Introduction
The gaskets of the brewing unit are heavily used and should be replaced from time to time.
The Siemens brewing unit is identical to units of other brands, e.g. Nivona, Bosch, Melitta.
These instructions may also help with other Siemens/Bosch models and with coffee makers from Nivona, Melitta, and Miele—they have a very similar design.
What you need
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Remove the hose connecting the upper piston and the coffee outlet.
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Remove the upper piston.
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Remove the Torx T20 screw from the screen of the upper piston.
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Take off the cover of the gasket and the gasket.
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Replace the gaskets of the upper piston, the coffee outlet and water connector.
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Clean thoroughly all parts. Use food-proof silicone grease to lubricate the gaskets.
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To reassemble your device, follow these directions in reverse order.
To reassemble your device, follow these directions in reverse order.
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16 Comments
Très intéressant tutoriel.
Une heure me semble suffisant comme temps nécessaire.
À propos de « Note: there is another gasket on the shaft of the lower piston. Replacing it is difficult », c’est justement ce joint qui semble défectueux. J’ai pu l’enlever et le remettre, mais n’en ai pas trouvé de remplacement (-:
Maybe this one. It’s from Nivona, but the brewing unit is the same:
I have problem with my brewing unit of Siemens EQ 3 S300. Can you have an instruction to open it?
