Janome 3128 - Page 4

MODEL 3128
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 dull. Replace with a new needle.
4. Upper thread tension is Adjust upper thread tension P.7
too strong. correctly.
5. Needle size is inppropriate Use appropriate needle and
for fabric. thread for fabric in use.
6. Needle eye is worn. Change the needle.
7. Needle hole in needle Repair the hole or replace the
plate is worn or burred. needle plate.
4. Breaking 1. Incorrectly threaded Thread bobbin case correctly.
bobbin bobbin case.
thread 2. Too much thread is Adjust the position of stopper.
wound on the bobbin.
3. Lint is stuck inside the Clean the hook race.
hook race.
4. Thread quality is too low. Change to a high quality
sewing thread.
5. Thread is jamming around Clear out the jamming thread.
the bobbin.
6. Bobbin thread tension is Adjust bobbin thread tension P.8
too strong. correctly.