Quick Answer: How do you adjust the bobbin tension on a brother ls2125i?

Can you adjust bobbin tension?

If the bobbin case doesn’t budge, your bobbin tension is too tight. To tighten your bobbin tension, turn the tiny screw on the bobbin case a smidgen clockwise. To loosen bobbin tension, turn the screw counterclockwise. A quarter turn or less is a good place to start.

What number should the tension be on a Brother sewing machine?

a. The tension dial should be set between 2 to 6. b. When the upper thread is just visible on the back of the fabric, the thred tension is correct.

Why is my thread bunching underneath?

A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.

How do you tighten thread tension?

Changing Bobbin Tension

You should see a small screw on the flat/closed side of the bobbin case. Turning the screw a tiny bit counterclockwise will loosen the bobbin tension; turning it clockwise will tighten the tension.

Why won’t the needle go up and down on my sewing machine?

A disengaged clutch, broken drive belt or internal drive gear failure can prevent the needle from moving. … If the needle won’t move with the clutch engaged, unplug the sewing machine and check the drive belt. Replace the drive belt if it’s broken.

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What tension should I use for stretchy fabric?

Tension: For loftier knits or stable knits, like ponte or scuba knit fabrics, try a lower tension around 2 or 3. Around 4 is usually good for heavyweight knits. The 4-5 Tension range generally yields the best results with light to medium weight knits.