DeLonghi ETAM series upper brewing piston replacement

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There are six connections on the upper brewing piston: three hot water pressure lines, one non-pressurized waste water line, a hose line to the coffee spout and two cables to the microswitch. All must be removed first.

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Disconnect the two spade connectors from the microswitch

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Take off the black bend protector on the middle pressure line.

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Unscrew the two Allen screws (4 mm).

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Unscrew the Phillips screw on the black protective plate on the left and pull off the protective plate.

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Using a flat tool, disconnect the drain hose on the left.

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Remove the two Phillips screws securing the side of the upper piston support plate.

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Pull off the hose to the coffee spout.