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TENSIONS
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 clockwise will increase the thread tension. Otherwise, the thread
tension will be decreased
(1) The first adjusting knob controls double chain stitch threads (TN-757) or the left over-
lock needle thread (TN-747).
The second adjusting knob controls the seam lock needle thread.
(2)
The third adjusting knob controls the upper looper thread.
(3)
The fourth adjusting knob controls the lower looper thread.
(4)
(5) The fifth adjusting knob controls the double chain looper thread.
Thread tension adjusting nuts (Fig12)
17
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