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Task 9 - Loading the Bobbin Case (continued)
6. Test the tension of the bobbin case every time bobbin thread is changed; bobbin tension is the
foundation for correct thread tension.
a. Place the bobbin case at on its side, on your palm.
b. Pull up on the thread. The thread should run freely and the bobbin case should rise into a
vertical position without lifting o your hand.
Too Much TensionCorrect TensionToo Little Tension
• If the case remains on its side, there is too little tension. Turn the large screw clockwise.
• If the case lifts into the air, there is too much tension. Turn the large screw counter-
clockwise.
7. Place the bobbin case inside the machine with the lever (shown in blue) at the 3 o’clock
position. It should click into place. Do not pull on the lever while inserting the bobbin case.
Large Screw
6
7
Part Three | Preparing to Quilt
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