... switch trips, the use of the slider displacement control of mechanical switches and proximity switches. ... fuel tank of the hydraulic circuit supporting insurance, ensure safety. Hydraulic pump from the tank, axial piston pump, motor, II Cartridge ... )Axial variable pump The hydraulic system uses a variable YCY14-1B axial pump. 4,Parts:1.High pressure pump Qidong High pressure pump factory2.Hydraulic ...