16
Mechanical Adjustment
Top tension
The top tension should be between 65 and 80g when pulling the thread up in the direction of C.
* Use polyester sewing thread #50 (White).
* If it is not within the above limit, adjust as follows.
1. Set the tension dial “Auto”.
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.
q
White polyester thread size 50
Pull the thread at the speed of 110
mm/sec in the direction of arrow
Cover
