Jura Capresso IMPRESSA J5 Replacing the heat exchanger

Written By: VauWeh

Comments: 1

Jura Capresso IMPRESSA J5 Replacing the heat exchanger

Difficulty

Moderate

Steps

Time Required

No estimate

Introduction

If water is dripping under the floor panel in the front right area, you need to investigate where it is coming from. Check the water heaters, ceramic valve, exhaust valve and their hoses. If everything is dry, the somewhat inconspicuous heat exchanger could also be leaking at the bottom. It is made of light metal, its lid has only one screw in the middle. The lid can warp and is difficult to seal. A new heat exchanger solves the problem. To get better access, the ceramic valve must first be loosened, its connections can remain. The outlet valve should also be removed, the connections can remain.

Tools

Parts

Wärmetauscher

Step 1

Unplug the power cord!
Remove the water tank and the drip tray. Remove all coffee beans from the storage container.

Step 2

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.

Bei mir war nur die auf dem Foto gezeigte Schraube vorhanden, habe dann die 2. gesucht....gab es aber nicht. Es scheint also mehrere Ausbaustufen der Maschine zu geben ;-)

Michael -

Step 3

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!!!

Step 4

Also remove the two oval head screws underneath the ground coffee compartment lid.

Step 5

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.

Step 6

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.

Step 7

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.

Step 8

Remove the Torx T15 screw on the side panel with the water tank.

Step 9

Pull the right side panel slightly towards the back.
Remove the side panel.

Step 10

Pull the left side panel slightly towards the back and remove it.

Step 11

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.

Step 12

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.

Step 13

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.

Step 14

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.