Adjust the tension dial on the front of the machine.
| Symptom | Cause | Fix | |---------|-------|-----| | Fabric not moving | Feed dogs dropped (check lever on base), or presser foot pressure too light | Raise feed dog lever. Increase pressure: turn thumb screw on top left of arm (clockwise). | | Uneven feeding | Worn feed dogs or dirty mechanism | Remove needle plate, clean lint from feed dog teeth. Replace feed dogs if worn flat. | | Stitch length won’t adjust | Cam stack slipping or stitch length knob broken | Internal: remove top cover, look for cracked plastic cam follower. Part unavailable? Use manual stitch length only. | singer 974 sewing machine problems
One of the most common issues is —a tangled mess of thread bunching under the fabric. Adjust the tension dial on the front of the machine