Singer 3321, 3323, 4423, 4432 thread threader
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Description of the Singer 3321, 3323, 4423, 4432 thread threader
A Singer threader is for all these models that came with an automatic threading function.
- This part is intended for people who have the knowledge and experience to repair this part
The Singer thread picker is easy to replace yourself.
- Insert a new system 130/705 thickness 80 needle.
- Raise the needle bar to the upper position by turning the handwheel.
- Push the threading lever all the way down and turn it forward.
- Perform a visual check and make sure the hook is centered exactly in the center of the needle eye.
- Tighten the screw, and check that the hook is still centered in the center of the needle eye.
