The top tension should be between 65 and 80g when set the tension dial "4".
* Use polyester sewing thread #50 (White).
1. Set the tension dial "4".
2. Remove the cover.
3. Lower the presser foot.
• If the top tension is too loose, turn the lead screw in the direction (A).
• If the top tension is too tight, turn the lead screw in the direction (B).
4. Check the top tension and attach the cover.
Top Tension
Cover
Pull the thread at the speed of
110mm/sec in the direction of arrow
15
White polyester thread size 50