NH1722S Instruction Manual
• Inserting bobbin
Place a bobbin in the bobbin case, making sure the
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thread feeds clockwise from the bobbin.
Draw the thread through the slot of the case.
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Continue to draw the thread under the tension spring
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and through the opening.
Pull out about 4" (10 cm) of thread.
Tension spring
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Holding the latch open, position the bobbin case into the
shuttle, and then release the latch.
The case should lock into the place when the latch is
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released.
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1722S Owners Manual/ User Guide