TO ADJUST THE THREAD TENTION DIAL
When each dial is set at “3” and No. 50 polyester filament thread (C) is used, the thread tension
should be as follows;
Needle (Left) 25 - 35 g
Needle (Right) 15 - 25 g
Upper looper 10 - 20g
Lower looper 20 - 30 g
When each dial is set at “9” and No. 50 polyester filament thread (C) is used, the thread tension
should be as follows;
Needle (Left) 125 g or more
Needle (Right) 60 g or more
Upper looper 55 g or more
Lower looper 120 g or more
To adjust:
1. Remove the top cover unit.
2. Match the scale “3” on the thread tension dial with the notch in the thread tension regulating
plate.
3. Adjust each thread tension with the adjusting plate (D).
* If the thread tension is higher than the above level, shift the adjusting plate (D) in the direc-
tion (A).
* If the thread tension is lower than the above level, shift the adjusting plate (D) in the direction
(B).
4. Match the scale “9” with the notch, and check if each thread tension is as specified.
5. Attach the top cover unit.
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