Question about Kenmore Drop-In Bobbin 505S-21BH Mechanical Sewing Machine

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Machine jamming Using marine weight thread on marine vinyl. Machine jams; thread loops up and tangles on bottom of fabric. Can this thread be too heavy for a domestic use sewing machine?

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Hi! It's possible that the thread is too heavy, but there are other possibilities also. What size needle are you using? Is it a leather/vinyl needle? Also, it could be a tension problem, so try adjusting that on a scrap of the vinyl.

I found this bit about marine threads (http://www.seattlefabrics.com/thread.html). There are different sizes/weights of marine threads and it could be that you need to find a different marine thread.

Hope this helps!

Robbie

Posted on Apr 28, 2010

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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
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How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
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Why is my bobbin not winding evenly?
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Why won't my machine pick up the bobbin thread?
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Why is my machine skipping stitches?
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Why is the thread looping/bunching under my fabric?
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Why is the thread looping/bunching on top of my fabric?
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Why doesn't my stitch pattern match what is on my machine?
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How often should I oil my machine?
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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
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Why is the thread looping/bunching under my fabric?
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Why is the thread looping/bunching on top of my fabric?
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Why doesn't my stitch pattern match what is on my machine?
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How often should I oil my machine?
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What types of thread should I use?
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I can't see the take-up lever? ,,,,,

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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
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I can't see the take-up lever? vv

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Basic Tips for All
  1. Always turn the handwheel TOWARDS you (counter clockwise) as turning it in the opposite direction (away from you, clockwise) may knock the timing out requiring repair from a service center.
  2. Always be sure your presser foot is in the DOWN position before sewing. Sewing with the presser foot in the up position will cause your thread to tangle and your bobbin to jam.
  3. Change needles regularly (after 16 hours of use) as dull/weak needles can cause damage to your machine and fabric. Only use SINGER needles on your SINGER sewing machine.
  4. Always be sure you are using the correct bobbin for your machine. Class 66, Class 15 and Class 15J bobbins look very similar. However, using the incorrect bobbin class in your machine can cause damage.
How do I thread my 3/4 thread serger? (14SH654, 14ET754, 14SH764, 14CG754)
Q.
How do I thread my 2/3/4/5 thread serger? (14T967, 14T968, 14T957)
Why is my electronic machine beeping? Why won't my machine sew? Why will my machine start to sew then stop?
Q.
How do I sew denim and heavy fabrics?
Q.
Why is my bobbin not winding evenly?
Q.
Why won't my machine pick up the bobbin thread?
Q.
Why is my machine skipping stitches?
Q.
Why is the thread looping/bunching under my fabric?
Q.
Why is the thread looping/bunching on top of my fabric?
Q.
Why doesn't my stitch pattern match what is on my machine?
Q.
How often should I oil my machine?
Q.
What types of thread should I use?
Q.
I can't see the take-up lever? cc

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1 Answer

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1 Answer

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1 Answer

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