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Custom 3D Printed key for the Delonghi crema valve. My machine ECAM 23.420.SW.
It also fits at some AEG and Siemens models.
This key makes it possible to remove the crema valve and clean it regularly.
In order not to use up an unnecessary amount of filament for the key, I designed it as a plug-in attachment for a regular 1/4 "socket-wrench-handle with locking ball (handle with slide piece and 1/4" receptacle). This means that this plug-in attachment engages well and is secured against loss - see pictures.
Not all of you have such a socket wrench handle, I have provided the following additional drive types for you:
as hexagon: SW 5 + 6 (mm)
as Pozidriv cross recess profile: 2PZ
as a simple slot profile: 1 x 5.5 (mm)
but works good as a socket wrench: 1/4 " (quarter inch)
Application:
Please be careful when installing and removing so that none of the small parts get lost.
The crema valve consists of several parts (for me it consists of a plug, valve pin and spring).
Remove the strainer from the brewing unit, which is usually fastened with a central
Phillips screw.
Behind it is the piston of the brewing unit - the crema valve is installed here on the
front. Put your printed key on the plug of the built-in crema valve and put it in
snap into the 4 indentations.
Turn the key with very light pressure in both directions (clockwise / counter-clockwise)
turn back and forth. The spring inside pushes the valve
little by little (up towards your printed key).