Adjusting The Needle Thread Tension; Balanced Tension; Tension Is Too Tight; Tension Is Too Loose - Janome 639X Instruction Manual

Janome 639X Instruction Manual
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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.
1 Needle thread (Top thread)
2 Bobbin thread (Bottom thread)
3 Right side (Top side) of fabric
4 Wrong side (Bottom side) of fabric
Turn the dial to adjust the tension.
To loosen
5
To tighten
6
The tension requires adjustment depending on:
- stiffness and thickness of the fabric
- number of fabric layers
- type of stitch

•Tension is too tight

Needle thread (Top thread)
1
Bobbin thread (Bottom thread)
2
To loosen
3
Right side (Top side) of fabric
4
Wrong side (Bottom side) of fabric
5
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.

• Tension is too loose

Needle thread (Top thread)
1
Bobbin thread (Bottom thread)
2
To tighten
3
4 Right side (Top side) of fabric
Wrong side (Bottom side) of fabric
5
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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639X Owners Manual/ User Guide