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How to clean Cuisinart DGB-850 grinder

How to clean Cuisinart DGB-850 grinder

Mark Biasotti

Mark Biasotti et un autre contributeur

Dernière mise à jour le December 29, 2024

15 minutes
Modérée
Tutoriel réalisé par la communauté

Introduction

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After searching for hours on the internet to find some instructions to be able to remove stuck grounds from my Cuisinart DGB 850 coffee maker, I decided to tackle the problem myself.
Starting with the DGB-850, Cuisinart has sealed off the ability for the customer to clean the grinder. To their credit, ours has worked flawlessly for the past two years, but just recently, I accidentally started a grind and stopped it a few seconds into it. It then started to brew. That resulted in wet grounds in the grinder.

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  1. How to clean Cuisinart DGB-850 grinder, no parts to replace: étape 1, image 1 de 1

    • The Cuisinart DGB-850 is a great "Grind and Brew" 10-cup coffee maker and we've been very happy with it. One drawback thou is on this model (and ones going forward) Cuisinart has disallowed the ability for the user to clean out the grinder hooper shoot. Ours has worked reliably for about 2 years.

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  2. How to clean Cuisinart DGB-850 grinder: étape 2, image 1 de 1

    • But recently I accidentally stopped the grind in the middle of the cycle and because of this, coffee started to brew and the grind in the grinder and became wet and stuck in the grinder. I've heard of other customers who had a power failure durning the middle of the grind and the same thing happened to them.

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  3. How to clean Cuisinart DGB-850 grinder: étape 3, image 1 de 1

    • Unfortunately, Cuisinart has made it almost impossible to get at the grinder to clean it out manually because the domed cap is permanently molded to the bean hopper shoot area and there is no visible way to remove the hopper shute. Fortunately, being a Product Designer, I figured out how to get to the grinder to clean it.

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    • before disassembling, I would first recommend that if you have an air compressor or compressed air canister ( purchased at a hobby store) attach a small vinyl hose to it (6mm or smaller) and stick it down into the opening underneath the dome to blow out the stuck grind. Be sure to let the grinder dry for at least 24 hours before doing this.

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    • But if compressed air does not work, the following is to show you how to disassemble the hopper from the coffee maker so that you can get to the grinder to clean.

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  7. How to clean Cuisinart DGB-850 grinder: étape 6, image 1 de 1

    • The first step is with a spudger (I like to use a no. 11 Xacto chisel blade) carefully lift the snap panel in front of the hopper area. Start at the outmost corners and carefully pry/lift at the parting line until all the snaps are free and the panel is removed.

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  8. How to clean Cuisinart DGB-850 grinder: étape 7, image 1 de 1

    • Once the panel is removed, you will see three M2.5 self-threading Phillips screws underneath. Remove these.

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  9. How to clean Cuisinart DGB-850 grinder: étape 8, image 1 de 2 How to clean Cuisinart DGB-850 grinder: étape 8, image 2 de 2

    • Now open the water door and in the rear corners you will see at left and right rear corners a small screw plugs at each corner. Unfortunately, this will be impossible to remove without damage. So I decided to drill them out with a 1/8" drill to remove them.

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    • An alternate method to remove the plugs (that I didn't try) is to try hot-melt glue a stir-stick to the top of the plug to see if you can remove it this way.

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  11. How to clean Cuisinart DGB-850 grinder: étape 10, image 1 de 1

    • Once these are removed, then you can get to the two M2.5 self-tapping screws underneath them. Remove them.

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  12. How to clean Cuisinart DGB-850 grinder: étape 11, image 1 de 1

    • The last step in removing the hopper is to overcome the two snaps at the top of the rear housing. Using a medium flat-blade screwdriver, press into the slot while at the same time lifting up on the hopper housing. until the snap hook is released. Do this for both left and right hooks.

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  13. How to clean Cuisinart DGB-850 grinder: étape 12, image 1 de 1

    • Now you can lift the bean hopper housing from the outer housing. You can now look directly into the hopper shute and see your stuck grounds. At this point, you can easily clean out any stuck grounds.

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  14. How to clean Cuisinart DGB-850 grinder: étape 13, image 1 de 2 How to clean Cuisinart DGB-850 grinder: étape 13, image 2 de 2

    • because I pretty much destroyed the screw plugs, and because I have a 3D printer, I just printed some new plugs and use them to replace the ones that I destroyed.

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    • If you don't have a 3D printer, you could then, when reassembling, Insert and tighten the screws. Then, hot melt glue the hole to fill it. This should work fine to avoid water ingress.

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    • Now you can reassemble the three screws in the front and replace the snap cover panel and you're good to go.

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Conclusion

Reverse order of disassembly to reassemble.

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Mark Biasotti

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