Compak K10 Chute Mods

by **Peppersass** on Sat Jul 10, 2010 6:19 pm

michaelbenis wrote:With JohnB's mod, the K10 also has pretty low grind retention for a big conical

What exactly is JohnB's mod? Is there a link to it?

Somewhere I saw a post that said JohnB sent someone a modified chute, but haven't seen any details on it. I've also seen a picture of a K10 chute with the narrow plastic strip above the opening cut back, probably with a dremel tool. This looks like a fairly easy mod that might be useful for being able to see further into the chute to sweep it out. But near as I can tell it wouldn't reduce retention.

Moderator note: Topic split from Compak K10 Doserless. See the original thread for context.

by **JohnB.** on Sat Jul 10, 2010 9:50 pm

There is nothing complicated about the chute mods I did but they do improve access & help with grounds retention. Cutting away the upper edge (strip) gives much better access & removing the entire raised "step" molded inside the chute allows the grounds to flow through quicker & they don't pack in as densely. With the stock chute the grounds drop from the metal portion of the chute into the wide part of the plastic extension, immediately hit the step & start backing up. You end up with more grounds in the chute & the burr chamber.
It's not a great photo but this shows the modified plastic chute which is now smooth from the metal portion to the outer edge. I also added a piece of sticky back velcro to the under side of the metal chute to close the gap between the two chute sections as grounds could easily fall down into the motor area.

by **jammin** on Sat Jul 10, 2010 10:08 pm

I modded mine just like john's. Easy to do and a necessary improvement.

by **Javacat** on Sun Jul 11, 2010 12:51 am

Brian, fyi, the Major doserless is terrible at grinds distribution, so unless you plan on using the weiss method, I would go with the k10 or a standard Major with the doser.

-Kurt

by **AidanC** on Sun Jul 11, 2010 1:09 am

jammin wrote:I modded mine just like jon's. Easy to do and a necessary improvement.

How would the mods affect warranty, I'm curious.

by **Peppersass** on Sun Jul 11, 2010 3:10 am

Thanks, John. How did you remove the step, and did you remove it all the way around the opening (top, bottom and sides?)

by **gyro** on Sun Jul 11, 2010 5:37 am

Javacat wrote:Brian, fyi, the Major doserless is terrible at grinds distribution, so unless you plan on using the weiss method, I would go with the k10 or a standard Major with the doser.

-Kurt

Is this from personal experience with the Major-E? Cheers, Chris

by **JohnB.** on Sun Jul 11, 2010 11:07 am

AidanC wrote:How would the mods affect warranty, I'm curious.

You are only modifying an easily removed plastic section. These cost $11 U.S. (part# K00008N.) so I bought a couple to play with & have the original chute in a drawer. I can't imagine this being an issue but if you needed to return the grinder for service you could reinstall the original piece in about 2 minutes. I did mention my plans to Josh @ Compak USA when I was looking for the part number & he didn't say anything that would indicate the mod might be a warranty problem.

by **JohnB.** on Sun Jul 11, 2010 11:10 am

Peppersass wrote:Thanks, John. How did you remove the step, and did you remove it all the way around the opening (top, bottom and sides?)

I did remove it on all 4 sides using several different hand files. I removed all file marks using 180/320/600Grt wet sandpaper.

by **Peppersass** on Sun Jul 11, 2010 12:40 pm

JohnB. wrote:You are only modifying an easily removed plastic section. These cost $11 U.S. (part# K00008N.)

Thanks for the mod info. Where did you get your spare chutes?


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