Download Use and maintenance instructions for NDC 8

Destemming and crushing
The “destemming and crushing” operating mode is the one most suitable for the
majority of the wine cellar’s purposes in processing white and/or red grapes.
The other two operating modes, “destemming alone” and “crushing alone” are
intended for very limited uses, almost exclusively involving white grapes that need
special processing.
Destemming alone
This is a method that is used with particular white grapes, which are then sent
immediately to the pneumatic pressing stage.
Crushing alone
This method is also used with certain types of white grape, which then go straight to
the pneumatic pressing stage.
The reason for retaining the stems in this case is to improve the drainability of the
mass of crushed grapes, so as to facilitate and accelerate the outflow of the must.
4.3 “Destemming and crushing” operating mode
In this operating mode, the destemmer-crusher first removes the grapes from the
stems and then crushes the grapes between the rollers 4 (Figure 6).
Figure 6
Depending on the type of grape and the type of destemming action needed, the
turning rate of the beater bar 3 can be adjusted by means of the potentiometer
(Figure 7).
Before adjusting the potentiometer, you need to release it by means of the side
lever, which must be returned to its locked position before getting back to work.
Low turning speeds enable a gentle, good-quality destemming without
particularly affecting the grapes, but this means a lower productivity; on the
other hand, high turning speeds enable higher outputs but of lower quality.
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NDC8-18_0307R01GB