Adjusting Thread Tension - Janome MC350E Service Manual

MC350E
The standard upper thread tension should be 51 to 59 grams when the tension dial
is set at "3", measured with a #50 polyester thread being pulled at approximately 110
mm/sec. in the direction of arrow.
(C)
Polyester sewing thread #50
(White)

Adjusting Thread Tension

(B)
(A)
14
1. Set the tension dial at " 3 ".
2. Lower the presser foot.
3. Remove the front cover unit (See P. 6).
3. If the thread tension is more than 59g, turn the lead screw
in the direction (A).
4. If the thread tension is less than 51g, turn the lead screw
in the direction (B).
(C) Pulling direction: (Pulling speed 110 mm/ Sec.)