1. The operator holds the operating requirements. PE fusion welding machine operators must complete two certificates before they can carry out construction. They are PE automatic hot melt welding machine operation certificate and PE welding license.
2. Inspection of pipes and fittings. The inspection includes a certificate of conformity and an inspection report; the appearance of the pipe is clean and smooth, there is porosity, and the length is uniform.
3. Verify the circuit. Ensure that the power supply voltage meets the requirements of the welder; clean the heating plate; set the operating parameters correctly.