Runkorakenne kuituisen rainan valmistamiseen tarkoitetussa koneessa ol evaa puristinta varten

The framework for the press of a papermaking machine or the like includes interconnected opposite side frames each having two columns. Each column on the operational side of the machine has a section that is removable to permit exchange of an endless press felt and/or other belt extending through the press nip. All four columns are axially prestressed with a force exceeding by a safety margin the tensile force induced in the respective column during operation of the press. The columns preferably are box beams. They are prestressed by hydraulic nuts connected to tension rods disposed within and extending axially of associated ones of the columns. The tension rods in the columns having a removable section are formed in two parts interconnected by a quick connect/disconnect coupling that is located proximate to the removable column section. Disengagement of the coupling permits movement by an actuator of one of the two rod parts away from the other and from the removable column section.