What Are the Precautions When Starting the Hydraulic Pump Motor with 800 Tons Hydraulic Press?

① before Starting, Fill the Pump with Clean Hydraulic Oil through the Oil Return Port on the Pump Casing, Otherwise It Is Not Allowed to Start.

② Rotate the Coupling by Hand, Check Whether the Pump Shaft Is Even in Rotation (Whether There Is a Problem with the Assembly of the Pump Can Be Found), and Check Whether the Two Couplings Are Concentric, whether There Is a Necessary Axial Clearance between the Two Couplings.

③ Check Whether the Rotation Direction of the Motor Is Consistent with the Specified Rotation Direction and Whether the Inlet and Outlet Ports Are Installed Correctly.

④ the Hydraulic System Should Have an Empty Load Circulation Circuit, So as Not to Start and Stop the Pump at Full Load (It Is Easy to Reduce the Service Life of the Pump and Cause Overload of the Prime Mover). The Adjustment Pressure of Safety Valve in Hydraulic System Shall Not Exceed 35mpa.

⑤ When the Pump Starts, It Will Start First.

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