Things You'll Need:
- Small screwdriver
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Step 1
Consult the manual to your serger to determine the kind of needles your machine needs.
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Step 2
Once you have the needles, look at how your machine holds them in place--usually with a screw.
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Step 3
Unscrew the old needles and throw them away.
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Step 4
Look at the top of your old needles: You will note a flat edge and a rounded edge. In most sewing machines and sergers, the flat edge will be facing you when it's inserted in the slot.
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Step 5
Push the new needle as high as you can into the slot.
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Step 6
Use the small screwdriver to screw in the new needle.
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Step 7
Serge a test strip to make sure the new needle is working.










