Question about Riccar R651 Mechanical Sewing Machine
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Posted on Jan 02, 2017
Here are some things to try.
If it's Your upper thread breaking:
* Rethread your machine
An incorrectly threaded machine can cause thread to break.
* Decrease the tension on your machine
The tension may be too tight for your thread.
* Reposition the spool of thread on the spindle
You know that little nick in the edge of a spool that’s used to hold the loose end of the thread? Your thread may be catching on this nick as you sew. Place your spool so that this nick rests against the bottom of the spindle.
* Reinsert your needle
Make sure it goes all the way into the holder and that it’s positioned correctly, usually with the flat side away from the bobbin, but consult your machine’s manual to be sure.
* Change your needle
Your needle may be bent or dull. The eye of your needle may have a nick in it that’s cutting the thread as you sew. Or your needle may be too small for the thread you’re using, in which case, change to a larger needle. And make sure your needle is appropriate for the weight and type of your fabric.
* Change your thread
Your thread may be weak. Or your thread may be fuzzy and irregular, causing it to catch in the eye of your needle as you sew. Cheap thread tends to be weak and fuzzy, so make sure to
use a quality, brand name thread. And if you’ve been sewing with an older cotton thread, which can dry out and become brittle with age, try a newer thread.
* Check your presser foot for damage to the needle hole
A burr in your presser foot’s needle hole may be cutting your thread. Gently smooth any rough spot you find with an emery cloth.
* There may be a burr in one of your thread guides, in which case, you may need to have your
machine professionally serviced to have the part replaced.
If it's Your lower thread breaking:
* Reinsert your bobbin
Your bobbin may not be seated properly in its case.
* Rethread your bobbin
Your bobbin may be threaded incorrectly or the thread may be tangled.
* Remove some of the thread from your bobbin
If your bobbin is very full (if it’s hard to insert into the case, it’s too full), this may be keeping your bobbin from turning smoothly.
* Rewind your bobbin thread
If your bobbin thread is wound unevenly, this may be keeping your bobbin from turning
* Try a new bobbin
There could be a nick along the edge of your bobbin spool that’s catching your thread as you sew.
* Clean the lint from your bobbin case
Lint in your bobbin case could be keeping your bobbin from working properly.
* Check the needle hole in your throat plate for rough spots
A burr in the needle hole of your throat plate, usually caused by the needle hitting the throat plate, could be cutting your thread. Gently smooth any rough spot you find with an emery cloth.
I hope one of these solutions work for you.
Posted on Sep 15, 2009
Hiya, the threading for this machine is pretty standard so you won't be going wrong there. Have you used a sewing machine before? The tension dial (on the extreme left) should be set at 5. The other dial to your left should be on blue zigzag with orange broken line. The dial on the right should be set at 0 and the bottom one on 2 - 3. I've been looking for a manual for this machine as I inherited this one. It took me ages to suss straight sewing out. Another thought is take it to a repairer and ask for a quote. Good luck.
Posted on Nov 23, 2009
Oh yes. GRRRRRR is the word!!! I hope I can help.
In many cases, breaking thread is caused by the upper tension being too tight, so that's something to check.
Another thing is to change your needle. If it's at all bent it can break the thread.
Third thing is to make sure you're using new, high quality thread. Older thread breaks more easily, especially if it's been in the sun.
Finally, clean and oil the machine. A bit of lint in the bobbin area can do all kinds of havoc.
Hope this helps!!
Posted on Jan 19, 2010
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