Introdução
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.
Ferramentas
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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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Conclusão
To reassemble your device, follow these instructions in reverse order.
Um comentário
Will the spring look distorted if it needs replacing?