Question about Brother PE770 Computerized Sewing Machine
I have cleaned and checked the bobbing and the safety device continues to activate every time I sew. It sounds like something is grabbing the top needle, but it appears clear as well.
It sounds like the machine needs to be serviced to see that wrong
with the machine
Posted on Jan 10, 2013
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Posted on Jan 02, 2017
Return the bobbin winding shaft on the top right of the machine to the Left Position. It may be stuck in the middle.
I had this same problem. After an hour or two of fiddling, this fixed my problem.
Posted on Nov 03, 2010
SOURCE: I have a Brother SE-270D
its the problem of the timing belt in your machine its extra loosen or extra tightned or is slightly came out of its position or finally broken.
as the machine is proper just missing the proper speed as it should be .
it is running continuosly as you stated.
check the timing belt and make it proper if its worn out and needs replacement this is how its done
There is an adjusting screw on the right side of the machine head. Follow the motor bracket to the machine head and loosen that big old screw or bolt which will raise or lower the motor giving you slack to remove or replace the belt.
feel free for further queries
Posted on Sep 19, 2008
The fact that your machine is turning hard says you still have some thread inside the machine that is binding up and activating the safety device. It must turn easily before it will work properly again.
Sometimes the machine must be disassembled to remove these threads.
Posted on Jun 18, 2008
i had the same problem and realized i was using the wrong kind of bobbin. there are specific ones for an embroidery machine and specific ones for a reg. sewing machine. hope this helps
Posted on May 03, 2009
You might have thread caught in the take-up lever linkage and it has soaked up all the oil my recommendation would be take it to your local dealer
Posted on Jun 25, 2009
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