Excavator Komatsu PC200-7K, PC240-7K PC210-7K Main Control Valve Product Overview Multi-way valve components 723-48-22700 and 723-48-23600 designed for Komatsu PC series excavators, providing precise hydraulic control for optimal machine performance. Common Faults & Symptoms Slow and weak machine movements Weak operation of single actuator (boom / arm / bucket / swing / travel) Jerky and vibrating movement Interference during combined operation, poor flow merging External