Troubleshooting guide: Tension in the relationship: Top tension ; Bottom (Bobbin) tension ; Tension calibration and adjustment ; Things that might affect tension
It's hardly ever the tension: Smoothing burrs on the hook ; Thread ; Damage to the Bobbin Case ; Incorrect threading ; Needle plate damage ; Spool pin orientation ; Bobbins ; Thread lock
Needles, threaders, and automatic thread cutters: Needles ; Anatomy of a needle ; Important relationships ; Choosing needles by quality or price ; When to change needles
Twin, triple, and hemstitch/wing needles ; Machine needle threaders ; Automatic thread cutters ; Troubleshooting thread cutters
Pressure-foot pressure adjustment: Location of adjustment ; When to adjust pressure
Forward/reverse balance adjustment: Where is the adjustment? ; When to adjust
Buttonholes: Buttonhole systems ; Troubleshooting buttonholes ; Making great-looking buttonholes.
