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A rotary tool by Dremel with different speed settings and attachment options.

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Collet Nut Frozen on Shaft

I have not used this Dremel tool in some years. The Collet Nut is frozen to the shaft and cannot be loosened to insert bits. How can I loosen this? Short of replacing the entire shaft? I have already soaked the part in coke and it has not loosened.

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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답변 2개

선택된 해법

A lot of these had a button which locks the shaft in place allowing you to put pliers on the collet and turn it. See if yours has such a lock.

해당 답변은 도움이 되었습니까?

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No kidding. That's the problem... the locking button does not hold the shaft in place and it slips out.

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@knightowl12 ,Jeffrey, If collet lock button not holding sufficient, you may have to disassemble the Dremel(link below) which will allow you to access the shaft which you can put vice grips on to hold the shaft while using pliers/vise grip on chuck to loosen collet(if able put a couple drops of penetrate oil to run down bit to collet jaws for 30 min. before starting the repair).

Dremel 8200 Disassembly

해당 답변은 도움이 되었습니까?

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Jeffrey D Sage 님은 대단히 고마워 할 것입니다.
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