURCE: white sewing machine model 1620

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SOURCE: bobbin thread bunches up creating a tangled mess under the plate

This could either be due to the bobbin being wound too loosely, or the tension on the top thread is too loose. This just happened to me the other day, and I thought it was the bobbin thread, but then I put another bobbin in with a different color than the top thread (this is a huge help in diagnosing thread issues), and I was surprised to find that it was actually the top thread that was a big loopy mess on the underside of the fabric. I fixed it by tightening the tension on the top thread (quite a bit), and everything was fine.

SOURCE: bobbin threading

I need to find a needle threader for a sx 2122. I am find it impossible to find one. I lost the little spring that goes in it. Please help

SOURCE: 6022 necchi sewing machine

There is a site that has instructions with how to thread the machine properly. Click here for the www.sewusa.com threading section

SOURCE: Singer Pixie - trouble threading bobbin

look at the bobbin direction. if it dont pick up that way, change the direction