| sewing machine repair from Dr. David Trumbles | | | | while the needle goes down. On the back and just |
| excellent courses and sewing machine manuals. | | | | above the eye is a cut out space known as the scarf. |
| Download a copy of his free beginner's course. | | | | The scarf must be at ninety degrees to the lower |
| ">Skipped stitches are a problem. | | | | looper. Make sure the needle is straight forward and |
| What can you do about them? | | | | properly seated in its holder. Use the right needle for |
| Have you ever started sewing with your serger, only | | | | the application you are doing. |
| to look down and see missing and skipped stitches? It | | | | When the needle bar is jolted by the needle striking |
| can be very upsetting. Why is it so hard? Maybe, | | | | hard surfaces or breaking needs, the needle bar can |
| because sergers are more complicated than ordinary | | | | be forced out of alignment. A professional sewing |
| sewing machines or because the run so much faster. | | | | machine technician should realign the needle bar |
| Good quality serger stitches are consistently formed | | | | properly. |
| stitches with properly balanced tensions, and all threads | | | | Next, faulty threading may cause skipped stitches or |
| lying evenly in place. Good quality stitches have an | | | | no stitch situations. Rethread the serger making sure to |
| obvious absence of loops, puckers, skips, irregularities, | | | | thread it in the correct order and manner. Be alert to all |
| and broken threads. | | | | related issues. Are there any possible snag spots? |
| Two problems are especially problematic for users. | | | | Make sure the surfaces are all smooth and that each |
| First are skipped stitches, and the second, are stitches | | | | thread flows smoothly. |
| that fail to form at all. The root causes of both of | | | | Not all threads are equal. Some thread work better, |
| these issues may be traced to needles, threads, | | | | some worse. Rethread with separate color threads or |
| threading, tensions, snags, needle height, or timing. | | | | easier tracking. Make sure tensions are right. |
| There is no automatic quick fix. Rather to solve | | | | Generally, sergers work on all fabrics, however, certain |
| skipped stitches and stitches that fail to form requires | | | | challenges can emerge with super thin, slippery, or |
| a careful study of the typical causes in order to | | | | thicker fabrics require accommodations. |
| eliminate them one at a time. | | | | When the causes of skipped stitches increases due to |
| How do you diagnose the causes of skipped stitches? | | | | neglect or lack of resolution, the problem will often lead |
| How do you fix skipped stitch and unformed stitch | | | | to failure of stitches to form at all. |
| problems? The process of analyze the is a matter of | | | | If you solve skipping stitches, you will automatically |
| eliminating possible causes one at a time. The most | | | | solve unformed stitch problems. When starting to |
| common causes of skipped stitches involve needles, | | | | serge, remove the threads from the stitch finger and |
| threading, thread, faulty tensions, fabric, and misaligned | | | | pull the threads under and behind the presser foot. |
| needle bar or loopers. | | | | Diagnose and resolve issues by replacing, rethreading, |
| Needles are the first item to consider. Swap them | | | | readjusting, and processing each possible cause until |
| frequently, at least every four to five projects. Needles | | | | you have eliminated each one. If these measures fail |
| tend to grow dull with use. They often break, develop | | | | to resolve the issue, you may need to have the serger |
| burrs, or bend. Avoid needle damage by avoiding pins | | | | professionally serviced to adjust the needle bar height |
| and debris while serging. Take care to properly seat | | | | or looper timings. |
| the needles when reinstalling them. | | | | Learn details about sewing machine repair from Dr. |
| Serger needle positioning is critical. Some sergers use | | | | David Trumbles excellent courses and sewing machine |
| ordinary sewing needles that have flat back tops, but | | | | manuals. Download a copy of his free beginner's |
| many use special needles with rounded tops. On the | | | | course. |
| front of the needle is a groove for the thread to ride in | | | | |