Jura Z Model Exhaust Valve Repair Repair Guide

Difficulty

Moderate

Steps

Time Required

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Sections

Opening the Jura Z series housing
8 steps
Repair outlet valves
2 steps

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BackJura Impressa Model Z repair.
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Introduction

What you need

Step 1

              Opening the Jura Z series housing

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

Unplug the machine from the power outlet

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

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Step 2

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.

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.

Step 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!!!!

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!!!!

Step 4

Push the back down a bit and then remove it.

Push the back down a bit and then remove it.

Step 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.

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.

Step 6

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

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

Step 7

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!

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!

Step 8

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

Pull the left side panel backwards to take it off.

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

Step 9

              Repair outlet valves

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.

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.

Step 10

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.

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.

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

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Member-Contributed Guide#

Introduction#

What you need#

Member-Contributed Guide

Introduction

What you need