Prevention and care
Operators often crank down the presser foot spring pressure to feed thick materials. This constant downward force, combined with the up/down impact of the needle penetration, creates a lever effect. The weakest point is the area where the presser foot bar bracket mounts to the top head. Micro-fractures appear, eventually becoming visible cracks.
: The machine excels in topstitching applications, offering a consistent and professional finish. The "crack top" feature allows for precise stitching along the edge of the fabric.
. This is the literal "top" piece for barrel-type components in the M-1 series. : Part No: B1109761000 Go to product viewer dialog for this item.
Fixes and workarounds