Question about Grinders
DO NOT leave it that way - that fuse is for YOUR protection, and the protection of your family and neighbors.
That humming is probably an byproduct of the speed control, not too much to worry about. The vibration should go away almost entirely when you reset the wheels to run true and dress them to balance.
The capacitor is your starting capacitor - its voltage rating is completely unimportant - that's a max voltage rating, and they only wanted to stock one capacitor, not have one for the 120V versions and a second one for the 240V versions.
Did you by chance start working on this grinder while it was still under warranty?
If the wheels turn freely when the power's off, and if the grinder doesn't get awfully warm when it's in use, then I'd think that the problem is within the speed control board.
Posted on Jul 29, 2014
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Posted on Jan 02, 2017
SOURCE: grinder won't stay running
what is the mf(microfarad) rating and the voltage,then go to an industrial electical shopand buy one for the correct voltage and an (mf) equal or greater ,but not by more than 10%---mine cost $9.00-in Maine---good luck- MATT
Posted on Jan 04, 2009
Replacement should be simple. Just do a one for one hookup with the new part, after you unplug it first.
For a diagram go to;
Posted on Mar 28, 2009
Here's a link to download the pdf.
If it doesn't work, start here:
Posted on Mar 02, 2010
Try wrapping a thin cord around the shaft many times to allow the shaft to be spun in the normal running direction when pulled. Pull sharply on the cord and turn the motor on--if the starting capacitor is bad, the motor should continue to run until shut off. If there is no capacitor, then the motor uses a start winding and a centrifugal switch to start. The switch is supposed to open when the motor comes up to speed. If you used to hear a loud 'click' when the motor was shut off and slowing down, then you likely have the start winding and switch. If the contacts on the switch become burned and not make contact, then it will display the symptoms you mention. You will need to access one or the other end covers to reach the switch. Hope this helps!
Posted on Jan 10, 2011
as for slowing it down, no problem. Hook it to a cord with a dimmer switch connected to it. Make sure your running with the same power rating though. As for a dripper, no ideas just yet.
Posted on Mar 10, 2011
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