Введение
If the fork arm in The Buttonholer is not moving properly while being operated, chance are you need to replace the spring holding the arm.
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Unscrew the screw located underneath fork arm using a Flathead screwdriver.
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Raise the fork arm so that it is parallel with the upper hook.
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Turn the lower hook towards you from the bottom, and remove.
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Remove the old spring from the hook.
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Add the new spring to the hook.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.