The instruction manual (https://www.manualslib.com/products/Janome-Myexcel-23x-Mx3123-3787947.html) page 23, "Infinite needle position," has one likely answer - you can shift the needle from center towards the left using the infinite needle position control. This can be used to center a zig-zag stitch in the presser foot - just move the needle position half the distance of the stitch width.
There could be several reasons why the thread on your New Home SW2018 sewing machine is not catching the bobbin and the stitches are coming out too large. Here are a few possible causes and things you can try to troubleshoot the issue:
Bobbin tension is too tight or too loose: The tension on the bobbin should be just right in order for the thread to catch and form proper stitches. Check the bobbin tension and make sure it is set correctly.
Needle is not properly inserted or is damaged: Make sure the needle is fully inserted and tightened in the machine, and that it is not bent or damaged.
Upper thread is not properly threaded: Make sure the upper thread is properly threaded through the tension discs and the take-up lever.
Machine is not properly lubricated: Lack of lubrication can cause the machine to perform poorly and produce uneven stitches. Make sure the machine is lubricated according to the manufacturer's instructions.
Machine is not set to the correct stitch length or width: Check the stitch settings on the machine and make sure they are set to the correct length and width for your project.
I hope this information is helpful. If you have tried these troubleshooting steps and are still experiencing problems, it may be best to seek the help of a qualified sewing machine repair technician. They will be able to diagnose and fix any issues with your machine.
There could be a few reasons why the stitches on your New Home 910 sewing machine are tight and the fabric is not feeding forward properly. Here are a few things you can try:
Check the tension: Make sure that the tension on your sewing machine is properly adjusted. The tension controls how tightly the thread is pulled through the fabric. If the tension is too loose, the stitches will be too loose, and if it is too tight, the stitches will be too tight. You can refer to your sewing machine manual or a tension chart to help you adjust the tension properly.
Check the needle: Make sure that you are using the correct needle size and type for the fabric you are sewing. Using the wrong needle can cause the stitches to be too tight or too loose, or it can cause the fabric to bunch or pucker.
Clean and oil the machine: Make sure that you are regularly cleaning and oiling your sewing machine to keep it in good working order. Debris or lint can build up in the machine and cause problems with the stitching.
Check the feed dogs: The feed dogs are the small teeth that move the fabric through the machine as you sew. Make sure that they are not clogged or damaged, and that they are properly aligned with the needle.
Seek professional help: If you have tried these steps and are still experiencing problems with your sewing machine, it may be necessary to seek the help of a professional. A qualified sewing machine technician will be able to diagnose and repair any issues with your machine.
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Feedback
I believe it's related to the feed dogs. Remove the needle plate and clean the area of any debris. If you recently broke a needle, a piece of needle may have jammed the feed dog mechanism.
The manual is available as free download with no registration required at the following;
New Home: Brochures/maintenance instructions/info etc. New Home attachments. PEGASUS. Various models (parts manuals). PFAFF. Pfaff 463 industrial ...
Google thinks your machine is a Bernina, so New Home would be the Model Name and 1300 is the model number. There is also a Brother 1300.
https://www.google.com/search?q=new+home+1300+sewing+machine+manual
..
Loop and nesting on bottom side is usually top thread tension too loose (no tension) but can be bobbin thread tension issue. Be sure to thread per machine instructions.
See following Singer video... testing top thread tension.
https://www.youtube.com/watch?v=O7N4XaIV6ms
Test tension of top thread.
With needle up, presser foot up, and tension select = 4, thread machine. Then make a long slow steady pull of top thread. The thread should advance smoothly through needle eye without snagging from top spool. Now lower foot and make another long slow steady pull of thread. Again it should advance smoothly through the needle eye. Note difference no tension (foot up) and selected tension (foot down).
If no difference in foot up/down tension then something wrong with the tension selector or not threaded properly, consult machine manual.
You can do a similar test of bobbin thread tension. Make a slow steady pull of bobbin thread. It should advance smoothly from bobbin with tension similar to top thread with tension =4. If bobbin tension is similar to top thread foot up, then likely bobbin thread has escaped bobbin tension spring... reload bobbin per machine instructions.
http://www.sewingshop.com/574MANUALPDF.aspx I have no idea if this is the right manual, but it is absolutely the only thing I could find...and you have to pay for it. I would contact these people and verify that it is indeed for your machine....annnnnd, that machine is absolutely gorgeous...sews like a dream! I hope that helps, good luck.
