Plastic Power Desoldering Pump Suction Desoldering Gun - Tin Vacuum, Iron.Specifications: Temperature regulationScope: 1 Scope: Removal of Tin Length: Approx. 280mmmaterial: plasticMaximum suction: 30Color: as pictured Operating Instructions: 1. Press down on the desolder piston to engage.2. Heat the solder joint with a soldering iron to melt the solder.3. Remove the iron, quickly put in the solder remover resistance paste solder, remove the solder and press the button. 4. If it is not clean once, it can be repeated many times.Use skills: 1. Ensure a good sealing of the tin suction piston. Before powering on, plug the hole with the tin suction head with your finger, and press the button on the tin suction head. If the piston is not easy to spring into place, it means the seal is good.2. The size of the aperture tin suction head is different, choose the appropriate size.3. The tin suction cup head is worn and should be replaced with a new one.4. The solder paste is dipped in a little rosin before contacting the solder to improve the fluidity of the solder. 5. The head contact pad is slightly longer. After the solder is melted, draw a circle clockwise with the solder joint needle as the center, and then press the button to remove the tin remover.Packing List: 1 Piece X Desoldering Pump.Number of pieces shipped: 1 piece