Question about Brother PC8500D
My bobbin thread tension is very loose. I saw somewhere that I could adjust the leaf spring tension on the bobbin case? I need to finda a tiny screwdriver before I attempt that. I was using my sewing machine two days ago and it worked great. I had to make the tension very loose to pull the threads to make a ruffle on a Halloween costume. I have also changed the thickness of fabric that could of affected my problem. And of course I can't find my manual and need to finish up my project.
This is an answer to another person with a similar complaint. Try the suggestion below, it may fix the problem.
From your description it appears that you have tried tension settings on the upper tension control adjustment knob without success.
Check that the bobin tension is adjusted correctly by taking out the bobin complete with the spool.
Pull the cotton thread and it should be a smooth light pressure if the tension is correct. If it is tight to pull or pulls freely then adjust the tension screw which is found on the outside of the bobbin. The screw is very small and requires a minature size screwdriver. The adjustment will only be a slight turn of the screw one way or the other to obtain the correct tension(depending if it was loose or tight).
Once this is set reinstall the bobin and tread up the machine, hopefully with the upper tension set at approx."2" the machine will sew correctly.
Posted on Nov 30, 2008
The tread only breaks in the needle. what can i do . i don't get to sew anything . I tread the needle and get everything ready and start the machine and as quickly as that the tread is broken and the machine has not sewn at all.
Posted on Apr 07, 2009
it sounds like your bobbin tension is too tight. to adjust bobbin tension, remove bobbin case (remove needle plate first) and adjust bobbin tension screw on side of case until bobbin thread has a slight resistance as you pull it through the bobbin case.
this will be trial and error until you get best result. you should always try and match top and bottom threads. if the top thread is quite thick you may have continue to increase needle thread tension until balanced.
Posted on Jul 26, 2009
Try some metal bobbins, #15 or SA 156. that seems to help. If, you don't have a manual go to brother.com and download one for free
Posted on Jul 27, 2010
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