MACAP M7KR cleaning

by **afan** on Fri May 06, 2011 2:55 am

Anyone know how to remove the lower grind cone for cleaning?

by **another_jim** on Fri May 06, 2011 5:41 pm

Don't (I think).

It's only removed for changing burrs. Unscrewing the center screw is a major production; and I don't think removing it will reveal any dirt buildup. I've heard on some grinders, grinds get into the lower chamber where the electrics are. I think this would be due to sloppy assembly, and best handled by going in from the bottom with a brush and vacuum cleaner.

by **Whale** on Fri May 06, 2011 7:12 pm

I would heed Jim's recommendation...

I have a MXKR, Not the same but probably very similar. I had to change the burr because of damage to them. Removing the bolt that secures the lower burr required that the whole grinder be taken apart and that I find a way to keep the motor from rotating. This was long, difficult and painful. I would not recommend doing it just for a cleaning that will not reveal very much (your grinder may be different).

Good luck.

by **Bluecold** on Sat May 07, 2011 8:39 am

Put non-preboiled rice in the grind chamber and hold the upper burr tightly. When unscrewing the upper nut, you'll be turning in the grinding direction. Rice is hard and will provide enough resistance to unscrew the upper nut.

It's easy that way. You don't have to take apart the grinder.

by **another_jim** on Sat May 07, 2011 4:27 pm

Great tip! When the time comes for me to remove the lower burr; I will do this first. I've heard horror stories that some people who used metal bars to block the sweeper arms broke them off when they torqued the screw.

by **Whale** on Sat May 07, 2011 6:02 pm

I actually tried something similar using wooden sticks. All I achieved was grinding wood. :oops:

I wonder if rice would have created more resistance?
But I sure will try that trick next time (hopefully never) I have to change or remove a lower burr. Thanks.

by **symbology** on Sun May 08, 2011 1:46 am

Anyone try a cordless impact gun? Seems that it would work well for this.

by **afan** on Thu May 19, 2011 12:32 am

Thx for the inputs, I finally give-up, I have no reason to take this risk. Take out the upper part for cleaning is pretty sufficient in my case.


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