On 2013-10-31, Gunner Asch wrote:
On Wed, 30 Oct 2013 19:52:21 -0500, Ignoramus22345
wrote:

I have a particular tool and cutter grinder. Its head is noisy, in
fact, its noise resembles the sound of a rotary siren (though not as
loud). Would you say that the most likely cause of it is bad bearings?

Either in the head or in the motor


Makes a lot of sense