wrote on Fri, 25 Jul 2008 20:39:42 GMT:

> My wife has a Kitchenaid Professional 600 stand mixer that's
> worked great for a few years. She's trying to make pizza
> dough, and all of the sudden the dough hook keeps catching on
> the bottom of the bowl, and then of course the motor makes a
> horrible screeching.

> Anyone know what could be wrong?

There is a screw adjustment for mixer height and the locking nut may
have come loose.
--

James Silverton
Potomac, Maryland

Email, with obvious alterations: not.jim.silverton.at.verizon.not