Saeco Minuto brewing unit gasket replacement

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Open the hatch on the side panel and remove the brewing unit.

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The spout for the hot coffee is located on the top of the brewing unit. It is fastened with two screws. Underneath is the crema valve. It consists of a spring and a little glass ball. Make sure the spring is reinserted with the thin end touching the glass ball when re-assembling.

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The upper piston is held in place in the frame with four locking pawls. Push down all four latches with a spudger, then remove the piston by pushing it downward.

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There are three Torx T10 screws in deep blind holes that hold together the two parts of the brewing unit. Unscrew them and lift off the upper side panel.

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Now you can disassemble the brewing unit into its three main parts: the brewing unit and the two side panels.

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You can push out the lower piston from the brewing unit if you snap the deflection lever out of its socket with a screw driver.

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Take this opportunity to carefully replace the two O-rings on the support valve. The larger one is at the top. These two seals are stressed during every brewing process. Therefore, lubricate them with food-safe silicone grease.