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Adjust the Needle Thread Tension for a Straight
Stitch
• Correct tension
(_ Needle thread (Top thread)
(_ Bobbin thread (Bottom thread)
@ To loosen
(_ To tighten
The idealstraightstitchhas threads locked between two
layersoffabric as illustrated[magnified to show detaih.
Ifyou look at the top and bottom of a seam noticethat
there are no gaps. Each stitchissmooth and even.
When adjustingthe needle thread tension,the higher the
number, the tighterthe needle thread tension.
Results depend on:
- stiffnessand thickness ofthe fabric
- number of fabriclayers
- type of stitch
•Tension is too tight
_) Needle thread (Top thread)
(_ Bobbin thread (Bottom thread,
(_) To loosen
(_ Right side (Top side) of fabric
@ Wrong side (Bottom slde_ of fabric
If the bobbin thread shows through on the right side (Top
side) of the fabric, and the stitch feels bumpy, turn the dial
to a lower tension setting number to loosen the needle
thread tension.
• Tension is too loose
<_ Needle thread (Toe 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, 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
(_)lncrease tension
@ Decrease tension
NOTE:
Small screwdriver is not furnished with model 15202, but
may be ordered. (page 4)
In some instances, you may need to adjust the bobbin
thread tension.
Turn the adjusting screw _)in the direction of @when the
bobbin thread tension is too tight.
Turn the adjusting screw(_)in the direction of(_when the
bobbin thread tension is too loose.
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