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 leakage of main control valve, oil seepage and oil leakage on valve body
- Severe internal leakage, rapid pressure drop and poor pressure retention
- Spool sticking, no response of corresponding function
- Worn overload relief valve, low system pressure
- Damaged check valve, abnormal return of operation
- Scuffed valve bore, continuously increasing internal leakage
- Unstable pilot control pressure, erratic movement speed
- Aging and failure of seals, multiple oil leaks