Bobbin thread breaks, bobbin makes squeaky noise and bobbin thread can be pulled out. How do I fix this? I am sewing lambskin.
There is a screw on the bobbin case that can be used to adjust the tension. However, first I would check that there is not a thread or lint caught in the tension spring of the bobbin case. Use a stiff brush to clean bobbin case. Use a needle (or other sharp point tool), and check spring area for thread.
SOURCE: Husqvarna Viking #1plus bobbin problem
I have changed stabalizers and the type of bobbin thread i am using (invisible poly) and it seemd to have solved the problem. Note: wind invisible thread very slowly and carefully it is like fishing line
SOURCE: Bobbin tension on Viking 350 Sewing Machine
Viking bobbin case tension adjustment:
When the bobbin runs out, sometimes it bends the bobbin case tension spring. Then tension is too light. Take the bobbin case out of the machine. Tie the loose bobbin thread to the Designer 1 needle plate. Insert the bobbin in the bobbin case. Here’s the tricky part set the bobbin case on the table as if it’s in the machine (Bobbin is visible and sitting horizontal to table top) threaded as if sewing and loose end tied to needle plate (that is removed from the machine). Lift the bobbin case off the table rotate it so that the flat side of the bobbin are vertical to the table and no longer horizontal. Have the bobbin case oriented so that the thread coming out of the bobbin case sprint (slot area where it is put for sewing) is at the top. Lift it high enough that the needle plate is lifted from the table. It should not release thread unless you shake it gently and then a very small amount of thread. The needle plate is the exact weight resistance your bobbin case should have on the thread.
SOURCE: Husqvarna bobbin thread jamming
Make sure the bobbin thread "clicks" into the tension slot. However, thread nests underneath are usually caused by the top thread, not the bobbin. Make sure your thread is seating itself in the top tension disks. To do this, put the spool on the machine, pull off about 12 or 15 inches of thread, then hold this thread down with one finger on your right hand as you take the thread tail through the threading path with your left hand. When you get to the needle, tug the thread (still holding it down up top) to be sure it seats in the tensions disks. You must also have the presser foot UP while you do this to ensure that the tension disks are open. Watch the first thread guide after the spool as you sew to make sure the thread is not jumping out of there (a common problem with Des1 machines, fixed with SEs - no comfort to you and me!). I have put a small piece of tape across there with the end turned back on itself so no sticky bit is going to catch on the thread.
SOURCE: MegaQuilter Tension
Try at least 2 new needles first (HLX5, preferably Schmetz). If same, look for any rough edges on the needle plate and feed dog cover.
Beyond that, this does not sound like you are doing anything wrong. You should take your machine in for adjustment by an authorized technician. You should have about 1/2 to 1 full turn of the upper tension knob between too loose/ugly on back and too tight/breaking on the top.
SOURCE: I own a husqvarna emerald 116 sewing machine, and
is the bobbin thread in correctly( meaning is the bobbin thread in the lower tension) if it is and the top thread is in correctly and make sure the feeddogs are in the up position if all of these factors are alright then it will have to go to a local dealer to get taken care of
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