Komatsu pc130 8 Main Control Valve Fix Weak Hydraulics

See the solution in real use and note how it behaves under normal conditions. In this video, we demonstrate the complete repair process for a Komatsu PC130-8 excavator's main control valve, showing how to diagnose and fix weak hydraulic performance issues. Watch our step-by-step troubleshooting and replacement procedure using quality aftermarket parts from Shenzhen Huabang Machinery, including proper installation techniques and testing the restored hydraulic functionality.