Question about Dremel Variable - Speed Multipro Rotary Tool 395

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Nylon Coupler crscks when installing

Moto-Tool 395.. Nylon coupler cracks open whrn I replce it. Two ?'s : How do I order replacement nylon couplers and why do they crack open when I install?

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I'll answer last question first. They might be cracking because they are in a bind and when turned on or inserted on the shaft there is too much pressure. Make sure the shafts are free of any debris from the original coupling, also check the bearings for wear or being so tight that they twist the coupling. Everything should move freely. And second I would recommend calling Dremel direct at 1-800-437-3635 for replacement parts. Hope this helps.
Dave

Posted on Dec 26, 2008

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