Question about Baby Lock Sewing Machines
I had this same problem with a Babyloc machine. The two hex set screws that hold the feed dog assembly to the drive shaft may have worked loose. You can confirm this by turning the machine by hand and observing the movement of the feed dogs. Tighten the hex screws using the correct size Allen key. You will most certainly need to adjust machine's timing. When working properly the feed dogs should rotate front to back in an elliptical pattern, remaining down during the down cycle of the needles. If the set screws have worked loose you may also have a problem with the stitch length adjustment cam (located on the left side of the machine.) This problem will manifest in a machine that is locked up or slows down during use. When dry the cam will heat up, expand and seize within its bearing sleeve. To fix this problem you will need to remove the small plastic cap (with red arrow) covering the screw securing the cam. It is usually also necessary to remove the connecting rod/sleeve that the cam rides in. Once both of these parts have been removed, you will need to carefully separate them and resurface the inside of the sleeve. This can be done with a very fine (500grit or higher) emery paper. Once the cam fits inside the sleeve without binding, reassemble using sewing machine oil or lithium grease and adjust feed dog timing.
Posted on May 17, 2011
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Posted on Jan 02, 2017
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