はじめに
In order to properly maintain and repair the Buttonholer, you will need to know how to remove the cover.
必要な工具と部品
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Press down on the adjusting knob, and turn it to the left until the knob is unscrewed.
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もう少しです!
To reassemble your device, follow these instructions in reverse order.
終わりに
To reassemble your device, follow these instructions in reverse order.