HIGHLEAD GC20528-BDZA Manuale di istruzioni - Pagina 7
Sfoglia online o scarica il pdf Manuale di istruzioni per Accessori per macchine da cucire HIGHLEAD GC20528-BDZA. HIGHLEAD GC20528-BDZA 18. Twin needle split needle bar lock stitcher
Stampa la pagina13.BALANCE OF THREAD TENSION
14.ADJUSTMENT OF THREAD TENSION
There is virtually no need to adjust the bobbin thread
tension, except for special kind of the thread, when slight
adjustment will be necessary.
Turning the adjusting screw clockwise will increase the
tension of bobbin thread, otherwise, the tension of bobbin
thread will decrease.
Needle thread tension should be adjusted in reference to
bobbin thread tension.
To adjust needle thread tension,turn each tension adjusting
nut.
Needle thread tension can be also adjusted for special fabric and thread by changing intensity and movable
range of slack thread adjusting spring.
15.ADJUSTMENT OF PRESSER FOOT
PRESSURE
Pressure of presser foot is to be adjusted in accordance with
thickness of materials to be sewn.
First loosen lock nut. For heavy materials, turn the adjust bolt
to increase the pressure, while for light
adjust bolt to decrease the pressure as shown in Fig. After the
adjustment. Tighten the lock nut.
materials, turn the
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