Do It Yourself Sewing Machine Repairs: A Sewing Machine Repairman Provides Helpful Tips
By Reuben O. Doyle
Your sewing machine is a wonderfully useful machine when working properly, a frustrating, confusing monster when it's not. Oddly, a vast majority of machines sent to repair shops for repairs, could be repaired at home with little or no technical knowledge.
The first thing to remember is not to panic! Don't let your frustration get in the way of your good sense. Depending on the type of problem you're having, the following suggestions may be of immediate help to you.
TENSION
As you change projects and start sewing on different weight materials, you should test stitch on a piece of scrap material of the same weight before beginning the actual project so you can adjust your upper tension to that particular fabric. As an example, if you're changing from a denim type fabric to a silky fabric, you would definitely want to make sure the tension is correct and the stitching looks right before you start to sew the garment.
To determine whether the upper tension is too tight or too loose for the fabric you want to use, try the following test. Take a small scrap of the fabric, fold it, and stitch a line ON THE BIAS of the fabric, using different colors of thread in the bobbin and on top.
Grasp the bias line of stitching between the thumb and the index finger. Space the hands about 3 inches apart and pull with an even, quick force until one thread breaks.
If the broken thread is the color of the thread in the needle, it means that the upper tension is too tight.
If the broken thread is the color of the bobbin thread, the upper tension is too loose. If both threads break together and take more force to break, it means that the tensions are balanced.
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