JUKI MO-6804D - Adjusting the Thread Tension

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The thread tension should be adjusted properly according to the kinds and the thickness of the materials, stitch
length, and seam width, etc. In addition, adjust the nuts case by case individually. Turn the nuts clockwisely will
increase the thread tension. Otherwise, the thread tension will be decreased.
(1) Thread tension adjusting nuts
1) Tension adjusting nut No. ① controls thread ❶.
2) Tension adjusting nut No. ② controls thread ❷.
3) Tension adjusting nut No. ③ controls thread ❸.
4) Tension adjusting nut No. ④ controls thread ❹.
5) Tension adjusting nut No. ⑤ controls thread ❺.
6. ADJUSTING THE THREAD TENSION
(2) Adjusting the needle thread length
1) Adjust the needle thread length by turning the thread guide in the directions of arrows.
2) The ⊕direction indicates to increase the needle thread length.
3) The ⊖direction indicates to decrease the needle thread length.
󱤨= Increase 󱤩= Decrease
󱤨
󱤨
󱤩
󱤩
❶
❶
❶
❸
❸
❸
❹
❹
❺
❷
❷
❹
①② ③④
⑤
MO-6804D MO-6816D*** MO-6814D***
⊕
⊖
⊕
⊖
MO-6804D
MO-6814D***
MO-6816D***
⊕
⊕
⊕
⊖
⊖
⊖
⊕
⊖