Maintenance - ECM casa iv User Manual

7.4 Maintenance

(If you have any questions, please contact your specialised dealer.)
Replacing the group gasket and the shower screen
1. Switch off the machine, disconnect the power cord and make sure that the machine is cooled down to room
temperature.
2. It is recommended to remove all the removable parts (cup warming tray, water tank, drip tray), then turn the
machine over.
3. Loosen the countersunk screw in the middle of the brew group and the shower plate with an Allen key
(3 mm)
4. The shower screen and the shower holder (brass) can be removed easily.
5. Under the shower holder is a thin ring, the gasket of the shower plate (item. no. C449900790).
6. The group gasket (item no. C449900229) can only be removed by inserting a thin screwdriver between shower
holder and group gasket. Pry out the group gasket (the old group gasket will be damaged / destroyed).
7. Clean the groove completely, before installing the new group gasket. When inserting the group gasket, make
sure that the bevelled side (side with ECM on it) is facing upwards so that it is no longer visible.
8. Press the group gasket gradually into the pre-cleaned groove.
9. Then screw in the shower plate (item no. C519900102) and the shower holder.
10. In order to ensure that the group gasket is inserted properly, carefully clamp a portafilter without filter into the
brew group.
Follow the steps as indicated below:
1.
Brew group at the beginning
4.
Remove the thin gasket of the shower
tray
Instruction manual CASA IV
2.
Remove the countersunk screw in the
middle of the brewing unit
5.
Now the group gasket can be
removed.
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3.
Remove the shower screen and the
shower plate
6.
Remove the group gasket with a
screwdriver
ENGLISH