Cleaning the membrane-water flow valve, located inside the cooking group espresso machine, made at least once a week. This operation carried out by the so-called "blind filter" (without holes). Determination of the purity of the membrane espresso machine is made by filing a small amount of water in the cooking group, with filter holder is not installed. If the water flows evenly, the distributor is clean and functioning properly. If the water jet strikes, the valve is dirty or has worn and needs replacing. Sealing gaskets ensure that the water during cooking do not fall directly into the finished coffee. Any loss of water pressure decrease during cooking and reduce the taste of coffee ready.

In case of leakage of water necessary to replace gaskets according to the instruction manual espresso machine. Water quality is also of paramount importance in the preparation of espresso coffee. To espresso has worked well to produce water treatment, coming into the coffee machine. Water previously passed through an additional device – softener, which reduces the hardness to the optimum corresponding to the reference level of severity. If the water has not been cleaning the walls of the boiler tubes and espresso will appear lime deposits, which subsequently lead to a decrease in water pressure during cooking. The presence of scale also leads to a decrease in optimal Water temperature in continuous operation machine type.

Complex special resin water purifier removes scum, so they must be periodically regenerated, taking into account only the amount of treated water. Period the last regeneration does not matter. As a rule, for every liter of treated water should be used 30-40 grams of salt for the regeneration of the filter. Softener, containing 1 kg purifying resins should be subjected to regeneration by As you use 12-15 kg of ground coffee. Softener, containing 2 kg of resin to be regenerated after every 25 kg of coffee. If an automatic softener type, regeneration is performed automatically, in accordance with the program given by a qualified mechanic who will install the softener and connect it to the coffee machine. We wish you long life of your machine and let it always pleases you and your guests institutions constantly great taste of prepared espresso!