Sears 385. 12714 Sewing Machine User Manual


 
Adjust the Top Thread Tension
SECTION 2. PREPARE THE MACHINE FOR SEWING
Top side of fabric
Top
_Bobbin
thread
.................... J
Settlngmark
Loosen
f
Tighten
For Straight Stitch
The ideai straight stitch will have threads locked between the two layers of
fabric, as shown above, magnified to show detail.
If you look at the stitch, front and back, you will notice that there are no
gaps, that each stitch is smooth and even.
When adjusting top thread tension, the higher the number, the tighter the top
thread,
Choose the Correct Tension:
The best tension will depend on;
the stiffness and thickness of the fabric
the number of fabric Payers
the type of stitch
The top thread
is too loose.
o7O,
The top thread
appears on the
underside of the
fabric.
Tension is too loose:
The top thread shows through the
bottom of the fabric. The bottom side
of the stitch will feel bumpy.
The top thread
_stoo hght
The bobbin thread
appears on the
upper surtace of the
fabric,
Tension is too tight:
The bobbin thread will come through
the top of the fabric. The top side of
the stitch wilt feel bumpy.
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