跳到步骤#8

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步骤行

[* black] Remove the hose connecting the upper piston and the coffee outlet.
[* black] Remove the upper piston.
[* black] Remove the Torx T20 screw from the screen of the upper piston.
[* black] Take off the cover of the gasket and the gasket.
[* black] Replace the gaskets of the upper piston, the coffee outlet and water connector.
[* black] Clean thoroughly all parts. Use food-proof silicone grease to lubricate the gaskets.