Janome 639X - Adjusting the Needle Thread Tension

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•Tension is too tight
Needle thread (Top thread)
Bobbin thread (Bottom thread)
To loosen
Right side (Top side) of fabric
Wrong side (Bottom side) of fabric
If the bobbin thread shows through on the right
side (top side) of the fabric, turn the dial to a lower
tension setting number to loosen the needle thread
tension.
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Adjusting the Needle Thread Tension
• Balanced tension
The ideal straight stitch has threads locked
between two layers of fabric, as illustrated.
Needle thread (Top thread)
Bobbin thread (Bottom thread)
Right side (Top side) of fabric
Wrong side (Bottom side) of fabric
Turn the dial to adjust the tension.
To loosen
To tighten
The tension requires adjustment depending on:
- stiffness and thickness of the fabric
- number of fabric layers
-type of stitch
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5
4
3
2
• Tension is too loose
Needle thread (Top thread)
Bobbin thread (Bottom thread)
To tighten
Right side (Top side) of fabric
Wrong side (Bottom side) of fabric
If the needle thread shows through on the wrong
side (bottom side) of the fabric, turn the dial to a
higher tension setting number to tighten the needle
thread tension.
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3
4
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Janome 639X Instruction Manual
www.toews.com
639X Owners Manual/ User Guide