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Yamato 5 thread safety stitch skipping chainstitch

I HAVE A YAMATO INDUSTRIAL 5 THREAD safety stitch machine that is skipping the chainstitch, at the back, every 10 cm or so. It was working fine, and the 3 threads that overlock are fine. Can anyone help?

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6ya6ya
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Posted on Jan 02, 2017

  • 46 Answers

SOURCE: My Evolve serger is skipping stitches while using

First, change the needles making sure to use the el705 needle system. Second, make sure the subsidiary looper is engaged properly (plugging up the upper looper hole). Also make sure the needles are all the way up in the machine. This should do it or it may need to be adjusted but the Evolve is a very, very reliable machine. Hope this helps...

Posted on Nov 27, 2009

Testimonial: "Thanks I am going to try this as soon as I can, but right now occupied with a job with my industrial machine. My only issue may be with the needle."

cardenderek
  • 783 Answers

SOURCE: I have a yamato az6000 series industrial sewing

Please use this. http://www.youtube.com/watch?v=r28y42Yh4LQ

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Posted on Aug 17, 2011

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1 Answer

My machine is skipping stiches it seems its not picking up from the bobbin


Install a brand new needle and confirm it is inserted with the flat side facing the proper direction.. A bent, damaged needle will sometimes cause skipped stitches or even needle strikes inside the machine. A new needle is the least expensive cure for a lot of sewing machine problems. The needle should be changed about every 8 hours of sewing or at least when starting a new project.

Remove the top thread. ALWAYS RAISE the presser foot and rethread from the beginning. Verify the thread path is correct.

Sometimes, skipped stitches will occur if the needle, thread, and fabric are incompatible. Be sure to use the correct needle for your project. Use a good quality thread--AVOID old or bargain bin thread!

If the machine continues to skip stitches, then it may be out of time. Search for sewing machine timing or take it for service.

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How to thread a Yamato DCZ 503 overlocker


Search the internet for a manual for your machine:

Manufacturer + Model + the word "Manual"

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Oct 21, 2015 | Sewing Machines

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I got a mitsubishi industrial flat machine it is skipping stitches


Skipped stitches
1. The needle is not inserted correctly
Remove needle & reinsert needle( flat side towards the back of machine)
2. The needle is damaged
replace with new needle
3. The wrong size needle is being used
Choose a needle to suit the thread & fabric
4. The foot not attached correctly
Check & attach correctly
5. If the above suggestions don't help then the machine needs to be checked For a timing problem.

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Babylock proline bl5020


This a chainstitch machine, it is not necessary to pull the top thread through, it will do it itself. You only have to pull the top thread with a lock stitch machine.

Jan 20, 2014 | Baby Lock Sewing Machines

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Yamato VC2700-156m Threading and manual pls


check with a yamato dealer
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Apr 14, 2012 | Sewing Machines

1 Answer

On our Juki MOJ 3916, we are having trouble with the safety stitches skipping and breaking. We have tried changing the needle and the tension is set at 8 all the way across. We are sewing a cotton duck...


The MOJ-3916 industrial m/c has a chainstitch looper that picks up the thread off the needle. As it passes across the needle check that the point of the looper almost brushes the needle as it passes thru the scarf (flat scoopout above needle) And of course the long groove of the needle should face the operator nice and square not cocked.
Also check that the looper point is smooth with no hook burrs.
The tesion on the looper thread should be set with just a little drag , no tension as such.
The egg shaped rotay takeup on the side should start to rise to pull thread juat as the looper begins it's travel back towards the left direction.
Hope this helps
Ken

Nov 15, 2011 | Sewing Machines

1 Answer

Stitch tension problem - bobbin thread lies flat or bunches. If you increase the needle thread tension there is no improvement - even at the highest needle thread tension the bobbin thread is a mess. Any...


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Jun 16, 2011 | Consew 7360R-1 Mechanical Sewing Machine

1 Answer

My Evolve serger is skipping stitches while using the 4 thread safety stitch which is a chain stitch with a two thread overlock. Sews fine for a few stitches and then skips a loop which unravels. I checked...


First, change the needles making sure to use the el705 needle system. Second, make sure the subsidiary looper is engaged properly (plugging up the upper looper hole). Also make sure the needles are all the way up in the machine. This should do it or it may need to be adjusted but the Evolve is a very, very reliable machine. Hope this helps...

Nov 20, 2009 | Baby Lock Evolve

1 Answer

Bernina 1300 dc overlocker skipping stitches


Make sure the chain stitch thread is threaded exactly as it should be, make doubly sure the thread comes off the bobbin vertically and runs through all eyes smoothly. Any faults in the threading causes extra tension at the needle despite what the tension is set on.
If this is not the cause then the needle depth and the looper timing needs checking.
Rob

Mar 14, 2008 | Sewing Machines

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