K5V200DTH-9N2Y Bộ máy đào EC480D Máy bơm thủy lực chính

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August 06, 2026
Mô tả video:
This video demonstrates the assembly process, internal structure, and key operational features of the K5V200DTH-9N2Y hydraulic main pump for EC480D excavators. You'll see detailed explanations of how axial variable piston pumps work, witness common maintenance procedures, and learn about troubleshooting slow operation, engine overload, and abnormal noise issues. The walkthrough covers proper installation techniques and regular maintenance practices to extend pump lifespan and reduce failure rates.