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Jura Capresso IMPRESSA J5 Replacing the heat exchanger

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  1. Jura Capresso IMPRESSA J5 Replacing the heat exchanger, Jura Capresso IMPRESSA J5  opening procedure: 步骤 1 中的图像 1,1
    • Unplug the power cord!

    • Remove the water tank and the drip tray. Remove all coffee beans from the storage container.

  2. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 2 中的图像 1,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 2 中的图像 2,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 2 中的图像 3,3
    • Flip open the lid of the bean compartment.

    • Unscrew the two slotted screws inside the bean compartment. The screws have a rubber washer and will not come out completely.

    • Remove the bean compartment.

  3. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 3 中的图像 1,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 3 中的图像 2,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 3 中的图像 3,3
    在这个步骤中使用的工具:
    iFixit Precision 4 mm Screwdriver Bit
    $2.99
    购买
    • The top cover is fastened with oval head screws. Unscrew them.

    • These screws have an oval head that makes them look like rivets (picture 2). You need to use a special bit - also available at iFixit - for their removal. Here a DIY guide. 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 Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 4 中的图像 1,1
    • Also remove the two oval head screws underneath the ground coffee compartment lid.

  5. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 5 中的图像 1,1
    • Now you can pry up the top cover all around.

    • Remove the top cover. This often requires a little force.

    • Use plastic tools to avoid scratching your device.

  6. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 6 中的图像 1,2 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 6 中的图像 2,2
    • Turn the device with the back facing you.

    • Turn the Jura label a few degrees counterclockwise. If it's hard to do, use a small suction cup.

    • Remove the Jura label.

  7. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 7 中的图像 1,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 7 中的图像 2,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 7 中的图像 3,3
    • Underneath the label you will find two Torx T15 screws. Remove them.

    • Carefully pull the top of the chrome cover slightly outwards, then push it down and put it aside.

  8. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 8 中的图像 1,1
    • Remove the Torx T15 screw on the side panel with the water tank.

  9. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 9 中的图像 1,2 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 9 中的图像 2,2
    • Pull the right side panel slightly towards the back.

    • Remove the side panel.

  10. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 10 中的图像 1,1
    • Pull the left side panel slightly towards the back and remove it.

  11. Jura Capresso IMPRESSA J5 Replacing the heat exchanger, Jura J5 Magnetic Drainage Valve: 步骤 11 中的图像 1,1
    • The motor for the drainage valve is located in the lower side of the unit near the center. It is fastened with three screws and connected with several flat plugs. In the picture, the ceramic valve has already been pushed off.

    • Note: models from J6 onwards have a motor installed and not a magnet.

  12. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 12 中的图像 1,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 12 中的图像 2,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 12 中的图像 3,3
    • Unscrew the three Torx T15 screws on the motor for the drain valve. Pay attention to the washers underneath.

    • Carefully pull out the motor.

    • If you want to replace it, you still have to disconnect the flat connectors. Note where the connectors are connected.

  13. Jura Capresso IMPRESSA J5 Replacing the heat exchanger, Heat Exchanger: 步骤 13 中的图像 1,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger, Heat Exchanger: 步骤 13 中的图像 2,3 Jura Capresso IMPRESSA J5 Replacing the heat exchanger, Heat Exchanger: 步骤 13 中的图像 3,3
    • Here is the removed heat exchanger. You'll find it at the bottom behind the ceramic valve.

    • You should also detach the exhaust valve for better access. To do this, pull off the clip on the right-hand side.

  14. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 14 中的图像 1,1
    • The heat exchanger is connected with three hoses, and there is also an outlet in the base plate. When reassembling, make sure the gasket is still in place when you push the heat exchanger in. Make a note of which hose connects where.

    • Disconnect the three hoses and lift the heat exchanger up and out.

  15. Jura Capresso IMPRESSA J5 Replacing the heat exchanger: 步骤 15 中的图像 1,1
    • This exchanger was completely calcified and leaking because its cover plate was bent.

结论

Follow the steps in reversed order to disassemble your device

另外一个人完成了本指南。

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