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When a bobbin is wound too tight, the thread gets stretched during winding. Stretched thread is weak thread. It might look fine on the bobbin — nice and even — but the moment it goes through the sewing machine under…
Sewing Machine Tension Spring in the Bobbin Case: Adjustable vs Fixed Guide After fifteen years fixing sewing machines, the number-one bobbin-case question I get is: “How do I adjust the tension on this spring?” The answer depends entirely on what…
Sewing Machine Shank Types: Low Shank vs High Shank vs Snap-On Guide Presser feet are not universal. I have had customers bring me bags of expensive feet they bought online that simply would not fit their sewing machine. The problem…
Sewing Machine Needle Position: Left, Center, and Right Guide Most modern sewing machines let you move the needle left, center, or right. Some give you up to 15 micro-adjustments. If you are only sewing in the center position, you are…
Sewing Machine Stitch Width Won’t Change: Zigzag Width Fix You turn the stitch width dial, nothing happens. The needle keeps going up and down in the same spot and your zigzag is a straight line. This is a common problem…
Computerized sewing machines are great — until the screen goes blank or the needle bar starts doing things you did not tell it to. Before you spend money on a new board or a whole new machine, work through these…
After fifteen years on the bench I have seen more seized, gummed-up, and burned-out machines from bad oil than from anything else. If you want your Singer, Brother, Janome, or Bernina to live past its warranty, never put any of…
Timing is the single most common thing I see DIY folks mess up. They turn tension dials for two hours, swap needles four times, rethread six times — and it’s just the hook gap. Here’s the reference I use on…
After 15 years of walking into shops where someone’s been fighting a machine for three days over “a tension problem” that was actually a burr on the hook, I learned one thing: you need to know what a correct stitch…
Sewing Machine Jamming: Causes, Fixes, and Prevention A jammed machine feels like the handwheel will not turn. Do not force it. What Causes a Jam? Cause How Common Fix Thread wrapped around the hook assembly Very common Cut thread, remove…
