Saeco Exprelia brewing unit gasket replacement

소개

The gasket of the brewing unit has to withstand heavy usage. Especially the large O-Ring on the piston needs replacing from time to time. Follow this guide to replace the gasket.

Note: The images show the brewing unit of a Saeco Minuto and may may differ slightly, but the procedure is basically the same.

필요한 것

1 단계 Brewing unit gasket

Saeco Exprelia brewing unit gasket replacement, Brewing unit gasket: 1 단계, 이미지 1/2

Saeco Exprelia brewing unit gasket replacement, Brewing unit gasket: 1 단계, 이미지 2/2

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

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2 단계

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.
Remove the two Torx T10 screws on the crema valve.
Lift off the crema valve minding the spring and the glass ball.

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3 단계

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.
If you want to replace the gasket, you can do this now and re-assemble the device and stop here. However, a general maintenance of the brewing unit is strongly recommended.
Unscrew the Torx T10 screw on the brewing sieve and remove it.

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4 단계

Saeco Exprelia brewing unit gasket replacement: 4 단계, 이미지 3/3

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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5 단계

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

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6 단계

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.
Clean all parts with very hot water and dishwasher liquid.
Grease all moving parts with food grade silicone fat. Dont forget the tracks in the side panels.