The equipment of a hydraulic system, with an electromotive unit to the off-line filtration, allows to improve the cleanness of the operating fluid, by system filters, which achieve a higher quality. Especially reduced, is the finest dirt level, though the early wear and tear of the system components is prevented. Beyond this, the durability of the operating fluid is prolonged distinctly.

To avoid negative and uncontrolled influences of polluted decanting systems as well as the pollution of the system upon adding unclean fresh oils, the Fluid should in any case be filled in via a fine filter of an off-line filter unit.