1, in the cleaning tubing tank, to clean the pump into the oil filter.
2, the equipment began to use after 1 to 2 months, cleaning the tank and filter a hydraulic box.
3, such as the discovery of forward and retreat retreat failure, first check whether the action of the solenoid valve, such as solenoid valve normal operation, and then check the sequence valve, relief valve or one-way unloading valve impurity stuck phenomenon. (This phenomenon is generally easy to occur when the device is in use). If the phenomenon of stuck, open with gasoline or diesel cleaning, re-installed can be.
4, hydraulic pump station parts are equipped with oil-resistant rubber seals, such as seal damage, oil spills, should be replaced.
5, check the parts of the fasteners, so that in a tight state.