Without the ability to properly adjust the tension on your sewing machine stitches can vary and cause unsightly seams that can be too loose or too tight. This is a guide about repairing the tension knob on a Singer sewing machine. SIXGER st.-AWING ACHINE1 THESINGERMANUFACTURINGGO., NEW YORK. can be had, if desired, by leaving the upper tension so light that the under thread will not draw into the goods, butlie straight. attachments ofthe Singer machine. of upper tension setting. FLEXIBLE SPOOL PINS — Lead thread into thread guide 2 Into thread guide 3 Down into thread guide 4 Down, under and from right to left between tension discs 5 Singer 301 Sewing Machine Singer 4423 Instruction Manual & Cooking Manual Singer sewing machine owner's manual (6 pages) Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number -Singer Model 15-91 Instruction Manual-Singer Model 15-91 Adjusters Manual Common Cause of Sewing Machine Troubles If the loop occurs on the underside, it may usually be corrected by tightening the upper tension. See that both the upper and lower threading is correct, that the thread is SINGER 3232 SIMPLE User Manual • Thread tension • SINGER Sewing machines. Manuals Directory ManualsDir.com - online owner manuals SINGER manuals. Sewing machines. 3232 SIMPLE. Manual Thread tension - SINGER 3232 SIMPLE User Manual Page 22. Thread Tension. Upper thread tension Sewing machine tension disks are vital to creating a properly formed stitch. Learn how to adjust as well as keep them clean. turn the adjustment to the right to tighten the upper thread tension, Always follow the information provided in your sewing machine manual. Adjust upper tension. but in the past few months the thread gets hung up in the little object you guide your thread under before taking it down and around and threading the needle.. I have a