Drawing Up Bobbin Thread; Adjust The Needle Thread Tension For A Straight Stitch; Correct Tension; Tension Is Too Tight - Kenmore 18221 - Drop-In Bobbin Sewing Machine Owner's Manual

• Drawing up bobbin thread
[] Raise the presser foot. Hold the needle thread lightly
with your left hand and rotate the handwheel
counterclockwise for one complete turn.
[] Bring the bobbin thread up by pulling the needle thread
up.
[_Pull both threads 4" to 6" (10.0 to 15.0 cm) under and
behind the presser foot.
Adjust the Needle Thread Tension for a Straight
Stitch
• Correct tension
_1_Needle thread (Top thread)
_2_Bobbin thread (Bottom thread)
_3_ To loosen
_4_ To tighten
The ideal straight stitch has threads locked between two
layers of fabric, as illustrated (magnified to show detail).
If you look at the top and bottom of a seam, notice that
the stitches are evenly balanced.
When adjusting the needle thread tension, the higher the
number, the tighter the top thread tension.
Results depend on:
- stiffness and thickness of the fabric
- number of fabric layers
- type of stitch
• Tension is too tight
_ Needle thread (Top thread)
_2_Bobbin thread (Bottom thread)
_3_ To loosen tension
@ Right side (Top side) of fabric
@ Wrong side (Bottom side) of fabric
The bobbin thread shows through on the wrong side of the
fabric, and the stitch feels bumpy. Turn the dial to a lower
tension setting number to loosen the needle thread tension.
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