Question about Sewing Machines
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Posted on Jan 02, 2017
SOURCE: stitch and looper problems
Hi softy...please regain your patience and optimism and I'll do my best to help you correct the issues that are plaguing your serger. It is obvious that you are skilled in your craft and operation of your serger, so I have very little doubt that we have a minute issue that's causing your headaches, so I'd like to begin with the very basics, and as we communicate through our posts we can advance until we resolve your issue. Your confidence tells me that you do not have a threading error, and as you have experienced in the past, thread that lays down while leaving the presser foot commonly indicates improper or no tension on the blades. I have a feeling that you have color coded "marks" on your tension dial's for standard settings per fabric/weight. So let's turn all of your tension dials to maximum. Ensure that your presser foot lever is in the full up position, and lay your thread between the tension discs, of a single tension dial that you want to begin with. After visually verifying that your thread is thoroughly between discs, lower your presser foot, grasp either ends of your thread, and "floss" the tension. Do you feel appropriate resistance being applied on the thread? If yes, repeat the same steps until you have cycled all 4 tensioners. If you did not, or do not feel appropriate tension on any or all of your discs, then the following arm, located in the head, immediately above your presser foot lever has become lodged, and is not releasing. Using lightweight sewing machine oil, apply 1 drop at a time on the following arm, and using your fingers, work at it until it becomes free. If you have determined that you do not have any tension issues...on the serger...not your mind hehe...then open the blade cover. Turn the serger 90 degrees so that you are looking at it from the head facing you. Examine the trueness of your blades, meaning, do any blades look bent either towards the serger or away from the serger? If yes, I'm sure you know what you need to do. However, if they do appear to be true, then get a piece of toilet tissue, and separate it so that it becomes single ply. Place the single ply of tissue on any finger, ensuring that it is smooth and taut, and gently press against your blades and rub them back and forth using slow even strokes. If you felt any resistance, stuttering or tearing of the tissue, repeat again with a new tissue to verify what you had felt. If you did discover any verified flaw using this method..again....you know what you need to do. Please update your post after you have completed these first steps regardless of resolution or not, so that other's with similar issues can gain the information of your experience, and perhaps not have to endure post-tag-you're-it-and-wrong and correct their issues on their own. I will monitor your post, and should we need to advance our troubleshooting, I will update you within 1 day of your follow-up post.....good luck my friend.
Posted on Aug 03, 2007
I was having this very same problem with my lower looper . I had been using the one needle stitching all afternoon and I was doing quite nice stitching. then I decided to put the right needle back in and do some overlock stitching and guess what I spent the next two hours fighting the looper problem. I had completely re-thread this machine at least 20 times now. I decided to take the needle out and re-insert it and re-thread it one more time (right lower looper- then upper looper- right needle- then left needle) was careful to pull all threads to the back and under the presser foot for about 6 inches.
Held on to the thread, lowered presser foot and did the chaining stitch. BINGO it didn't break, tried it with a piece of cloth and Perfect stitches. I have a Babylock BL402 and used tension settings left to right
4-3-3-3 and default settings for the rest.
Hope this helps someone someday.
Posted on Mar 29, 2009
Been there, done that. Old serger almost went out the window more than once.
Raise the thread antenna and loopers to their highest positions.
Set the tensions to zero. If your serger has auto-tension, raise the presser foot as this also opens the tensions.
Begin threading from the right as indicated in your manual or on the door of the serger.
If this continues, the serger may need to be serviced as the timing could be the problem.
Ask before leaving the serger as the service cost usually starts around $100.
I finally gave in and bought a Babylock with instant jet-air threading.
Posted on Apr 01, 2010
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