소개
If the upper brewing piston is leaking and dirty, it must be cleaned and resealed; or it may also need to be replaced.
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The rear panel and side panels are attached with six phillips screws #2. Screw them out.
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The left side is a bit stuck. Place a plastic opening tool in the gap between the front and left side panel above the opening for the water tank. Lift the gap slightly larger.
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Then place the tool in the gap between the front and left side panel under the opening for the water tank. Increase the gap and push the side part about 2 cm to the rear.
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Lift out the left side piece.
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The front panel is secured with four PH2 Phillips screws, two left and one right each. Turn it out.
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Use a plastic opening tool to lever off the steam tap.
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Carefully pull the front panel about 1 cm forward so that there is a gap between the top cover and the front panel,
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Two Phillips screws PH2 hold the lid at the back. Turn it out.
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Lift the lid upwards.
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Here you can see the heater from above. It is connected with two pressure hoses and two cables for the heater. In addition, cables lead to two sensors and to the green/yellow protective conductor connection. The mechanical mounting consists of four long screws with nuts.
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Lift up the heater. The upper piston is located on the underside. If you only want to work on the upper piston, you can leave the other connections, otherwise you will have to detach them.
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Unscrew the two Phillips screws that secure the upper piston to the heater.
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Pay close attention to the microswitch, which now falls off easily. Do not lose it,
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Remove the valve spring with piston. Do not lose it.
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Work through the steps in reverse order to reassemble your device.
Work through the steps in reverse order to reassemble your device.
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