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Hi I have a pfaff industrial zig zag 428, the bobbin has stopped all rotation

The needle shaft is working fine as is the feed.... Have lifted the machine over to view underneath and I am guessing something has come loose in the drive shaft that moves the bobbin outer case area??? appreciate any suggestions... Thank you!!! Vanessa

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Bobbin case should be stationary, bobbin itself is rotated as thread unwound, check hook timing. Simply turn hand wheel towards you and watch needle go down, when it reaches lowest point turn it slowly until needle rises 3/16" or so. Hook should be behind needle and slightly above eye.

Posted on Feb 19, 2014

Testimonial: "Hi and thanks so much for your help!!! We have however solved the problem, after taking off the oil drip plate casing we found three cogs one of which is driven by the drive shaft, the belt that linked all three together had diminished away and snapped wire was in place of it... all we need is a new belt and should run better than ever! Thanks again!!"


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Posted on Jan 02, 2017

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SOURCE: Cannot come out of "Bobbin Winding selected" mode

If this were a Janome, it would indicate that a sensor for the bobbin winder needs adjusting, so the safest way forward is to seek the advice of your local Brother dealer, or contact Brother in your home country for details of nearest agent.

Sorry to say,........sometimes these things really do need to be seen to by trained technicians with access to diagnostic equipment and workshop manuals, they cannot be done via email, and if you just open the machine and play around it will end up at a workshop anyway.

Apologies to be the bearer of such news....every day I give thanks that I am not a veterinarian.

Posted on Feb 24, 2008

  • 323 Answers

SOURCE: Needle hits bobbin outer casing

Your hook/needle timing is off and it needs to be seen by a technician before you damage the hook. Some dealers can do a 24 hour repair for an additional charge.

Posted on Jun 09, 2008

  • 323 Answers

SOURCE: The fabric doesn't move forward.

We need to do some examining. Remove the foot. Put the stitch length dial at the longest stitch. Turn the wheel and see if the feed dogs move about 1/4 inch. Also check to see that they rise just slightly above the needle plate. If it does these two things it will work. If the teeth don't rise above the plate, remove the needle plate and clean the lint out from between the rows of teeth. If you find a lot of tightly packed lint there this will solve your problem. Reinstall the needle plate and foot. If the feed dogs don't move about 1/4 inch, you probably have a problem which is going to require the services of a technician.

Posted on Jun 12, 2008

  • 323 Answers

SOURCE: can't tighten clutch on Kenmore zig zag sewing machine.

The clutch has fallen off the shaft. Remove the very small screw in the clutch release screw to remove the clutch release. Place the clutch(round thing with ears on it) back on the shaft with the center ears pointing towards the outside. Put the clutch release screw back on. Tighten it to make sure it works
properly. Put the small screw back in the clutch release screw and test it again. If it will not tighten or release properly, remove the clutch ,rotate it180 degrees and try it again.This should solve your problem.

Posted on Feb 16, 2009

  • 87 Answers

SOURCE: Singer zig-zag 437

loosen the screw on the larger of the two feed gears (not bevel gears). Retigten so that the feed teeth start to rise right when the needle starts to rise and fall right when the needle starts to go into the fabric. Make the setting the same. i.e. when the feed teeth start to rise, how high is the needle (2mm, 3mm, etc.)? set the feed timing so the teeth rise and fall with the needle at the same height going in and coming out, this assures that the fabric only feeds when the needle is out of the fabric.

Posted on Mar 18, 2009

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1 Answer

My white machine want feed material it sounds like it is running fine and wheel is turning correctly what is the problem?

check to see if the feed dogs are dropped(darning mode), or lift the needleplate and clean out lint or debris stuck in feed dogs. when the needle is in the highest position the feed dogs should be about 1mm above the needle plate.

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Your feed dogs under neath are probaly down. There is a button to raise and lower them.You can feel them with your fingers underneath the needle. Some machines have three seetins on the feed dog.s Hope this works for you.

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It sounds like the needle clamp may be broken, or maybe have something stuck in it. Try viewing with a small mirror underneath to see if you can observe anything. Might need a new clamp.

If fabric does not feed through, check the feed dogs to see if they are working. On some machines, they can be lowered for embroidery, which disables them. If so, should be a switch to raise them again.

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My Babyloc serging machine does not feed the material through! The teeth appear not to move the fabric. I have taken off the plate to see if any fabric is underneath, but there is no dust or fluff. The...

I had this same problem with a Babyloc machine. The two hex set screws that hold the feed dog assembly to the drive shaft may have worked loose. You can confirm this by turning the machine by hand and observing the movement of the feed dogs. Tighten the hex screws using the correct size Allen key. You will most certainly need to adjust machine's timing. When working properly the feed dogs should rotate front to back in an elliptical pattern, remaining down during the down cycle of the needles. If the set screws have worked loose you may also have a problem with the stitch length adjustment cam (located on the left side of the machine.) This problem will manifest in a machine that is locked up or slows down during use. When dry the cam will heat up, expand and seize within its bearing sleeve. To fix this problem you will need to remove the small plastic cap (with red arrow) covering the screw securing the cam. It is usually also necessary to remove the connecting rod/sleeve that the cam rides in. Once both of these parts have been removed, you will need to carefully separate them and resurface the inside of the sleeve. This can be done with a very fine (500grit or higher) emery paper. Once the cam fits inside the sleeve without binding, reassemble using sewing machine oil or lithium grease and adjust feed dog timing.

May 17, 2011 | Baby Lock Sewing Machines

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The first few stitches are just fine but then the machine seems to seize up and stops. When I try to remove the fabric I can barely lift it and then I must cut through a veritable bird's nest of threads on...

You may have a jam under the needle plate. Take it off and have a look.
It is often a simple case of one of the threads not passing through the tension discs correctly. Try re-threading upper and lower, making sure the presser foot is up at the time.

Are you sewing a fine material? Sometimes fine fabric gets pushed down through the universal needle plate hole which is slightly elongated. If this is the case you need a straight stitch needle plate. You cannot do zig zig or anything other than straight stitch with this plate.

If re-threading does not do it and you do have a soft fabric, try popping some freezer paper or similar under the first few centimeters of sewing before buying another needle plate, it might work.

Jan 25, 2011 | PfaFF Sewing Machines

1 Answer

When it sews the top stitch is fine but the underneath one has a lot of thread

change needle
clean under needle plate where feed dogs are for lint
also clean in bobbin area for lint or loose threads
take the bobbin out & reinsert it
check tension 3 or 4 is usually good

Nov 23, 2010 | Singer Sewing Machines

1 Answer

The feed dog on my Elna 1010 will not lift up when I slide the lever across. We have taken the bottom off and looked underneath and although the bar slides across it does lift the feed dog. What do I do?

Have you actually tried to stitch yet? Turn the flywheel towards you through a stitch sequence and they should reengage as the needle rises.

Nov 20, 2010 | Elna 1010

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Everything was fine and then there was a noise and the thread got all bunched up underneath. I oiled it and it happened again.

change the needle
clean under the needle plate where the feed dogs are for lint
clean in the bobbin area for lint & loose threads
rethread the machine
check to make sure the bobbin is wound correctly & is inserted correctly
make sure to put the thread thru every thread guide

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Is the needle pushed all the way up into the shaft? It may have worked loose and slipped down a bit.

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Can you remove the bobbin? Sometimes when thread gets bunched up under the lower plate it will force the bobbin out of position. Try taking it out and cleaning any loose thread and lint from the area. Put a couple of drops of oil on the outside of the bobbin case and re-insert it. Make sure you lower the needle and pull the bobbin thread through to the top and back behind the needle before beginning to sew again.
Hope this works!

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