Just started: Bobbin thread has loops, material does not feed through evenly, the machine will continue to sew if I "help" by tugging it lightly. The feed dogs do not seem to be working all the time, but the bobbin thread is catching, too. I have tried adjusting the tension. Another issue: Also the bobbin thread will "catch" and then I get a huge tangle of thread. It will work again if I completely re-thread the machine. Thank you for your help.
SOURCE: lost manual
An update: to add the instructions for using the serge on the Dual Sew 3500, according to the manual:
Machine Settings
Stitch #18
Foot "C"
Tension: between 3 and 7
Width control: 5 (Note: Experiment with different widths for different fabrics.)
Place the edge of the fabric next to the black prong of the foot.
The wires on this foot prevent fabric from rolling back and creating a ridge. The black prong guides your sewing so the needle falls off the fabric wrapping the threads around the edge to stop raveling.
(This is also called an "Overedge" stitch.)
Hope this helps.
SOURCE: how to thread a dual sew 3300?
Rather than seek a lengthy explanation it will be good that you follow the guidlines in the manual received along.
Starting from the bobbin at the top the thread must be passed around to reach the needle in the sequence described.This machine ahs a automatic tthreading and so the automatic threading feature enables the machine to thread itself from the top thread spool through the eye of the needle.
SOURCE: how do you drop the feed dog for quilting
do you have a manual for the machine?
if you don't, singer has a free one on their website
Go to the singer website
Go to the home page
Go to customer service--click on it--it will show a small menu--click on instruction manual
In the box put the model number (example 3400 ) & click search
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