EC140 14550306 Hydraulische hoofdregelklep UX22 Graafmachine Hoofdregelklep

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July 27, 2026
Videobeschrijving:
Observe the step-by-step operation and see practical examples of usage. In this video, we demonstrate the EC140 Hydraulic Main Control Valve UX22, showing how it functions as the hydraulic system's main switch and flow divider in excavators. You'll see detailed explanations of its role in controlling boom, arm, bucket, swing, and travel motions, along with common troubleshooting scenarios for issues like sluggish operation, unstable actions, and oil leakage failures.