Simply Sixteen User Manual 1.1
Page 10
Bobbin and Thread Tension Adjustments
Inserting the Bobbin
1.
Place the bobbin in the bobbin case so that the thread pulls
off clockwise when viewing the open side.
2.
Slide the thread through the slot and under the tension
spring leaving 5-6 inches of thread hanging loose.
3.
Do not lift the lever on bobbin case. Fit the bobbin case onto
the hook spindle in the machine. Rotate the casing until the
open throat keys into the middle notch in the hook. Push the
casing in until it stops in place. Push inward until it clicks (see Photo 8).
Note:
It is not suggested that the lever on the bobbin case be used for this installation.
The latch lever should be used only for removal of the bobbin case.
4.
Turn off the power switch while inserting the bobbin case or anytime the hands are near
the needle area.
Drawing up the Bobbin Thread to the Top of the Quilt
1.
After the machine is threaded, locate needle up button on the left handle.
2.
With the needle in the up position, firmly hold the tail of the needle thread and press the
needle up button with free hand. This will bring the needle back to the up position.
3.
Pull the machine 2-3 inches away while holding the needle thread.
4.
Bobbin thread will pull up through to the top allowing you to grasp the loop and pull it to
the desired length.
Bobbin Tension
The bobbin tension is the foundation tension for the entire
machine. To test that bobbin tension is correct, hold the
bobbin case in the palm of your hand with the open end
facing up - wrap the thread around your index finger and
while pulling up on the thread and wiggling the finger front to
back (not up and down which is not consistent), the bobbin
case should lift up on its side, but NOT lift out of your hand.
If it will not lift up onto its side, it is too loose and if it lifts out
of you hand it is too tight. The small screw in the center of
the tension spring is where the adjustment is made (see
Photo 9) – Turn clockwise to tighten and counterclockwise to
loosen the bobbin case tension.
Photo 9
Photo 8
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