Question about Singer 132QRFB Mechanical Sewing Machine
My singer 2010 continues to run (sew) after I've taken my foot off the pedal. I tried tapping on the pedal and sometimes it would stop leaving me to believe a connection in the foot pedal is off and so current is still getting to the machine even when I'm not pressing the foot pedal down. I can't figure out how to open up the foot pedal to check. This is most annoying, especially because I do costume work for a local theatre and it takes more time when I have to manually turn the machine off to get the stitching to stop. Any suggestions?
I have a Singer Merritt 4530. I don't know if the foot pedal works the same way on your model, but on mine it is held together not by screws or latches, but simply by white plastic rods that serve as hinges. These rods have a hole drilled in their center, presumably so some special tool can be used to pull them out. Lacking a special tool, I glued a nail into the hole, and once the glue dries you can pull the nail and pull the rod out with it. The rod is about an inch long and held in place merely by friction - no glue or screw threads. Once one rod is removed, you should be able to slide the pedal off of the rod on the other side, though that might have only worked because some of the plastic housing was cracked on mine. If you don't want to take the time to test that, just glue a nail into both rods and pull them both out.
Once you get the pedal open, mine had a giant white cylinder that looks kind of like a battery or a fuse. This thing was getting very hot the longer the pedal was left plugged in. I read on many web sites that this object can cause overheating or short circuit the pedal so it's always sewing. It's called a suppressor and can be safely thrown away. I haven't found an explanation for precisely what it does or why it can be safely thrown away, but I theorize it's a surge suppressor and that most modern wiring isn't going to surge too much. I got rid of it and the pedal still works and doesn't overheat. It may be safest to plug the machine into a surge-protected power strip once the suppressor is gone - just my theory.
Posted on Jun 16, 2009
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