Troubleshooting Challenge: Post-Hole Hammer Undergoes Pump Failures (.PDF Download)

    Feb. 4, 2016

    A fence contractor had a hydraulic attachment for his front-end loader that hammered fence posts into the ground. He would only get about two to three months of operation from the system before the hammer’s pressure-compensated pump would fail. The pump manufacturer denied warranty claims, citing “lack of lubrication” as the cause of the failure...

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