Hydraulic control system for mobile earth mover - incorporates pressure adjustment system for emptying scoop

摘要

The hydraulic control arrangement has a suction system with a pressure valve situated in the tank pipe. There is a suction valve (1) between the pressure valve (2) and the control valve outlet (4). The outlet of the suction valve is connected to the piston side of the working cylinder, and the pressure adjustment of the pressure valve is variable. USE/ADVANTAGE - Hydraulic control arrangement for a mobile earth mover which facilitates the economic emptying of the load residue from the elevatable scoop.