Question about Sewing Machines
I changed some of the settings on the stitches but I don't believe the back button is stuck
A machine reverses by reversing the rotation of the feed dogs. Make sure there are no bits of material or thread in the lower rotating mechanism of the feed dogs that are preventing it from moving back to its normal position. You probably have to remove the thread plate, bobbin, and bobbin holder to access this area. Use the hand wheel to manually operate the mechanism to see if you can locate the problem.
Posted on Jun 03, 2015
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Posted on Jan 02, 2017
There are numerous things that can cause this, some very simple, some less so.
1. Fortunatly, the most common one is also the simplest to cure. When you turn the selector (upper left) knob between stitches, one of the things that is happening when you feel the resistance is that it is lifting the followers off the camstack so that it can move to another stitch. When the camstack is normally doing its job, lifting the feed cam follower is what puts the mechanism in reverse. So, while the selector is between stitches, the machine is temporarily in reverse. Also, the dots where the dial is to be placed to change the camstacks is between stitches, so if the dial is on these dots or anywhere else except snapped into a stitch, you will get nothing but reverse.
2. The buttonhole mechanism is stuck in the reverse portion of the buttonhole. Usually if this is the case, the needle position will also be stuck on the left side, and the width control /buttonhole control will not function correctly. Usually you can correct this yourself and I'll explain how in a bit. It is usually caused by lack of use of the buttonhole mechanism.
3. Either the arm that connects the camstack to the stitch length block or the block itself is stuck. Both these parts are spring loadedto bring them in the forward position, so long periods of rest are a contributing factor.
All of these causes except for the first one are because of the mechanism not being exercised frequently enough. These older Vikings do not like to sit still very longYou should fully exercise all the knobs at every sitting.
Ok, try this fix. And this is to free up the mechanisms that are probaby stuck from non use and old oil and grime buildup. Take your seamformer (cam) out of the back. Find a hairdryer and blow some heat in there for awhile. This will soften up any hard oil or grease that may be causing the mechanisms to stick. Then if you can it would be best to have what is called TRI-FLOW oil (the BEST) and spray or drop quite a bit into there covering the mechanisms and let it soak in. You might try a good sewing machine oil soaking or WD-40 in small amounts. Little by little test your knobs, slowly working whatever is stuck lose. Never force the issue. Small amounts of movement little by little will eventually free it up.
Good luck. Hope this helps. If this does not help you may have to take it to a technician and hopefully you won't find out that your take up slide isn't broken which is a major job.
Posted on Nov 25, 2007
Hey. It's full out possible that you have it on the right setting...but concider this - the switcher inside the sewing machine could be broken (ie. It's moving to different stitches - but not the one you have the outside set for)
It happened to me (pc o crap singer model)
Posted on Jan 24, 2008
MOdel 6430 has the stitch length and buttonhole selector on the same knob. It is the one on the bottom right side of the machine. I believe you may have selected the buttonhole by pulling out on the large round knob. You need to turn the knob back to 0 zero and push in. This should return the machine to normal mode.Adjust your stitch length to 3 and try it. The reverse knob in the center should also stick out so that it becomes operational again.
Posted on Jun 05, 2008
SOURCE: Machine sews only in reverse
Be sure you are in the correct stitch pattern...if you are on a buttonhole stitch or a stretch stitch it normal for the machine to sew backwards. Be sure your length is to the right of 0 and not in a strtch stitch model or buttonhole mode.
Posted on Jul 29, 2008
I had a similar problem a couple of years ago. I finally figured out that I had the straight stitch needle plate (the one with the single hole), rather than the zig zag needle plate (the one with the curved hole). When I changed plates, it worked fine.
Posted on May 27, 2009
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