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How to fix tension on Kenmore 158 sewing machine?
Fixing tension issues on a Kenmore 158 sewing machine involves adjusting the upper and lower thread tensions to ensure balanced and even stitching. Tension problems can result in loose or tight stitches, thread bunching, or fabric puckering. Here's a step-by-step guide to help you fix tension on your Kenmore 158 sewing machine: Thread and Needle: * Ensure you're using the correct type and size of thread for your fabric. * Make sure the needle is suitable for the fabric and is properly installed with the flat side facing the back. Clean the Machine: Remove lint, debris, and old thread fragments from the tension discs and bobbin area using a brush or compressed air. Re-thread the Machine: * Raise the presser foot to release tension disks. * Rethread both the upper thread and bobbin thread according to your machine's threading guide, ensuring they follow the correct paths and are securely seated in the tension discs and guides. * Set Both Tension Dials to "Normal": * Set both the upper thread tension dial and bobbin case tension to their normal or default settings. Perform a Test Stitch: * Use a scrap fabric similar to what you'll be sewing to perform a test stitch. Evaluate the tension balance on both sides of the fabric. Adjust Upper Thread Tension: * If the upper thread is too tight, it will cause the bobbin thread to show on the upper side of the fabric. To reduce tension, slightly lower the upper thread tension dial. * If the upper thread is too loose, it will cause the bobbin thread to show on the underside of the fabric. To increase tension, slightly raise the upper thread tension dial. Adjust Bobbin Case Tension: * If the upper thread tension is adjusted but the issue persists, you might need to adjust the bobbin case tension. * Use a small screwdriver to adjust the tension screw on the bobbin case. Turning it clockwise increases tension, while turning it counterclockwise decreases tension. Test and Fine-Tune: * Test your adjustments with each small change to see how it affects the stitching. Make gradual adjustments until you achieve balanced stitching on both sides of the fabric. Document Settings: * Once you find the correct tension settings, note them down for future reference. Practice: * Practice on scraps of the fabric you intend to sew before working on your project to ensure that the tension is consistently balanced. Remember that adjusting tension requires patience and practice. Start with small adjustments, test frequently, and don't hesitate to rethread your machine if necessary. If you encounter difficulties or if the issue persists, consulting your sewing machine's manual or seeking guidance from a sewing machine repair professional can be helpful.
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