Preparation before assembly: Familiarize yourself with the drawings, analyze the hydraulic schematic and hydraulic oil circuit layout diagram, and clarify the direction of the system's oil inlet, return, drain, main oil circuit, and control oil circuit. Understand the installation diagram of the hydraulic support and the assembly diagram of each hydraulic component, clarify the installation position and installation method of each hydraulic component. Collect materials and obtain the hydraulic components (main valve, pump, pilot oil source, etc.), pipeline components (pipe joints, rubber hoses, etc.), and auxiliary components (bolts, spring washers, etc.) required for assembly according to the drawings and material list. Equip tools according to actual assembly needs: 1 set of open-end wrenches, 1 set of Allen wrenches, torque wrenches and torque wrench open-end heads, and be familiar with using torque wrenches.