Jura Z 5 Model drain valve solenoid replacement

Введение

Removing and replacing the solenoid for the drain valve is quite simple. If the drain valve is not opened properly, the most likely failure pattern is as follows: after rinsing, the pressure is not taken from the brew group, the brew group motor continues to try to work, sounds very agonized. This process repeats itself a few times.

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Шаг 1 Opening the Jura Z series housing

Jura Z 5 Model drain valve solenoid replacement, Opening the Jura Z series housing: шаг 1, изображение 1 из 1

Unplug the machine from the power outlet
Remove all attachments: water tank, drip tray, aroma lid

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Шаг 2

Jura Z 5 Model drain valve solenoid replacement: шаг 2, изображение 3 из 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.

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Шаг 3

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!!!!

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Шаг 4

Push the back down a bit and then remove it.

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Шаг 5

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.

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Шаг 6

Jura Z 5 Model drain valve solenoid replacement: шаг 6, изображение 3 из 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

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Шаг 7

Jura Z 5 Model drain valve solenoid replacement: шаг 7, изображение 3 из 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!

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Шаг 8

Pull the left side panel backwards to take it off.
For some repairs it is not necessary to remove the left side panel.

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Шаг 9 Jura Z5 Drain valve magnet

Jura Z 5 Model drain valve solenoid replacement, Jura Z5 Drain valve magnet: шаг 9, изображение 1 из 3

Jura Z 5 Model drain valve solenoid replacement, Jura Z5 Drain valve magnet: шаг 9, изображение 2 из 3

Jura Z 5 Model drain valve solenoid replacement, Jura Z5 Drain valve magnet: шаг 9, изображение 3 из 3

The solenoid is secured with a bracket held in place by two Torx T10 screws
Remove the two screws.
Take off the bracket
Take the solenoid out.
Disconnect the cables from the solenoid.
If the solenoid is only removed to access other parts, the cables can remain connected.

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Шаг 10

In newer models, there is a drainage motor instead of a magnet. In principle, it is removed in the same way as the magnet. Use these instructions
Remove the two Torx T15 screws on the drain motor and take out the motor. The side with the blue cable is marked with a dot.
If you have only removed the motor to make further repairs, you can proceed to the next step.
First leave the motor connected. Trigger a flush and observe if the pin moves back and forth.
The motor does not necessarily need to be replaced. Bend away the four metal tabs on the motor flange and detach the metal housing from the black gear case. Now you can try to turn the armature. The pin should move smoothly back and forth. If not, some silicone grease on the drive worm can help.