What are the precautions when the frame type hydraulic press starts the oil pump for the first time?

在初次起动框式液压机油泵时，应注意：
① Fill the pump with oil;
② InspectionBoxWhether the rotation direction of the hydraulic press is correct;
③龙门液压机入口和出口是否接反；

④ Try turning by hand;
⑤ CheckBoxWhether air leaks into the suction side of the hydraulic press;
⑥ Start and run the gantry hydraulic press within the specified speed.
Low temperature startBoxWhen the hydraulic oil pump is used, it should be preheated first, and it can be started and stopped several times until the operation is flexible before it is officially operated.