Installation steps for hydraulic pump seal repair kit: 1. Preparation: Firstly, it is necessary to prepare a Volvo hydraulic pump seal repair kit, toolbox, cleaning agent, rubber hammer, etc. 2. Disassembly of hydraulic pump: Remove the hydraulic pump, clean the surface and internal parts of the hydraulic pump, and ensure that the surface is clean and free of impurities. 3. Disassemble the seal: Use a rubber hammer to lightly tap the seal on the hydraulic pump to remove it. Be careful not to damage the installation seat of the seal. 4. Install a new seal: Install the new seal onto the mounting seat of the seal and gently tap with a rubber hammer to ensure stable installation of the seal. 5. Install hydraulic pump: Install the hydraulic pump back in its original position, connect the hydraulic pipeline and electrical wires. 6. Testing the hydraulic pump: Start the hydraulic pump and test its operation to ensure that the seals are installed correctly and there are no leaks. 7. Cleaning work: After installation, clean the surface and surrounding environment of the hydraulic pump to ensure that there are no impurities or dirt.