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Jura Z Model Exhaust valve repair

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  1. Jura Z Model Exhaust valve repair, Opening the Jura Z series housing: stap 1, afbeelding 1 van 1
    • Unplug the machine from the power outlet

    • Remove all attachments: water tank, drip tray, aroma lid

  2. Jura Z Model Exhaust valve repair: stap 2, afbeelding 1 van 3 Jura Z Model Exhaust valve repair: stap 2, afbeelding 2 van 3 Jura Z Model Exhaust valve repair: stap 2, afbeelding 3 van 3
    • Turn the machine so the back is facing toward the front.

    • The Jura sign must be removed. Turn it a few millimeters counterclickwise.

    • If this becomes difficult use a suction cup to assist.

    • Remove the Jura sign.

  3. Jura Z Model Exhaust valve repair: stap 3, afbeelding 1 van 2 Jura Z Model Exhaust valve repair: stap 3, afbeelding 2 van 2
    • Behind the Jura sign are two screws with an oval head. They have to be removed.

    • These screws have an oval head that makes them look like rivets (picture 2). You need to use a special bit for their removal. If the right bit is not available, it could be done with a pair of needle nose pliers. Jura wants to keep us out of our own machines!!!!

  4. Jura Z Model Exhaust valve repair: stap 4, afbeelding 1 van 2 Jura Z Model Exhaust valve repair: stap 4, afbeelding 2 van 2
    • Push the back down a bit and then remove it.

  5. Jura Z Model Exhaust valve repair: stap 5, afbeelding 1 van 1
    • Pull the right side panel- as seen looking to the frontpanel - backwards and take it off.

    • Sometimes it gets a bit stuck and may require a bit more of a pull.

  6. Jura Z Model Exhaust valve repair: stap 6, afbeelding 1 van 3 Jura Z Model Exhaust valve repair: stap 6, afbeelding 2 van 3 Jura Z Model Exhaust valve repair: stap 6, afbeelding 3 van 3
    • In this step, you should remove the screws of the left side panel. The side panel can only be removed after removing the top cover.

    • Remove the Torx T15 screw on the front wall of the side panel.

    • In the side part there is a lid over the brew group. The lid is fastened at the top with two oval head screws. Remove those to remove the lid.

    • With the cover removed the brew group becomes visible

  7. Jura Z Model Exhaust valve repair: stap 7, afbeelding 1 van 3 Jura Z Model Exhaust valve repair: stap 7, afbeelding 2 van 3 Jura Z Model Exhaust valve repair: stap 7, afbeelding 3 van 3
    • This step shows how to remove the top cover

    • Remove the powder tray and all coffee beans.

    • The cover is fastened with three Torx T15 screws. Those are easily visible under the covers as well as the small cover on the left back side.

    • Remove the two Phillips screws on the bean container and remove the bean container.

    • Lift the cover upwards.

    • If it is stuck, use a plastic opening tool to carefully pry it open.

    • The lid of the bean container is held in place by a small, strong magnet that loosely rests. It is either in the green marked recess, or it remains hanging on the bean container. Make sure it is not lost!

  8. Jura Z Model Exhaust valve repair: stap 8, afbeelding 1 van 2 Jura Z Model Exhaust valve repair: stap 8, afbeelding 2 van 2
    • Pull the left side panel backwards to take it off.

    • For some repairs it is not necessary to remove the left side panel.

  9. Jura Z Model Exhaust valve repair, Repair outlet valves: stap 9, afbeelding 1 van 2 Jura Z Model Exhaust valve repair, Repair outlet valves: stap 9, afbeelding 2 van 2
    • Pull out the clamp on the lower outlet valve.

    • Carefully slide the lower outlet valve to the left so that the pressure hose comes out. Watch out for the O-ring. It will either get stuck in the valve or on the end of the hose. Replace it with a new one when reassembling.

    • Lift out the valve. The two hoses on the left can stay on.

    • The cover on top of the valve is held by three detents. Gently release the three detents with the flat end of a spatula and lift the cover straight up.

    • Carefully lift out the spring and valve stem. Pay attention to the sequence for later reassembly.

  10. Jura Z Model Exhaust valve repair: stap 10, afbeelding 1 van 3 Jura Z Model Exhaust valve repair: stap 10, afbeelding 2 van 3 Jura Z Model Exhaust valve repair: stap 10, afbeelding 3 van 3
    • Open the cover on the upper outlet valve in the same way.

    • Gently lift out the valve plunger.

    • Both valve plungers on this unit were broken. They were replaced with new ones. The plastic model is shown here, but a metal valve plunger will never break again.

    • If the plunger is still good, all you need to do is install new gaskets. Coat the seals thinly with food-grade silicone grease.

Conclusie

Work through the steps in reverse order to reassemble your device.

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