Zig zag settings - Necchi 4575 Mechanical Sewing Machine

SOURCE: Zig Zag Skip Stitch

your machine might have a problem with the rotary hook, it might need to get timed by a professional. 

SOURCE: the zag part of zig zag won't work

i believe your machine is skipping the stitch on the RIGHT side as you sew and this is normally a timing problem. Lower your needle about 1/16 inch and try it . It might work to finish your project but it will need to be serviced to have the timing corrected.
sewman7

Ellen Den Dulk

• 25 Answers
• Posted on May 08, 2009

SOURCE: zig zag stitch

If your stitches do not look good on the top side you have a problem with the bottom thread. make sure you have the correct bottom tension: Is the thread under the bobbin tension plate and when you hold the bobbin and case lightly in your hand the tension should be set in a way that there is little resistance , yet still some, when you pull the thread. After you set your bobbin tension, you may have to adjust your top tension to balance. Also make sure the thread comes off of your bobbin the way your manual tells you, clock or counter clock wise.
Make sure your bobbin (plastic) is not sooooo old, buy a new one.

SOURCE: only does zig zag stitches, no straight stitches,

make sure the pattern selector is set for straight stitch first. If it is set correct then the machine may be "stuck" is zig zag mode. May need to be de greased and then re lubricated.

SOURCE: Necchi Sylvia zig zag not working .needle moving

First change the needle, if that fails you may need to retime the machine, if you are sewing on static fabric such as silk or jersey make sure you use the correct needle.