소개
The grinder is the same as in many devices from Jura, Siemens, Bosch, Melitta, etc... The pictures of the grinder are therefore from a Jura, but the repair is basically the same.
필요한 것
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Remove all attachments such as water reservoir, coffee compartment lid, trestle drawer. Remove all coffee beans in the storage container.
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Unscrew the five Torx T10 screws on the back.
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Unscrew the two Torx T10 screws on the front edge of the heat plate.
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Lift the front edge of the heat plate and slide it forward a bit to clear the tabs on the back edge.
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Put the heat plate back down, but in such a way that you can reach the screws underneath.
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Unscrew the two Torx T10 screws located under the heat plate.
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Gently lift the upper side a bit and put it back down.
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Push the side panel on the water tank back about 2 cm.
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Place the side panel next to the machine. Do not remove it completely yet, the cables of the switch are still connected.
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Disconnect the flat plugs from the switch. Be sure to note the order of the cables for later reassembly.
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Remove the side panel.
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Lift the top side slightly.
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Press down the locking tab on the plug of the white sensor cable and pull off the black plug towards the front of the machine.
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Press the two catches of the counterpart on the sides together and slide it out of the opening towards the back.
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Now the top is free and you can remove it.
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The grinder is damped with foam mats. One mat just rests on top. Remove it.
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The grinder is open in front of you.
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Now the grinder is free. Again take a picture, then pull out the axis of the adjuster with moderate force.
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Depending on the model you will find a silicon sealing on top of the grinder ring, remove it.
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Watch the fabrication signs , here green. This alignment must be restored later. Now turn the great black gear about 90 degrees counterclockwise. The grinder ring is free and can be lifted off.
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The grinding cone is fastened with a long Torx T20 screw. The screw head is often covered with remnants of coffee beans. Expose the head and turn the screw out counterclockwise.
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Now the bean feeder (the small white snail) can be removed. The grinder cone and drive can now also be lifted up carefully.
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The grinder is usually filled with old, sticky coffee grounds. Clean everything carefully for an excellent coffee aroma.
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Gently lift the felt ring around the drive shaft with a needle, then wipe it clean with a damp cloth. Do not attempt to wash it, as there is a risk that it will swell. When first used, turn it over with the clean side up.
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Clean the inside of the grinder with a brush and damp cloth, and the blades with a dishwashing brush. Ensure it is properly dried before use.
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Push both of the small latches alternately. Then the ring cover should come out.
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Two clamps hold the grinder ring in its place, push them aside and it should come free.
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Again clean everything. Press the new ring and cover in its place. With that the grinder ring is exchanged.
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First insert the cleaned driver, then the three sleeves, springs and balls. Now fit the grinding cone on the three balls.
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Then fit the auger, screw in central screws. When screwing in, push the cone downwards and make sure that everything meshes.
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Insert grinding ring. The black gear is turned to the right again until the three marks are aligned. Then reinstall the adjuster drive shaft as it was originally.
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Then install the remaining parts in reverse order.
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You can set the grinding degree nicely by placing an empty roll of toilet paper perpendicular to the open mill and filling it with a few coffee beans. Plug in the plug (be careful!), choose a cup of coffee and watch as the coffee grounds fall out of the grinder.
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These two pictures are no fake: Before repairing the grinder the coffee is thin and transparent. With new stones the coffee is strong and has a fine crema. The repair was a real success!
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Work through the steps in reverse order to reassemble your device.
Work through the steps in reverse order to reassemble your device.
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