Janome Jubilee 60507 - Breaking upper thread; Breaking bobbin thread; Needle breaks

2
CONDITION CAUSE HOW TO FIX REFERENCE
3. Breaking 1. Initial sewing speed is Start with medium speed.
upper too fast.
thread 2. Thread path is incorrect. Use the proper thread path.
3. Needle is bent or worn. Replace with a new needle.
4. Upper thread tension is Adjust the upper thread tension P.8
too strong. correctly.
5. Needle size is inappropriate Use appropriate needle
for fabric. for fabric and thread in use.
6. Needle eye is worn. Change the needle.
7. Needle hole in needle Repair the hole or
plate is worn or burred. replace the needle plate.
4. Breaking 1. Incorrectly threaded Thread bobbin correctly.
bobbin bobbin.
2. Too much thread is Adjust the position of
around on the bobbin. bobbin winder stopper.
3. Lint is stuck inside the Clean the shuttle.
bobbin holder.
4. Thread quality is Change to a high quality
too low. sewing thread.
5. Thread is jamming Remove the jamming
around the bobbin. thread.
5. Needle 1. Needle is hitting the See mechanical P.11
breaks needle plate. adjustment “Needle Drop
Position.”
2. Needle is bent or worn. Change the needle.
3. Needle is hitting the See mechanical P.14
shuttle. adjustment “Needle
clearance to shuttle.”
4. The fabric moves while See mechanical P.10
the needle is piercing adjustment “Needle Swing.”
it, or the needle zigzags
while in fabric.
5. Fabric is being pulled too Guide the fabric gently
strongly while sewing. while sewing.
thread