Jura Impressa S models dispensing head revision - iFixit Repair Guide

Introduction

Like on almost all coffee machines the dispensing head van be clogged up by coffee grease, the Jura S models are no exception. Once blocked, no coffee will be dispensed by the nozzles. The coffee will run through the sides, or only one nozzle is open. You can try to clean the nozzles with a pipe cleaner, but this is not a good and long-term solution.

A revision and cleaning is not that difficult. For this purpose the machine has to be opened up.

What you need

Step 1 How to open a Jura Impressa S model cover

Jura Impressa S models dispensing head revision, How to open a Jura Impressa S model cover: step 1, image 1 of 2

Jura Impressa S models dispensing head revision, How to open a Jura Impressa S model cover: step 1, image 2 of 2

Always remove the power cord from the wall outlet.
Lift out the coffee tray
Remove the lid sealing the coffee bean container
Remove all of the coffee beans you can possibly remove.
Pull the adjuster of the coffee bean grinder straight up
Remove the four T15 Torx screws

Step 2

Jura Impressa S models dispensing head revision: step 2, image 1 of 2

Jura Impressa S models dispensing head revision: step 2, image 2 of 2

Remove the cup heat plate.
It can be opened like a book.
Below the cup heat plate there are three more T15 Torx screws. Remove them.

Step 3

Jura Impressa S models dispensing head revision: step 3, image 1 of 1

The top cover is now free. Lift ´er up and set ´er aside.

Step 4 Jura Impressa S model front cover

Jura Impressa S models dispensing head revision, Jura Impressa S model front cover: step 4, image 1 of 2

Jura Impressa S models dispensing head revision, Jura Impressa S model front cover: step 4, image 2 of 2

Remove the knob for the steam valve by simply pulling it off.
The front cover is secured with a Torx T15 screw. Remove it.

Step 5

Jura Impressa S models dispensing head revision: step 5, image 1 of 1

Now the front cover can be opened like a door for a few inches. The hinge is on the left.

Step 6

Jura Impressa S models dispensing head revision: step 6, image 1 of 1

Various hoses hinder the further opening of the front cover. You need to remove the steam valve keypad from the cover.
Use a spudger to lift the two notches at the top of the front cover a bit to release the keypad at the top.
Lift the keypad upwards and pull it to the back. The steam pipe will slide out from its connection.
All hoses can remain connected.

Step 7

Jura Impressa S models dispensing head revision: step 7, image 1 of 1

Remove the silicone hose leading from the steam valve to the coffee spout. If it is secured with a cable tie which must be removed first.
The front cover is now free and can be opened.

Step 8 Revision of the dispensing head

Jura Impressa S models dispensing head revision, Revision of the dispensing head: step 8, image 1 of 3

Jura Impressa S models dispensing head revision, Revision of the dispensing head: step 8, image 2 of 3

Jura Impressa S models dispensing head revision, Revision of the dispensing head: step 8, image 3 of 3

Turn the machine so that the back is facing you and push the coffee spout up as far as it will go.
Directly above the upper edge of the housing are two openings on the back of the coffee spout. In them you will see two detents. Carefully press the latches inwards, then you can remove the cover of the coffee spout.

Step 9

Jura Impressa S models dispensing head revision: step 9, image 1 of 2

Jura Impressa S models dispensing head revision: step 9, image 2 of 2

The opened coffee dispenser looks like this.

Step 10

Jura Impressa S models dispensing head revision: step 10, image 1 of 3

Jura Impressa S models dispensing head revision: step 10, image 2 of 3

Jura Impressa S models dispensing head revision: step 10, image 3 of 3

Open the front panel like a door.
The supply lines are connected with an angle piece. Above on the angle piece is a clip. Carefully bend it little upwards and pull out the angle piece. It might be stuck a little at first.

Step 11

Jura Impressa S models dispensing head revision: step 11, image 1 of 1

The coffee spout is still clipped in with four detents. Carefully press the four latches inward - this is quite difficult - and lift the coffee spout out to the front.

Step 12

Jura Impressa S models dispensing head revision: step 12, image 1 of 1

This is how the coffee spout looks from the back.

Step 13

Jura Impressa S models dispensing head revision: step 13, image 1 of 1

The chrome coffee spout distributor must be slid out for cleaning. It will probably jam the first time.
The distributor is secured with a detent. Carefully lift the detent with a metal spatula.
Place a lever tool in the gap between the distributor and the coffee spout. Gently lift the distributor out about 8 mm alternately on the left and right.

Step 14

Jura Impressa S models dispensing head revision: step 14, image 1 of 3

Jura Impressa S models dispensing head revision: step 14, image 2 of 3

Jura Impressa S models dispensing head revision: step 14, image 3 of 3

Turn the coffee spout upside down. The inner coffee spout must be removed for cleaning.
This model still has a metal tube inserted for the tea water. First loosen the plastic lock, then carefully pull out the tube with wiggling movements.
The inner coffee inlet is still clipped in. Release the catch and lift it out.
Watch out for the magnets that act as a brake on the sliding plate. Do not lose them.

Step 15

Jura Impressa S models dispensing head revision: step 15, image 1 of 1

The coffee outlet manifold of this unit was un-appetizingly dirty. The aroma of the coffee suffers. The coffee no longer went through properly.
You can pull the distributor off completely, but it is not absolutely necessary. Clean all parts well or replace if something is damaged.

Conclusion

Follow the steps in reverse order to reassemble the machine.

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