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

At initial start-upframe type hydraulic pressWhen oil pump, pay attention:
① Fill the pump with oil;
② InspectionBoxWhether the rotation direction of the hydraulic press is correct;
③Gantry hydraulic pressWhether the inlet and outlet are reversed;

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.