Questions & Answers for: PfaFF bottom thread too loose

bottom thread is loose and bunchy. When I checked my seam, it got progressively worse from start to finish. This is a new machine, and I'm baffled. Nothing has changed from project #1 to this project

thread runs through. On the bottom, it's a tiny screw on the side of the casing that the bobbin sits inside. If the machine sews loose threads, then tighten these, a bit at at time, and if the machine

...thread on the bottom stuck in the feed dogs and under the throat plate.....then the stitches are not properly balanced because the tension gets too loose on the bobbin thread....very disappointed to ...

...thread on the bottom. If you go through all these steps, and the bobbin thread is still loose (and you've tightened up the top tension), then there is a tiny little screw on the side of the bobbin ...

...bottom thread is loose and can be pulled right thru I checked the top and adjusted the bottom and nothing seems to change. When you thread your bobbin in the bobbin case, hold it only by the thread. ...

...bottom, i've adjusted the bobbin tention both ways still loose. how do I fix ? Hi. The problem is that your upper tension is too loose. It needs to be tighter in order to pull the bobbin thread up. ...

...thread keeps breaking) but if I lower the tension, the bottom stitch becomes loose??? replace the needle-make sure the needle is inserted correctly top thread tension 3 or 4 rethread the machine some ...

bottom tension. Mine is loose. I don't have my manual with me - HELP= it is a 7570 A good way to set bobbin tension. Thread bobbin. Hold bobbin buy the thread. You should be able to hold the bobbin up

1. Change thread/needle. 2. If the bottom stitch is loose then tighten the top tension. If the bottom appears to be too tight then loosen the top tension. 3. It may help to put the feed dogs down also

...and then everything is done from the upper knob. Tightening the bobbin tension screws CAUSES looping on the bottom thread, you need to loosen it. Read the articles below which will help you.