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NH1722S Instruction Manual
• Tension is too loose
Needle thread (Top thread)
1
2
Bobbin thread (Bottom thread)
3
To tighten
4
Right side (Top side) of fabric
5
Wrong side (Bottom side) of fabric
If the needle thread shows through on the wrong side
(Bottom side) of the fabric, and the stitch feels bumpy,
turn
the dial to a higher tension setting number to
tighten the
needle thread tension.
• Adjust bobbin tension
Adjusting screw
1
Increase tension
2
3
Decrease tension
In some instances, you may need to adjust the bobbin
thread tension.
Turn the adjusting screw
bobbin thread tension is too tight.
Turn the adjusting screw
bobbin thread tension is too loose.
Adjust the Needle Thread Tension for a Zigzag
Stitch
For an ideal zigzag stitch, the bobbin thread does not show
on the right side (Top side) of the fabric and needle thread
shows slightly on the wrong side (Bottom side) of the
fabric.
See the illustrations for correct appearance.
To match this appearance, adjust the needle tension.
• Correct tension
1
Right side (Top side) of fabric
Wrong side (Bottom side) of fabric
2
Minimize the amount of needle thread visible on the
wrong side (Bottom side) of the fabric without causing
excessive puckering or causing bobbin thread to show on
the right side (Top side) of the fabric.
Results vary with fabric, thread and sewing condition.
• Tension is too tight
1
Right side (Top side) of fabric
2
Wrong side (Bottom side) of fabric
The corner of each zigzag pulls together on the right side
(Top side) of fabric.
• Tension is too loose
Right side (Top side) of fabric
1
2
Wrong side (Bottom side) of fabric
Corner of each zigzag pulls together on the wrong side
(Bottom side) of fabric.
www.toews.com
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3
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4
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2
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2
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1722S Owners Manual/ User Guide
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