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Janome 644D Instruction Manual
www.toews.com
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Thread Tension
For rolled hemming and picot edging
Correct tension
The illustration at left shows sewing results with
correct tension settings.
Adjusting the thread tension may be required
depending on the type of fabric and thread being
used.
Wrong side of fabric
Right side of fabric
Right needle thread
Upper looper thread
Lower looper thread
Thread tension adjustment
1. Set the tension dial as shown on page 76.
2. Sew and check the tensions.
3. If the tension balance on the test piece is not
satisfactory, you can adjust the thread tension
with thread tension dial.
Needle thread tension is too loose
The illustration shows the sewing results when the
right needle thread tension is too loose.
Remedy:
Tighten the right needle thread tension.
Right needle thread tension dial
Upper looper thread tension is too loose
The illustration shows the sewing results when the
upper looper thread tension is too loose.
Remedy:
Tighten the upper looper thread tension.
Upper looper thread tension dial
Looper thread tension is out of balance
The illustration shows sewing results when the upper
looper thread tension is too tight and/or lower looper
thread tension is too loose.
Remedy:
Loosen upper looper thread tension and/or tighten
lower looper thread tension.
Upper looper thread tension dial
Lower looper thread tension dial
644D Owners Manual/ User Guide
Janome Serger
Publicidad
